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 >
