incubator-cassandra-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From myreasoner <myreaso...@gmail.com>
Subject Re: Read latency is over 1 minute on a column family with 400,000 rows
Date Mon, 01 Aug 2011 03:47:31 GMT
Thanks.

I did *./nodetool -h localhost compact keyspace columnfamily1 *.  But it
came back really quick and the cfstats doesn't seem change much.

After compaction:
                Column Family: Fingerprint
                SSTable count: 2057
                Space used (live): 164351343468
                Space used (total): 164742957014
                Memtable Columns Count: 33224
                Memtable Data Size: 22410133
                Memtable Switch Count: 378
                Read Count: 7
                Read Latency: NaN ms.
                Write Count: 30972
                Write Latency: 1.579 ms.
                Pending Tasks: 0
                Key cache capacity: 200000
                Key cache size: 8157
                Key cache hit rate: 0.0
                Row cache: disabled
                Compacted row minimum size: 104
                Compacted row maximum size: 315852
                Compacted row mean size: 33846


--
View this message in context: http://cassandra-user-incubator-apache-org.3065146.n2.nabble.com/Read-latency-is-over-1-minute-on-a-column-family-with-400-000-rows-tp6639649p6639790.html
Sent from the cassandra-user@incubator.apache.org mailing list archive at Nabble.com.

Mime
View raw message