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db_crashtest.py
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db_crashtest.py
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#!/usr/bin/env python3
# Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
import argparse
import math
import os
import random
import shutil
import subprocess
import sys
import tempfile
import time
# params overwrite priority:
# for default:
# default_params < {blackbox,whitebox}_default_params < args
# for simple:
# default_params < {blackbox,whitebox}_default_params <
# simple_default_params <
# {blackbox,whitebox}_simple_default_params < args
# for cf_consistency:
# default_params < {blackbox,whitebox}_default_params <
# cf_consistency_params < args
# for txn:
# default_params < {blackbox,whitebox}_default_params < txn_params < args
# for ts:
# default_params < {blackbox,whitebox}_default_params < ts_params < args
# for multiops_txn:
# default_params < {blackbox,whitebox}_default_params < multiops_txn_params < args
default_params = {
"acquire_snapshot_one_in": lambda: random.choice([100, 10000]),
"backup_max_size": 100 * 1024 * 1024,
# Consider larger number when backups considered more stable
"backup_one_in": lambda: random.choice([1000, 100000]),
"batch_protection_bytes_per_key": lambda: random.choice([0, 8]),
"memtable_protection_bytes_per_key": lambda: random.choice([0, 1, 2, 4, 8]),
"block_protection_bytes_per_key": lambda: random.choice([0, 1, 2, 4, 8]),
"block_size": 16384,
"bloom_bits": lambda: random.choice(
[random.randint(0, 19), random.lognormvariate(2.3, 1.3)]
),
"cache_index_and_filter_blocks": lambda: random.randint(0, 1),
"cache_size": lambda: random.choice([8388608, 33554432]),
"charge_compression_dictionary_building_buffer": lambda: random.choice([0, 1]),
"charge_filter_construction": lambda: random.choice([0, 1]),
"charge_table_reader": lambda: random.choice([0, 1]),
"charge_file_metadata": lambda: random.choice([0, 1]),
"checkpoint_one_in": lambda: random.choice([0, 0, 10000, 1000000]),
"compression_type": lambda: random.choice(
["none", "snappy", "zlib", "lz4", "lz4hc", "xpress", "zstd"]
),
"bottommost_compression_type": lambda: (
"disable"
if random.randint(0, 1) == 0
else random.choice(["none", "snappy", "zlib", "lz4", "lz4hc", "xpress", "zstd"])
),
"checksum_type": lambda: random.choice(
["kCRC32c", "kxxHash", "kxxHash64", "kXXH3"]
),
"compression_max_dict_bytes": lambda: 16384 * random.randint(0, 1),
"compression_zstd_max_train_bytes": lambda: 65536 * random.randint(0, 1),
"compression_parallel_threads": lambda: random.choice([1] * 3 + [4, 8, 16]),
"compression_max_dict_buffer_bytes": lambda: (1 << random.randint(0, 40)) - 1,
"compression_use_zstd_dict_trainer": lambda: random.randint(0, 1),
"compression_checksum": lambda: random.randint(0, 1),
"clear_column_family_one_in": 0,
"compact_files_one_in": lambda: random.choice([1000, 1000000]),
"compact_range_one_in": lambda: random.choice([1000, 1000000]),
# Disabled because of various likely related failures with
# "Cannot delete table file #N from level 0 since it is on level X"
"promote_l0_one_in": 0,
"compaction_pri": random.randint(0, 4),
"key_may_exist_one_in": lambda: random.choice([100, 100000]),
"data_block_index_type": lambda: random.choice([0, 1]),
"decouple_partitioned_filters": lambda: random.choice([0, 1, 1]),
"delpercent": 4,
"delrangepercent": 1,
"destroy_db_initially": 0,
"enable_pipelined_write": lambda: random.randint(0, 1),
"enable_compaction_filter": lambda: random.choice([0, 0, 0, 1]),
# `inplace_update_support` is incompatible with DB that has delete
# range data in memtables.
# Such data can result from any of the previous db stress runs
# using delete range.
# Since there is no easy way to keep track of whether delete range
# is used in any of the previous runs,
# to simpify our testing, we set `inplace_update_support` across
# runs and to disable delete range accordingly
# (see below `finalize_and_sanitize`).
"inplace_update_support": random.choice([0] * 9 + [1]),
"expected_values_dir": lambda: setup_expected_values_dir(),
"fail_if_options_file_error": lambda: random.randint(0, 1),
"flush_one_in": lambda: random.choice([1000, 1000000]),
"manual_wal_flush_one_in": lambda: random.choice([0, 1000]),
"file_checksum_impl": lambda: random.choice(["none", "crc32c", "xxh64", "big"]),
"get_live_files_apis_one_in": lambda: random.choice([10000, 1000000]),
"get_all_column_family_metadata_one_in": lambda: random.choice([10000, 1000000]),
# Note: the following two are intentionally disabled as the corresponding
# APIs are not guaranteed to succeed.
"get_sorted_wal_files_one_in": 0,
"get_current_wal_file_one_in": 0,
# Temporarily disable hash index
"index_type": lambda: random.choice([0, 0, 0, 2, 2, 3]),
"ingest_external_file_one_in": lambda: random.choice([1000, 1000000]),
"test_ingest_standalone_range_deletion_one_in": lambda: random.choice([0, 5, 10]),
