Ah... no, that's just its "is there anything to deliver" check. Basically a no-op if there are no data files left.
On Mon, May 31, 2010 at 2:05 PM, Ran Tavory <ran...@gmail.com> wrote: > I deleted all files in the system dir, including hints before starting the > servers. > It's not a big deal. but can it be something else? > > On Mon, May 31, 2010 at 9:53 PM, Jonathan Ellis <jbel...@gmail.com> wrote: >> >> disabling hinted handoff will prevent creation of new hints, but it >> will continue to attempt to deliver existing ones unless you manually >> delete the hint files in the system/ dir. >> >> On Mon, May 31, 2010 at 6:04 AM, Ran Tavory <ran...@gmail.com> wrote: >> > In 0.6.2 I disabled hinted handoff, however tpstats and cfstats report >> > seems >> > odd. >> > On all servers in the cluster I have: >> > <HintedHandoffEnabled>false</HintedHandoffEnabled> >> > tpstats reports 5 completed handoffs. >> > $ nodetool -h cass25 -p 9004 tpstats >> > Pool Name Active Pending Completed >> > FILEUTILS-DELETE-POOL 0 0 2 >> > STREAM-STAGE 0 0 0 >> > RESPONSE-STAGE 0 0 5903099 >> > ROW-READ-STAGE 0 0 669093 >> > LB-OPERATIONS 0 0 0 >> > MESSAGE-DESERIALIZER-POOL 1 0 6595504 >> > GMFD 0 0 35947 >> > LB-TARGET 0 0 0 >> > CONSISTENCY-MANAGER 0 0 669095 >> > ROW-MUTATION-STAGE 0 0 644360 >> > MESSAGE-STREAMING-POOL 0 0 0 >> > LOAD-BALANCER-STAGE 0 0 0 >> > FLUSH-SORTER-POOL 0 0 0 >> > MEMTABLE-POST-FLUSHER 0 0 7 >> > FLUSH-WRITER-POOL 0 0 7 >> > AE-SERVICE-STAGE 0 0 1 >> > HINTED-HANDOFF-POOL 0 0 5 >> > In data/system/* there are only LocationInfo files, so looks like hinted >> > handoff is indeed disabled and cfstats does indicate there are 0 bytes, >> > however it also indicates of 32 reads which I didn't expect (cluster has >> > been up for a few hours). >> > $ nodetool -h cass25 -p 9004 tpstats >> > ... >> > Column Family: HintsColumnFamily >> > SSTable count: 0 >> > Space used (live): 0 >> > Space used (total): 0 >> > Memtable Columns Count: 0 >> > Memtable Data Size: 0 >> > Memtable Switch Count: 0 >> > Read Count: 32 >> > Read Latency: 0.062 ms. >> > Write Count: 0 >> > Write Latency: NaN ms. >> > Pending Tasks: 0 >> > Key cache capacity: 1 >> > Key cache size: 0 >> > Key cache hit rate: NaN >> > Row cache: disabled >> > Compacted row minimum size: 0 >> > Compacted row maximum size: 0 >> > Compacted row mean size: 0 >> > Any idea why is this happening? >> >> >> >> -- >> Jonathan Ellis >> Project Chair, Apache Cassandra >> co-founder of Riptano, the source for professional Cassandra support >> http://riptano.com > > -- Jonathan Ellis Project Chair, Apache Cassandra co-founder of Riptano, the source for professional Cassandra support http://riptano.com
