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mysql_to_doris.md

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MySQL -> Doris templates

Refer to config details for explanations of common fields.

Struct

[extractor]
extract_type=struct
db_type=mysql
url=mysql://root:123456@127.0.0.1:3307?ssl-mode=disabled

[sinker]
url=mysql://root:@127.0.0.1:9030
sink_type=struct
db_type=doris
conflict_policy=interrupt

[filter]
do_dbs=test_db
ignore_dbs=
do_tbs=
ignore_tbs=
do_events=
do_structures=

[router]
db_map=
tb_map=
col_map=

[runtime]
log_level=info
log4rs_file=./log4rs.yaml
log_dir=./logs

[parallelizer]
parallel_type=serial

[pipeline]
checkpoint_interval_secs=10
buffer_size=100

Snapshot

[extractor]
db_type=mysql
extract_type=snapshot
url=mysql://root:123456@127.0.0.1:3307?ssl-mode=disabled
batch_size=10000

[sinker]
db_type=doris
sink_type=write
url=mysql://root:123456@127.0.0.1:9030
stream_load_url=mysql://root:123456@127.0.0.1:8040
batch_size=5000

[filter]
do_dbs=
ignore_dbs=
do_tbs=test_db.*
ignore_tbs=
do_events=insert

[router]
db_map=
tb_map=
col_map=

[parallelizer]
parallel_type=snapshot
parallel_size=8

[pipeline]
buffer_size=100000
buffer_memory_mb=200
checkpoint_interval_secs=10
batch_sink_interval_secs=0

[runtime]
log_level=info
log4rs_file=./log4rs.yaml
log_dir=./logs
  • [sinker]
Config Description Example Default
url the url of Doris FE, used for metadata query - -
stream_load_url the url for Stream Load - -
batch_size the max record count in one Stream Load - -

CDC

[extractor]
db_type=mysql
extract_type=cdc
binlog_position=5299302
binlog_filename=mysql-bin.000035
server_id=2000
url=mysql://root:123456@127.0.0.1:3307?ssl-mode=disabled

[filter]
ignore_dbs=
do_dbs=
do_tbs=test_db.*
ignore_tbs=
do_events=insert,update,delete

[sinker]
db_type=doris
sink_type=write
url=mysql://root:123456@127.0.0.1:9030
stream_load_url=mysql://root:123456@127.0.0.1:8040
batch_size=5000

[router]
tb_map=
col_map=
db_map=

[parallelizer]
parallel_type=table
parallel_size=8

[pipeline]
buffer_size=100000
buffer_memory_mb=200
checkpoint_interval_secs=10
batch_sink_interval_secs=15

[runtime]
log_dir=./logs
log_level=info
log4rs_file=./log4rs.yaml
  • [pipeline]
Config Description Example Default
batch_sink_interval_secs when importing data into Doris by Stream Load, avoid frequent small-batch imports, as this may cause throttle errors in Doris. If the batch_sink_interval_secs is set, Stream Load will be triggered when either of the following conditions is met: 1) the pipeline's buffer is full, or 2) it has been more than batch_sink_interval_secs seconds since the last Stream Load. 15 0