Richard Andersen created CASSANDRA-13746:
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Summary: Anti-Compaction log events do not have enough information
Key: CASSANDRA-13746
URL: https://issues.apache.org/jira/browse/CASSANDRA-13746
Project: Cassandra
Issue Type: Improvement
Components: Compaction, Core
Reporter: Richard Andersen
Priority: Minor
Currently anti-compaction has two log event forms. They are:
INFO [CompactionExecutor:659] 2016-12-11 03:09:46,553
CompactionManager.java:511 - Starting anticompaction for
testks_synchronization.cardticketmap on 0/[] sstables
INFO [CompactionExecutor:658] 2016-12-11 03:09:46,553
CompactionManager.java:511 - Starting anticompaction for
testks_synchronization.mapp2pidtouseridreadmodel on
3/[BigTableReader(path='/var/lib/cassandra/data/testks_synchronization/mapp2pidtouseridreadmodel-ebdbe410a43411e6b05641bd36123114/mc-105-big-Data.db'),
BigTableReader(path='/var/lib/cassandra/data/testks_synchronization/mapp2pidtouseridreadmodel-ebdbe410a43411e6b05641bd36123114/mc-22-big-Data.db'),
BigTableReader(path='/var/lib/cassandra/data/testks_synchronization/mapp2pidtouseridreadmodel-ebdbe410a43411e6b05641bd36123114/mc-17-big-Data.db'),
BigTableReader(path='/var/lib/cassandra/data/testks_synchronization/mapp2pidtouseridreadmodel-ebdbe410a43411e6b05641bd36123114/mc-91-big-Data.db'),
BigTableReader(path='/var/lib/cassandra/data/testks_synchronization/mapp2pidtouseridreadmodel-ebdbe410a43411e6b05641bd36123114/mc-104-big-Data.db')]
sstables
INFO [CompactionExecutor:659] 2016-12-11 03:09:46,554
CompactionManager.java:578 - Completed anticompaction successfully
-- or --
INFO [AntiCompactionExecutor:12] 2017-07-02 09:05:42,444
CompactionManager.java:1226 - Performing anticompaction on 1 sstables
INFO [AntiCompactionExecutor:12] 2017-07-02 09:05:42,444
CompactionManager.java:1263 - Anticompacting[BigTableReader(path =
'/var/lib/cassandra/data/product_v2/schema_updates-6c7c3d50fe0211e6a001c12716c256ee/mc-21-big-Data.db')]
INFO [AntiCompactionExecutor:12] 2017-07-02 09:05:42,471
CompactionManager.java:1242 - Anticompaction completed successfully,
anticompacted from 0 to 1 sstable(s).
It would be nice to have the following:
1) the actual keyspace and table name instead of parsing the SSTable file name
2) IO rate and duration (like in compaction log messages, e.g., 1,028ms =
0.057896MB/s)
3) Partition merge counts (like in compaction log messages, e.g., {1:1456, })
This information can be important for creating event timelines and aiding in
performance troubleshooting.
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