One thought I had would be to grep for all lines in the logs for the
equivalent of
grep "Cleaning up SSTableReader(path='/data/cassandra/keyspace/cf/"
/var/log/cassandra/system.log | wc -l
which would give you the number of sstables processed for that column
family. Then you could compare that t
compactionstats does not show the overall progress it has made on cleanup
operations for an entire keyspace -- It just shows the current progress on
each sstable it is working on. How would you suggest you abstract those
stats to guesstimate overall cleanup progress across all sstables in that
keys
You can do check nodetool compactionstats to see progress for current cleanup
operations. It essentially traverses all of your sstables and removes data
that the node isn't responsible for. So that's the overall operation, so you
would estimate in terms of how long it would take to go through
I know there is very little insight currently into long running JMX operations
but has anyone figured out any way clever to determine approximate progress on
cleanup operations? Merci.
Best,
Michael
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