Hello Marcus, I altered the table to set timestamp_resolution to 'MICROSECONDS'. I waited for sometime, but the sstable count did not come down. Do you think I should specific command to reduce the count of sstables after setting this?
Thanks and Regards Noorul On Mon, Feb 29, 2016 at 7:22 PM, Marcus Eriksson <krum...@gmail.com> wrote: > why do you have 'timestamp_resolution': 'MILLISECONDS'? It should be left as > default (MICROSECONDS) unless you do "USING TIMESTAMP > <milliseconds>"-inserts, see > https://issues.apache.org/jira/browse/CASSANDRA-11041 > > On Mon, Feb 29, 2016 at 2:36 PM, Noorul Islam K M <noo...@noorul.com> wrote: >> >> >> Hi all, >> >> We are using below compaction settings for a table >> >> compaction = {'timestamp_resolution': 'MILLISECONDS', >> 'max_sstable_age_days': '365', 'base_time_seconds': '60', 'class': >> 'org.apache.cassandra.db.compaction.DateTieredCompactionStrategy'} >> >> But it is creating too many sstables. Currently number of sstables >> is 40000. We have been injecting data for the last three days. >> >> We have set the compactionthroughput to 128 MB/s >> >> $ nodetool getcompactionthroughput >> >> Current compaction throughput: 128 MB/s >> >> But this is not helping. >> >> How can we control the number of sstables in this case? >> >> Thanks and Regards >> Noorul > >