"iterpercent": 10,
"lock_wal_one_in": lambda: random.choice([10000, 1000000]),
"mark_for_compaction_one_file_in": lambda: 10 * random.randint(0, 1),
"max_background_compactions": 20,
"max_bytes_for_level_base": 10485760,
# max_key has to be the same across invocations for verification to work, hence no lambda
"max_key": random.choice([100000, 25000000]),
"max_sequential_skip_in_iterations": lambda: random.choice([1, 2, 8, 16]),
"max_write_buffer_number": 3,
"mmap_read": lambda: random.randint(0, 1),
# Setting `nooverwritepercent > 0` is only possible because we do not vary
# the random seed, so the same keys are chosen by every run for disallowing
# overwrites.
"nooverwritepercent": 1,
"open_files": lambda: random.choice([-1, -1, 100, 500000]),
"optimize_filters_for_memory": lambda: random.randint(0, 1),
"partition_filters": lambda: random.randint(0, 1),
"partition_pinning": lambda: random.randint(0, 3),
"reset_stats_one_in": lambda: random.choice([10000, 1000000]),
"pause_background_one_in": lambda: random.choice([10000, 1000000]),
"disable_file_deletions_one_in": lambda: random.choice([10000, 1000000]),
"disable_manual_compaction_one_in": lambda: random.choice([10000, 1000000]),
"prefix_size": lambda: random.choice([-1, 1, 5, 7, 8]),
"prefixpercent": 5,
"progress_reports": 0,
"readpercent": 45,
# See disabled DBWALTest.RecycleMultipleWalsCrash
"recycle_log_file_num": 0,
"snapshot_hold_ops": 100000,
"sqfc_name": lambda: random.choice(["foo", "bar"]),
# 0 = disable writing SstQueryFilters
"sqfc_version": lambda: random.choice([0, 1, 1, 2, 2]),
"sst_file_manager_bytes_per_sec": lambda: random.choice([0, 104857600]),
"sst_file_manager_bytes_per_truncate": lambda: random.choice([0, 1048576]),
"long_running_snapshots": lambda: random.randint(0, 1),
"subcompactions": lambda: random.randint(1, 4),
"target_file_size_base": lambda: random.choice([512 * 1024, 2048 * 1024]),
"target_file_size_multiplier": 2,
"test_batches_snapshots": random.randint(0, 1),
"top_level_index_pinning": lambda: random.randint(0, 3),
"unpartitioned_pinning": lambda: random.randint(0, 3),
"use_direct_reads": lambda: random.randint(0, 1),
"use_direct_io_for_flush_and_compaction": lambda: random.randint(0, 1),
"use_sqfc_for_range_queries": lambda: random.choice([0, 1, 1, 1]),
"mock_direct_io": False,
"cache_type": lambda: random.choice(
[
"lru_cache",
"fixed_hyper_clock_cache",
"auto_hyper_clock_cache",
"auto_hyper_clock_cache",
"tiered_lru_cache",
"tiered_fixed_hyper_clock_cache",
"tiered_auto_hyper_clock_cache",
"tiered_auto_hyper_clock_cache",
]
),
"uncache_aggressiveness": lambda: int(math.pow(10, 4.0 * random.random()) - 1.0),
"use_full_merge_v1": lambda: random.randint(0, 1),
"use_merge": lambda: random.randint(0, 1),
# use_put_entity_one_in has to be the same across invocations for verification to work, hence no lambda
"use_put_entity_one_in": random.choice([0] * 7 + [1, 5, 10]),
"use_attribute_group": lambda: random.randint(0, 1),
"use_multi_cf_iterator": lambda: random.randint(0, 1),
# 999 -> use Bloom API
"bloom_before_level": lambda: random.choice(
[random.randint(-1, 2), random.randint(-1, 10), 0x7FFFFFFF - 1, 0x7FFFFFFF]
),
"value_size_mult": 32,
"verification_only": 0,
"verify_checksum": 1,
"write_buffer_size": lambda: random.choice([1024 * 1024, 4 * 1024 * 1024]),
"writepercent": 35,
"format_version": lambda: random.choice([2, 3, 4, 5, 6, 6]),
"index_block_restart_interval": lambda: random.choice(range(1, 16)),
"use_multiget": lambda: random.randint(0, 1),
"use_get_entity": lambda: random.choice([0] * 7 + [1]),
"use_multi_get_entity": lambda: random.choice([0] * 7 + [1]),
"periodic_compaction_seconds": lambda: random.choice([0, 0, 1, 2, 10, 100, 1000]),
"daily_offpeak_time_utc": lambda: random.choice(
["", "", "00:00-23:59", "04:00-08:00", "23:30-03:15"]
),
# 0 = never (used by some), 10 = often (for threading bugs), 600 = default
"stats_dump_period_sec": lambda: random.choice([0, 10, 600]),
"compaction_ttl": lambda: random.choice([0, 0, 1, 2, 10, 100, 1000]),
"fifo_allow_compaction": lambda: random.randint(0, 1),
# Test small max_manifest_file_size in a smaller chance, as most of the
# time we wnat manifest history to be preserved to help debug
"max_manifest_file_size": lambda: random.choice(
[t * 16384 if t < 3 else 1024 * 1024 * 1024 for t in range(1, 30)]
),
# Sync mode might make test runs slower so running it in a smaller chance
"sync": lambda: random.choice([1 if t == 0 else 0 for t in range(0, 20)]),
"bytes_per_sync": lambda: random.choice([0, 262144]),
# TODO(hx235): Enable `wal_bytes_per_sync` after fixing the DB recovery such
# that it won't recover past the WAL data hole created by this option
"wal_bytes_per_sync": 0,
"compaction_readahead_size": lambda: random.choice([0, 0, 1024 * 1024]),
"db_write_buffer_size": lambda: random.choice(
[0, 0, 0, 1024 * 1024, 8 * 1024 * 1024, 128 * 1024 * 1024]
),
