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[YSQL] PgLibPqTest_SerializableColoring may fail during table cleanup before a new iteration #887

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mbautin opened this issue Feb 22, 2019 · 0 comments
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[YSQL] PgLibPqTest_SerializableColoring may fail during table cleanup before a new iteration #887

mbautin opened this issue Feb 22, 2019 · 0 comments
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mbautin commented Feb 22, 2019

Repro: yb_build.sh --cxx-test pgwrapper_pg_libpq-test --gtest_filter PgLibPqTest.SerializableColoring --clang

Error when deleting all rows from the table:

Bad status: Network error (yb/yql/pgwrapper/libpq_utils.cc:34): Execute 'DELETE FROM t' failed: 7, message: ERROR: Operation failed. Try again.: Failed Write(tablet: TABLET2, num_ops: 1, num_attempts: 1, txn: 1de9fc74-6716-4d95-92ad-9a513fb788f0) to tablet TABLET2 on tablet server { uuid: PEER_TS-2 private: [host: "127.0.0.1" port: 23522] cloud_info: placement_cloud: "cloud1" placement_region: "datacenter1" placement_zone: "rack1" after 1 attempt(s): Conflicts with higher priority transaction: 79d9f98e-7a05-4488-a3f8-9033a7e3c5b8
@rao-vasireddy rao-vasireddy added the kind/bug This issue is a bug label Feb 28, 2019
yugabyte-ci pushed a commit that referenced this issue Mar 9, 2019
@spolitov
ENG-4749: #887: Handle failure of delete at start of iteration in PgL…
c7cfb84 
…ibPqTest.SerializableColoring test

Summary:
Sometimes transaction from previous operation did not fully applied.
And it conflicts with table cleanup, i.e. delete all records from table.

Added handling of this case.

Test Plan: ybd release --cxx-test pgwrapper_pg_libpq-test --gtest_filter PgLibPqTest.SerializableColoring -n 200

Reviewers: mikhail, robert, timur

Reviewed By: timur

Subscribers: ybase

Differential Revision: https://phabricator.dev.yugabyte.com/D6301
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@mbautin @spolitov @rao-vasireddy