Alexey Serbin created KUDU-3643:
-----------------------------------
Summary: TabletServerTest.TestTimeBasedFlushDMS fails from time to
time
Key: KUDU-3643
URL: https://issues.apache.org/jira/browse/KUDU-3643
Project: Kudu
Issue Type: Bug
Components: compaction, test
Reporter: Alexey Serbin
Attachments: tablet_server-test.3.txt.xz
The {{TabletServerTest.TestTimeBasedFlushDMS}} scenario from
{{tablet_server-test}} fails from time to time with the following error:
{noformat}
I20250220 05:58:09.447023 20505 maintenance_manager.cc:419] P
71ed98bf4be243e8ad8143261a9da285: Scheduling
FlushDeltaMemStoresOp(ffffffffffffffffffffffffffffffff): perf score=0.001397
I20250220 05:58:09.448827 20444 maintenance_manager.cc:643] P
71ed98bf4be243e8ad8143261a9da285:
FlushDeltaMemStoresOp(ffffffffffffffffffffffffffffffff) complete. Timing: real
0.002s user 0.001s sys 0.000s Metrics:
{"bytes_written":192,"delete_count":0,"lbm_write_time_us":63,"lbm_writes_lt_1ms":4,"reinsert_count":0,"update_count":2}
I20250220 05:58:09.449453 20505 maintenance_manager.cc:419] P
71ed98bf4be243e8ad8143261a9da285: Scheduling
MajorDeltaCompactionOp(ffffffffffffffffffffffffffffffff): perf score=0.420131
src/kudu/tserver/tablet_server-test.cc:5022: Failure
Value of: tablet_replica_->tablet()->DeltaMemRowSetEmpty()
Actual: false
Expected: true
I20250220 05:58:09.451750 19103 tablet_server.cc:178] TabletServer@127.0.0.1:0
shutting down...
I20250220 05:58:09.453979 20444 maintenance_manager.cc:643] P
71ed98bf4be243e8ad8143261a9da285:
MajorDeltaCompactionOp(ffffffffffffffffffffffffffffffff) complete. Timing: real
0.004s user 0.003s sys 0.000s Metrics
{"cfile_cache_miss":7,"cfile_cache_miss_bytes":251,"cfile_init":5,"delete_count":0,"delta_blocks_compacted":1,"delta_iterators_relevant":1,"dirs.queue_time_us":97,"lbm_read_time_us":220,"lbm_reads_lt_1ms":27,"lbm_write_time_us":213,"lbm_writes_lt_1ms":13,"peak_mem_usage":32768,"reinsert_count":0,"update_count":2}
{noformat}
Full log is attached.
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