"use_write_buffer_manager": lambda: random.randint(0, 1),
"avoid_unnecessary_blocking_io": random.randint(0, 1),
"write_dbid_to_manifest": random.randint(0, 1),
"write_identity_file": random.randint(0, 1),
"avoid_flush_during_recovery": lambda: random.choice(
[1 if t == 0 else 0 for t in range(0, 8)]
),
"max_write_batch_group_size_bytes": lambda: random.choice(
[16, 64, 1024 * 1024, 16 * 1024 * 1024]
),
"level_compaction_dynamic_level_bytes": lambda: random.randint(0, 1),
"verify_checksum_one_in": lambda: random.choice([1000, 1000000]),
"verify_file_checksums_one_in": lambda: random.choice([1000, 1000000]),
"verify_db_one_in": lambda: random.choice([10000, 100000]),
"continuous_verification_interval": 0,
"max_key_len": 3,
"key_len_percent_dist": "1,30,69",
"error_recovery_with_no_fault_injection": lambda: random.randint(0, 1),
"metadata_read_fault_one_in": lambda: random.choice([0, 32, 1000]),
"metadata_write_fault_one_in": lambda: random.choice([0, 128, 1000]),
"read_fault_one_in": lambda: random.choice([0, 32, 1000]),
"write_fault_one_in": lambda: random.choice([0, 128, 1000]),
"exclude_wal_from_write_fault_injection": 0,
"open_metadata_write_fault_one_in": lambda: random.choice([0, 0, 8]),
"open_metadata_read_fault_one_in": lambda: random.choice([0, 0, 8]),
"open_write_fault_one_in": lambda: random.choice([0, 0, 16]),
"open_read_fault_one_in": lambda: random.choice([0, 0, 32]),
"sync_fault_injection": lambda: random.randint(0, 1),
"get_property_one_in": lambda: random.choice([100000, 1000000]),
"get_properties_of_all_tables_one_in": lambda: random.choice([100000, 1000000]),
"paranoid_file_checks": lambda: random.choice([0, 1, 1, 1]),
"max_write_buffer_size_to_maintain": lambda: random.choice(
[0, 1024 * 1024, 2 * 1024 * 1024, 4 * 1024 * 1024, 8 * 1024 * 1024]
),
"user_timestamp_size": 0,
"secondary_cache_fault_one_in": lambda: random.choice([0, 0, 32]),
"compressed_secondary_cache_size": lambda: random.choice([8388608, 16777216]),
"prepopulate_block_cache": lambda: random.choice([0, 1]),
"memtable_prefix_bloom_size_ratio": lambda: random.choice([0.001, 0.01, 0.1, 0.5]),
"memtable_whole_key_filtering": lambda: random.randint(0, 1),
"detect_filter_construct_corruption": lambda: random.choice([0, 1]),
"adaptive_readahead": lambda: random.choice([0, 1]),
"async_io": lambda: random.choice([0, 1]),
"wal_compression": lambda: random.choice(["none", "zstd"]),
"verify_sst_unique_id_in_manifest": 1, # always do unique_id verification
"secondary_cache_uri": lambda: random.choice(
[
"",
"",
"",
"compressed_secondary_cache://capacity=8388608;enable_custom_split_merge=true",
]
),
"allow_data_in_errors": True,
"enable_thread_tracking": lambda: random.choice([0, 1]),
"readahead_size": lambda: random.choice([0, 16384, 524288]),
"initial_auto_readahead_size": lambda: random.choice([0, 16384, 524288]),
"max_auto_readahead_size": lambda: random.choice([0, 16384, 524288]),
"num_file_reads_for_auto_readahead": lambda: random.choice([0, 1, 2]),
"min_write_buffer_number_to_merge": lambda: random.choice([1, 2]),
"preserve_internal_time_seconds": lambda: random.choice([0, 60, 3600, 36000]),
"memtable_max_range_deletions": lambda: random.choice([0] * 6 + [100, 1000]),
# 0 (disable) is the default and more commonly used value.
"bottommost_file_compaction_delay": lambda: random.choice(
[0, 0, 0, 600, 3600, 86400]
),
"auto_readahead_size": lambda: random.choice([0, 1]),
"verify_iterator_with_expected_state_one_in": 5,
"allow_fallocate": lambda: random.choice([0, 1]),
"table_cache_numshardbits": lambda: random.choice([6] * 3 + [-1] * 2 + [0]),
"enable_write_thread_adaptive_yield": lambda: random.choice([0, 1]),
"log_readahead_size": lambda: random.choice([0, 16 * 1024 * 1024]),
"bgerror_resume_retry_interval": lambda: random.choice([100, 1000000]),
"delete_obsolete_files_period_micros": lambda: random.choice(
[6 * 60 * 60 * 1000000, 30 * 1000000]
),
"max_log_file_size": lambda: random.choice([0, 1024 * 1024]),
"log_file_time_to_roll": lambda: random.choice([0, 60]),
"use_adaptive_mutex": lambda: random.choice([0, 1]),
"advise_random_on_open": lambda: random.choice([0] + [1] * 3),
"WAL_ttl_seconds": lambda: random.choice([0, 60]),
"WAL_size_limit_MB": lambda: random.choice([0, 1]),
"strict_bytes_per_sync": lambda: random.choice([0, 1]),
"avoid_flush_during_shutdown": lambda: random.choice([0, 1]),
"fill_cache": lambda: random.choice([0, 1]),
"optimize_multiget_for_io": lambda: random.choice([0, 1]),
"memtable_insert_hint_per_batch": lambda: random.choice([0, 1]),
"dump_malloc_stats": lambda: random.choice([0, 1]),
"stats_history_buffer_size": lambda: random.choice([0, 1024 * 1024]),
"skip_stats_update_on_db_open": lambda: random.choice([0, 1]),
"optimize_filters_for_hits": lambda: random.choice([0, 1]),
"sample_for_compression": lambda: random.choice([0, 5]),
"report_bg_io_stats": lambda: random.choice([0, 1]),
"cache_index_and_filter_blocks_with_high_priority": lambda: random.choice([0, 1]),
"use_delta_encoding": lambda: random.choice([0, 1]),
"verify_compression": lambda: random.choice([0, 1]),
"read_amp_bytes_per_bit": lambda: random.choice([0, 32]),
"enable_index_compression": lambda: random.choice([0, 1]),
"index_shortening": lambda: random.choice([0, 1, 2]),
"metadata_charge_policy": lambda: random.choice([0, 1]),
"use_adaptive_mutex_lru": lambda: random.choice([0, 1]),
"compress_format_version": lambda: random.choice([1, 2]),
"manifest_preallocation_size": lambda: random.choice([0, 5 * 1024]),
"enable_checksum_handoff": lambda: random.choice([0, 1]),
"max_total_wal_size": lambda: random.choice([0] * 4 + [64 * 1024 * 1024]),
"high_pri_pool_ratio": lambda: random.choice([0, 0.5]),
"low_pri_pool_ratio": lambda: random.choice([0, 0.5]),
"soft_pending_compaction_bytes_limit": lambda: random.choice(
[1024 * 1024] + [64 * 1073741824] * 4
),
"hard_pending_compaction_bytes_limit": lambda: random.choice(
[2 * 1024 * 1024] + [256 * 1073741824] * 4
),
"enable_sst_partitioner_factory": lambda: random.choice([0, 1]),
"enable_do_not_compress_roles": lambda: random.choice([0, 1]),
"block_align": lambda: random.choice([0, 1]),
"lowest_used_cache_tier": lambda: random.choice([0, 1, 2]),
"enable_custom_split_merge": lambda: random.choice([0, 1]),
"adm_policy": lambda: random.choice([0, 1, 2, 3]),
"last_level_temperature": lambda: random.choice(
["kUnknown", "kHot", "kWarm", "kCold"]
),
"default_write_temperature": lambda: random.choice(
["kUnknown", "kHot", "kWarm", "kCold"]
),
"default_temperature": lambda: random.choice(
["kUnknown", "kHot", "kWarm", "kCold"]
),
# TODO(hx235): enable `enable_memtable_insert_with_hint_prefix_extractor`
# after fixing the surfaced issue with delete range
"enable_memtable_insert_with_hint_prefix_extractor": 0,
"check_multiget_consistency": lambda: random.choice([0, 0, 0, 1]),
"check_multiget_entity_consistency": lambda: random.choice([0, 0, 0, 1]),
"use_timed_put_one_in": lambda: random.choice([0] * 7 + [1, 5, 10]),
"universal_max_read_amp": lambda: random.choice([-1] * 3 + [0, 4, 10]),
"paranoid_memory_checks": lambda: random.choice([0] * 7 + [1]),
"allow_unprepared_value": lambda: random.choice([0, 1]),
}
_TEST_DIR_ENV_VAR = "TEST_TMPDIR"
# If TEST_TMPDIR_EXPECTED is not specified, default value will be TEST_TMPDIR
_TEST_EXPECTED_DIR_ENV_VAR = "TEST_TMPDIR_EXPECTED"
_DEBUG_LEVEL_ENV_VAR = "DEBUG_LEVEL"
stress_cmd = "./db_stress"
cleanup_cmd = None
def is_release_mode():
return os.environ.get(_DEBUG_LEVEL_ENV_VAR) == "0"
def get_dbname(test_name):
test_dir_name = "rocksdb_crashtest_" + test_name
test_tmpdir = os.environ.get(_TEST_DIR_ENV_VAR)
if test_tmpdir is None or test_tmpdir == "":
dbname = tempfile.mkdtemp(prefix=test_dir_name)
else:
dbname = test_tmpdir + "/" + test_dir_name
shutil.rmtree(dbname, True)
if cleanup_cmd is not None:
print("Running DB cleanup command - %s\n" % cleanup_cmd)
# Ignore failure
os.system(cleanup_cmd)
try:
os.mkdir(dbname)
except OSError:
pass
return dbname
expected_values_dir = None
def setup_expected_values_dir():
global expected_values_dir
if expected_values_dir is not None:
return expected_values_dir
expected_dir_prefix = "rocksdb_crashtest_expected_"
test_exp_tmpdir = os.environ.get(_TEST_EXPECTED_DIR_ENV_VAR)
# set the value to _TEST_DIR_ENV_VAR if _TEST_EXPECTED_DIR_ENV_VAR is not
# specified.
if test_exp_tmpdir is None or test_exp_tmpdir == "":
test_exp_tmpdir = os.environ.get(_TEST_DIR_ENV_VAR)
if test_exp_tmpdir is None or test_exp_tmpdir == "":
expected_values_dir = tempfile.mkdtemp(prefix=expected_dir_prefix)
else:
# if tmpdir is specified, store the expected_values_dir under that dir
expected_values_dir = test_exp_tmpdir + "/rocksdb_crashtest_expected"
if os.path.exists(expected_values_dir):
shutil.rmtree(expected_values_dir)
os.mkdir(expected_values_dir)
return expected_values_dir
multiops_txn_key_spaces_file = None
def setup_multiops_txn_key_spaces_file():
global multiops_txn_key_spaces_file
if multiops_txn_key_spaces_file is not None:
return multiops_txn_key_spaces_file
key_spaces_file_prefix = "rocksdb_crashtest_multiops_txn_key_spaces"
test_exp_tmpdir = os.environ.get(_TEST_EXPECTED_DIR_ENV_VAR)
# set the value to _TEST_DIR_ENV_VAR if _TEST_EXPECTED_DIR_ENV_VAR is not
# specified.
if test_exp_tmpdir is None or test_exp_tmpdir == "":
test_exp_tmpdir = os.environ.get(_TEST_DIR_ENV_VAR)
if test_exp_tmpdir is None or test_exp_tmpdir == "":
multiops_txn_key_spaces_file = tempfile.mkstemp(prefix=key_spaces_file_prefix)[
1
]
else:
if not os.path.exists(test_exp_tmpdir):
os.mkdir(test_exp_tmpdir)
multiops_txn_key_spaces_file = tempfile.mkstemp(
prefix=key_spaces_file_prefix, dir=test_exp_tmpdir
)[1]
return multiops_txn_key_spaces_file
def is_direct_io_supported(dbname):
with tempfile.NamedTemporaryFile(dir=dbname) as f:
try:
os.open(f.name, os.O_DIRECT)
except BaseException:
return False
return True
blackbox_default_params = {
"disable_wal": lambda: random.choice([0, 0, 0, 1]),
# total time for this script to test db_stress
"duration": 6000,
# time for one db_stress instance to run
"interval": 120,
# time for the final verification step
"verify_timeout": 1200,
# since we will be killing anyway, use large value for ops_per_thread
"ops_per_thread": 100000000,
"reopen": 0,
"set_options_one_in": 2000,
}
whitebox_default_params = {
# TODO: enable this at random once we figure out two things. First, we need
# to ensure the kill odds in WAL-disabled runs result in regular crashing
# before the fifteen minute timeout. When WAL is disabled there are very few
# calls to write functions since writes to SST files are buffered and other
# writes (e.g., MANIFEST) are infrequent. Crashing in reasonable time might
# currently assume killpoints in write functions are reached frequently.
#
# Second, we need to make sure disabling WAL works with `-reopen > 0`.
"disable_wal": 0,
"duration": 10000,
"log2_keys_per_lock": 10,
"ops_per_thread": 200000,
"random_kill_odd": 888887,
"reopen": 20,
}
simple_default_params = {
"allow_concurrent_memtable_write": lambda: random.randint(0, 1),
"column_families": 1,
# TODO: re-enable once internal task T124324915 is fixed.
# "experimental_mempurge_threshold": lambda: 10.0*random.random(),
"max_background_compactions": 1,
"max_bytes_for_level_base": 67108864,
"memtablerep": "skip_list",
"target_file_size_base": 16777216,
"target_file_size_multiplier": 1,
"test_batches_snapshots": 0,
"write_buffer_size": 32 * 1024 * 1024,
"level_compaction_dynamic_level_bytes": lambda: random.randint(0, 1),
"paranoid_file_checks": lambda: random.choice([0, 1, 1, 1]),
}
blackbox_simple_default_params = {
"open_files": -1,
"set_options_one_in": 0,
}
whitebox_simple_default_params = {}
cf_consistency_params = {
"disable_wal": lambda: random.randint(0, 1),
"reopen": 0,
"test_cf_consistency": 1,
# use small value for write_buffer_size so that RocksDB triggers flush
# more frequently
"write_buffer_size": 1024 * 1024,
"enable_pipelined_write": lambda: random.randint(0, 1),
# Snapshots are used heavily in this test mode, while they are incompatible
# with compaction filter, inplace_update_support
"enable_compaction_filter": 0,
"inplace_update_support": 0,
# `CfConsistencyStressTest::TestIngestExternalFile()` is not implemented.
"ingest_external_file_one_in": 0,
# `CfConsistencyStressTest::TestIterateAgainstExpected()` is not implemented.
"verify_iterator_with_expected_state_one_in": 0,
}
# For pessimistic transaction db
txn_params = {
"use_txn": 1,
"use_optimistic_txn": 0,
# Avoid lambda to set it once for the entire test
"txn_write_policy": random.randint(0, 2),
"unordered_write": random.randint(0, 1),
# TODO: there is such a thing as transactions with WAL disabled. We should
# cover that case.
"disable_wal": 0,
# OpenReadOnly after checkpoint is not currnetly compatible with WritePrepared txns
"checkpoint_one_in": 0,
# pipeline write is not currnetly compatible with WritePrepared txns
"enable_pipelined_write": 0,
"create_timestamped_snapshot_one_in": random.choice([0, 20]),
# Should not be used with TransactionDB which uses snapshot.
"inplace_update_support": 0,
# TimedPut is not supported in transaction
"use_timed_put_one_in": 0,
}
# For optimistic transaction db
optimistic_txn_params = {
"use_txn": 1,
"use_optimistic_txn": 1,
"occ_validation_policy": random.randint(0, 1),
"share_occ_lock_buckets": random.randint(0, 1),
"occ_lock_bucket_count": lambda: random.choice([10, 100, 500]),
# Should not be used with OptimisticTransactionDB which uses snapshot.
"inplace_update_support": 0,
# TimedPut is not supported in transaction
"use_timed_put_one_in": 0,
}
best_efforts_recovery_params = {
"best_efforts_recovery": 1,
"disable_wal": 1,
"column_families": 1,
"skip_verifydb": 1,
"verify_db_one_in": 0,
}
blob_params = {
"allow_setting_blob_options_dynamically": 1,
# Enable blob files and GC with a 75% chance initially; note that they might still be
# enabled/disabled during the test via SetOptions
"enable_blob_files": lambda: random.choice([0] + [1] * 3),
"min_blob_size": lambda: random.choice([0, 8, 16]),
"blob_file_size": lambda: random.choice([1048576, 16777216, 268435456, 1073741824]),
"blob_compression_type": lambda: random.choice(["none", "snappy", "lz4", "zstd"]),
"enable_blob_garbage_collection": lambda: random.choice([0] + [1] * 3),
"blob_garbage_collection_age_cutoff": lambda: random.choice(
[0.0, 0.25, 0.5, 0.75, 1.0]
),
"blob_garbage_collection_force_threshold": lambda: random.choice([0.5, 0.75, 1.0]),
"blob_compaction_readahead_size": lambda: random.choice([0, 1048576, 4194304]),
"blob_file_starting_level": lambda: random.choice(
[0] * 4 + [1] * 3 + [2] * 2 + [3]
),
"use_blob_cache": lambda: random.randint(0, 1),
"use_shared_block_and_blob_cache": lambda: random.randint(0, 1),
"blob_cache_size": lambda: random.choice([1048576, 2097152, 4194304, 8388608]),
"prepopulate_blob_cache": lambda: random.randint(0, 1),
}
ts_params = {
"test_cf_consistency": 0,
"test_batches_snapshots": 0,
"user_timestamp_size": 8,
# Below flag is randomly picked once and kept consistent in following runs.
"persist_user_defined_timestamps": random.choice([0, 1, 1]),
"use_merge": 0,
"use_full_merge_v1": 0,
"use_txn": 0,
"ingest_external_file_one_in": 0,
# PutEntity with timestamps is not yet implemented
"use_put_entity_one_in": 0,
# TimedPut is not compatible with user-defined timestamps yet.
"use_timed_put_one_in": 0,
}
tiered_params = {
# Set tiered compaction hot data time as: 1 minute, 1 hour, 10 hour
"preclude_last_level_data_seconds": lambda: random.choice([60, 3600, 36000]),
# only test universal compaction for now, level has known issue of
# endless compaction
"compaction_style": 1,
# tiered storage doesn't support blob db yet
"enable_blob_files": 0,
"use_blob_db": 0,
"default_write_temperature": lambda: random.choice(["kUnknown", "kHot", "kWarm"]),
"last_level_temperature": "kCold",
}
multiops_txn_default_params = {
"test_cf_consistency": 0,
"test_batches_snapshots": 0,
"test_multi_ops_txns": 1,
"use_txn": 1,
"two_write_queues": lambda: random.choice([0, 1]),
# TODO: enable write-prepared
"disable_wal": 0,
"use_only_the_last_commit_time_batch_for_recovery": lambda: random.choice([0, 1]),
"clear_column_family_one_in": 0,
"column_families": 1,
"enable_pipelined_write": lambda: random.choice([0, 1]),
# This test already acquires snapshots in reads
"acquire_snapshot_one_in": 0,
"backup_one_in": 0,
"writepercent": 0,
"delpercent": 0,
"delrangepercent": 0,
"customopspercent": 80,
"readpercent": 5,
"iterpercent": 15,
"prefixpercent": 0,
"verify_db_one_in": 1000,
"continuous_verification_interval": 1000,
"delay_snapshot_read_one_in": 3,
# 65536 is the smallest possible value for write_buffer_size. Smaller
# values will be sanitized to 65536 during db open. SetOptions currently
# does not sanitize options, but very small write_buffer_size may cause
# assertion failure in
# https://github.com/facebook/rocksdb/blob/7.0.fb/db/memtable.cc#L117.
"write_buffer_size": 65536,
# flush more frequently to generate more files, thus trigger more
# compactions.
"flush_one_in": 1000,
"key_spaces_path": setup_multiops_txn_key_spaces_file(),
"rollback_one_in": 4,
# Re-enable once we have a compaction for MultiOpsTxnStressTest
"enable_compaction_filter": 0,
"create_timestamped_snapshot_one_in": 50,
"sync_fault_injection": 0,
"metadata_write_fault_one_in": 0,
"manual_wal_flush_one_in": 0,
# This test has aggressive flush frequency and small write buffer size.
# Disabling write fault to avoid writes being stopped.
"write_fault_one_in": 0,
"metadata_write_fault_one_in": 0,
# PutEntity in transactions is not yet implemented
"use_put_entity_one_in": 0,
"use_get_entity": 0,
"use_multi_get_entity": 0,
# `MultiOpsTxnsStressTest::TestIterateAgainstExpected()` is not implemented.
"verify_iterator_with_expected_state_one_in": 0,
# This test uses snapshot heavily which is incompatible with this option.
"inplace_update_support": 0,
# TimedPut not supported in transaction
"use_timed_put_one_in": 0,
# AttributeGroup not yet supported
"use_attribute_group": 0,
}
multiops_wc_txn_params = {
"txn_write_policy": 0,
# TODO re-enable pipelined write. Not well tested atm
"enable_pipelined_write": 0,
}
multiops_wp_txn_params = {
"txn_write_policy": 1,
"wp_snapshot_cache_bits": 1,
# try small wp_commit_cache_bits, e.g. 0 once we explore storing full
# commit sequence numbers in commit cache
"wp_commit_cache_bits": 10,
# pipeline write is not currnetly compatible with WritePrepared txns
"enable_pipelined_write": 0,
# OpenReadOnly after checkpoint is not currnetly compatible with WritePrepared txns
"checkpoint_one_in": 0,
# Required to be 1 in order to use commit-time-batch
"use_only_the_last_commit_time_batch_for_recovery": 1,
"clear_wp_commit_cache_one_in": 10,
"create_timestamped_snapshot_one_in": 0,
# sequence number can be advanced in SwitchMemtable::WriteRecoverableState() for WP.
# disable it for now until we find another way to test LockWAL().
"lock_wal_one_in": 0,
}
def finalize_and_sanitize(src_params):
dest_params = {k: v() if callable(v) else v for (k, v) in src_params.items()}
if is_release_mode():
dest_params["read_fault_one_in"] = 0
if dest_params.get("compression_max_dict_bytes") == 0:
dest_params["compression_zstd_max_train_bytes"] = 0
dest_params["compression_max_dict_buffer_bytes"] = 0
if dest_params.get("compression_type") != "zstd":
dest_params["compression_zstd_max_train_bytes"] = 0
if dest_params["mmap_read"] == 1:
dest_params["use_direct_io_for_flush_and_compaction"] = 0
dest_params["use_direct_reads"] = 0
if (
dest_params["use_direct_io_for_flush_and_compaction"] == 1
or dest_params["use_direct_reads"] == 1
) and not is_direct_io_supported(dest_params["db"]):
if is_release_mode():
print(
"{} does not support direct IO. Disabling use_direct_reads and "
"use_direct_io_for_flush_and_compaction.\n".format(dest_params["db"])
)
dest_params["use_direct_reads"] = 0
dest_params["use_direct_io_for_flush_and_compaction"] = 0
else:
dest_params["mock_direct_io"] = True
if dest_params["test_batches_snapshots"] == 1:
dest_params["enable_compaction_filter"] = 0
dest_params["inplace_update_support"] = 0
# TODO(hx235): enable test_batches_snapshots with fault injection after stabilizing the CI
dest_params["write_fault_one_in"] = 0
dest_params["metadata_write_fault_one_in"] = 0
dest_params["read_fault_one_in"] = 0
dest_params["metadata_read_fault_one_in"] = 0
if dest_params["prefix_size"] < 0:
dest_params["prefix_size"] = 1
# BER disables WAL and tests unsynced data loss which
# does not work with inplace_update_support.
if dest_params.get("best_efforts_recovery") == 1:
dest_params["inplace_update_support"] = 0
# Multi-key operations are not currently compatible with transactions or
# timestamp.
if (
dest_params.get("test_batches_snapshots") == 1
or dest_params.get("use_txn") == 1
or dest_params.get("user_timestamp_size") > 0
):
dest_params["ingest_external_file_one_in"] = 0
if (
dest_params.get("test_batches_snapshots") == 1
or dest_params.get("use_txn") == 1
):
dest_params["delpercent"] += dest_params["delrangepercent"]
dest_params["delrangepercent"] = 0
# Since the value of inplace_update_support needs to be fixed across runs,
# we disable other incompatible options here instead of disabling
# inplace_update_support based on other option values, which may change
# across runs.
if dest_params["inplace_update_support"] == 1:
dest_params["delpercent"] += dest_params["delrangepercent"]
dest_params["delrangepercent"] = 0
dest_params["readpercent"] += dest_params["prefixpercent"]
dest_params["prefixpercent"] = 0
dest_params["allow_concurrent_memtable_write"] = 0
# inplace_update_support does not update sequence number. Our stress test recovery
# logic for unsynced data loss relies on max sequence number stored
# in MANIFEST, so they don't work together.
dest_params["sync_fault_injection"] = 0
dest_params["disable_wal"] = 0
dest_params["manual_wal_flush_one_in"] = 0
if (
dest_params.get("sync_fault_injection") == 1
or dest_params.get("disable_wal") == 1
or dest_params.get("manual_wal_flush_one_in") > 0
):
# File ingestion does not guarantee prefix-recoverability when unsynced
# data can be lost. Ingesting a file syncs data immediately that is
# newer than unsynced memtable data that can be lost on restart.
#
# Even if the above issue is fixed or worked around, our
# trace-and-replay does not trace file ingestion, so in its current form
# it would not recover the expected state to the correct point in time.
dest_params["ingest_external_file_one_in"] = 0
# The `DbStressCompactionFilter` can apply memtable updates to SST
# files, which would be problematic when unsynced data can be lost in
# crash recoveries.
dest_params["enable_compaction_filter"] = 0
# Only under WritePrepared txns, unordered_write would provide the same guarnatees as vanilla rocksdb
# unordered_write is only enabled with --txn, and txn_params disables inplace_update_support, so
# setting allow_concurrent_memtable_write=1 won't conflcit with inplace_update_support.
if dest_params.get("unordered_write", 0) == 1:
dest_params["txn_write_policy"] = 1
dest_params["allow_concurrent_memtable_write"] = 1
if dest_params.get("disable_wal", 0) == 1:
dest_params["atomic_flush"] = 1
dest_params["sync"] = 0
dest_params["write_fault_one_in"] = 0
if dest_params.get("open_files", 1) != -1:
# Compaction TTL and periodic compactions are only compatible
# with open_files = -1
dest_params["compaction_ttl"] = 0
dest_params["periodic_compaction_seconds"] = 0
if dest_params.get("compaction_style", 0) == 2:
# Disable compaction TTL in FIFO compaction, because right
# now assertion failures are triggered.
dest_params["compaction_ttl"] = 0
dest_params["periodic_compaction_seconds"] = 0
if dest_params["partition_filters"] == 1:
if dest_params["index_type"] != 2:
dest_params["partition_filters"] = 0
if dest_params.get("atomic_flush", 0) == 1:
# disable pipelined write when atomic flush is used.
dest_params["enable_pipelined_write"] = 0
if dest_params.get("sst_file_manager_bytes_per_sec", 0) == 0:
dest_params["sst_file_manager_bytes_per_truncate"] = 0
if dest_params.get("prefix_size") == -1:
dest_params["readpercent"] += dest_params.get("prefixpercent", 20)
dest_params["prefixpercent"] = 0
if (
dest_params.get("prefix_size") == -1
and dest_params.get("memtable_whole_key_filtering") == 0
):
dest_params["memtable_prefix_bloom_size_ratio"] = 0
if dest_params.get("two_write_queues") == 1:
dest_params["enable_pipelined_write"] = 0
if dest_params.get("best_efforts_recovery") == 1:
dest_params["disable_wal"] = 1
dest_params["enable_compaction_filter"] = 0
dest_params["sync"] = 0
dest_params["write_fault_one_in"] = 0
dest_params["skip_verifydb"] = 1
dest_params["verify_db_one_in"] = 0
# Remove the following once write-prepared/write-unprepared with/without
# unordered write supports timestamped snapshots
if dest_params.get("create_timestamped_snapshot_one_in", 0) > 0:
dest_params["txn_write_policy"] = 0
dest_params["unordered_write"] = 0
# For TransactionDB, correctness testing with unsync data loss is currently
# compatible with only write committed policy
if dest_params.get("use_txn") == 1 and dest_params.get("txn_write_policy", 0) != 0:
dest_params["sync_fault_injection"] = 0
dest_params["disable_wal"] = 0
dest_params["manual_wal_flush_one_in"] = 0
# Wide-column pessimistic transaction APIs are initially supported for
# WriteCommitted only
dest_params["use_put_entity_one_in"] = 0
# MultiCfIterator is currently only compatible with write committed policy
dest_params["use_multi_cf_iterator"] = 0
# TODO(hx235): enable test_multi_ops_txns with fault injection after stabilizing the CI
if dest_params.get("test_multi_ops_txns") == 1:
dest_params["write_fault_one_in"] = 0
dest_params["metadata_write_fault_one_in"] = 0
dest_params["read_fault_one_in"] = 0
dest_params["metadata_read_fault_one_in"] = 0
# Wide column stress tests require FullMergeV3
if dest_params["use_put_entity_one_in"] != 0:
dest_params["use_full_merge_v1"] = 0
if dest_params["file_checksum_impl"] == "none":
dest_params["verify_file_checksums_one_in"] = 0
if dest_params["write_fault_one_in"] > 0:
# background work may be disabled while DB is resuming after some error
dest_params["max_write_buffer_number"] = max(
dest_params["max_write_buffer_number"], 10
)
if dest_params["secondary_cache_uri"].find("compressed_secondary_cache") >= 0:
dest_params["compressed_secondary_cache_size"] = 0
dest_params["compressed_secondary_cache_ratio"] = 0.0
if dest_params["cache_type"].find("tiered_") >= 0:
if dest_params["compressed_secondary_cache_size"] > 0:
dest_params["compressed_secondary_cache_ratio"] = float(
dest_params["compressed_secondary_cache_size"]
/ (
dest_params["cache_size"]
+ dest_params["compressed_secondary_cache_size"]
)
)
dest_params["compressed_secondary_cache_size"] = 0
else:
dest_params["compressed_secondary_cache_ratio"] = 0.0
dest_params["cache_type"] = dest_params["cache_type"].replace("tiered_", "")
else:
if dest_params["secondary_cache_uri"]:
dest_params["compressed_secondary_cache_size"] = 0
dest_params["compressed_secondary_cache_ratio"] = 0.0
if dest_params["use_write_buffer_manager"]:
if dest_params["cache_size"] <= 0 or dest_params["db_write_buffer_size"] <= 0:
dest_params["use_write_buffer_manager"] = 0
if (
dest_params["user_timestamp_size"] > 0
and dest_params["persist_user_defined_timestamps"] == 0
):
# Features that are not compatible with UDT in memtable only feature.
dest_params["enable_blob_files"] = 0
dest_params["allow_setting_blob_options_dynamically"] = 0
dest_params["atomic_flush"] = 0
dest_params["allow_concurrent_memtable_write"] = 0
dest_params["block_protection_bytes_per_key"] = 0
# TODO(yuzhangyu): make stress test logic handle this and enable testing
# these APIs.
# These operations need to compare side to side one operation with another.
# It's hard to guarantee their consistency because when timestamps can be
# collapsed, only operations using the same SuperVersion can be consistent
# with each other. There is no external APIs to ensure that.
dest_params["use_multiget"] = 0
dest_params["use_multi_get_entity"] = 0
dest_params["readpercent"] += dest_params.get("iterpercent", 10)
dest_params["iterpercent"] = 0
# Only best efforts recovery test support disabling wal and
# disable atomic flush.
if dest_params["test_best_efforts_recovery"] == 0:
dest_params["disable_wal"] = 0
if dest_params.get("allow_concurrent_memtable_write", 1) == 1:
dest_params["memtablerep"] = "skip_list"
if (
dest_params.get("enable_compaction_filter", 0) == 1
or dest_params.get("inplace_update_support", 0) == 1
):
# Compaction filter, inplace update support are incompatible with snapshots. Need to avoid taking
# snapshots, as well as avoid operations that use snapshots for
# verification.
dest_params["acquire_snapshot_one_in"] = 0
dest_params["compact_range_one_in"] = 0
# Redistribute to maintain 100% total
dest_params["readpercent"] += dest_params.get(
"iterpercent", 10
) + dest_params.get("prefixpercent", 20)
dest_params["iterpercent"] = 0
dest_params["prefixpercent"] = 0
dest_params["check_multiget_consistency"] = 0
dest_params["check_multiget_entity_consistency"] = 0
if dest_params.get("disable_wal") == 0:
if dest_params.get("reopen") > 0 or (dest_params.get("manual_wal_flush_one_in") and dest_params.get("column_families") != 1):
# Reopen with WAL currently requires persisting WAL data before closing for reopen.
# Previous injected WAL write errors may not be cleared by the time of closing and ready
# for persisting WAL.
# To simplify, we disable any WAL write error injection.
# TODO(hx235): support WAL write error injection with reopen
# TODO(hx235): support excluding WAL from metadata write fault injection so we don't
# have to disable metadata write fault injection to other file
#
# WAL write failure can drop buffered WAL data. This can cause
# inconsistency when one CF has a successful flush during auto
# recovery. Disable the fault injection in this path for now until
# we have a fix that allows auto recovery.
dest_params["exclude_wal_from_write_fault_injection"] = 1
dest_params["metadata_write_fault_one_in"] = 0
if dest_params.get("disable_wal") == 1:
# disableWAL and recycle_log_file_num options are not mutually
# compatible at the moment
dest_params["recycle_log_file_num"] = 0
# Enabling block_align with compression is not supported
if dest_params.get("block_align") == 1:
dest_params["compression_type"] = "none"
dest_params["bottommost_compression_type"] = "none"
# If periodic_compaction_seconds is not set, daily_offpeak_time_utc doesn't do anything
if dest_params.get("periodic_compaction_seconds") == 0:
dest_params["daily_offpeak_time_utc"] = ""
# `use_put_entity_one_in` cannot be enabled/disabled across runs, modify
# `use_timed_put_one_in` option so that they make sense together.
if dest_params.get("use_put_entity_one_in") == 1:
dest_params["use_timed_put_one_in"] = 0
elif (
dest_params.get("use_put_entity_one_in") > 1
and dest_params.get("use_timed_put_one_in") == 1
):
dest_params["use_timed_put_one_in"] = 3
if (
dest_params.get("write_dbid_to_manifest") == 0
and dest_params.get("write_identity_file") == 0
):
# At least one must be true
dest_params["write_dbid_to_manifest"] = 1
# Checkpoint creation skips flush if the WAL is locked, so enabling lock_wal_one_in
# can cause checkpoint verification to fail. So make the two mutually exclusive.
if dest_params.get("checkpoint_one_in") != 0:
dest_params["lock_wal_one_in"] = 0
if dest_params.get("ingest_external_file_one_in") == 0 or dest_params.get("delrangepercent") == 0:
dest_params["test_ingest_standalone_range_deletion_one_in"] = 0
return dest_params
def gen_cmd_params(args):
params = {}
params.update(default_params)
if args.test_type == "blackbox":
params.update(blackbox_default_params)
if args.test_type == "whitebox":
params.update(whitebox_default_params)
if args.simple:
params.update(simple_default_params)
if args.test_type == "blackbox":
params.update(blackbox_simple_default_params)
if args.test_type == "whitebox":
params.update(whitebox_simple_default_params)
if args.cf_consistency:
params.update(cf_consistency_params)
if args.txn:
params.update(txn_params)
if args.optimistic_txn:
params.update(optimistic_txn_params)
if args.test_best_efforts_recovery:
params.update(best_efforts_recovery_params)
if args.enable_ts:
params.update(ts_params)