I use the default consistency level in the hector client, so it should be QUORUM.
-- Dikang Gu 0086 - 18611140205 On Friday, May 20, 2011 at 4:25 PM, Jeffrey Kesselman wrote: > What consistency are you asking for? > > On Fri, May 20, 2011 at 7:42 AM, Dikang Gu <dikan...@gmail.com> wrote: > > Hi All, > > I'm running three cassandra 0.7.4 nodes in a cluster, and I give 2G memory > > to each node. > > Now, I get the cfstats here: > > Keyspace: UserMap > > Read Count: 38411 > > Read Latency: 123.54214613001484 ms. > > Write Count: 44155 > > Write Latency: 0.02341093873853471 ms. > > Pending Tasks: 0 > > Column Family: Map > > SSTable count: 3 > > Space used (live): 32704387 > > Space used (total): 32704387 > > Memtable Columns Count: 49 > > Memtable Data Size: 3348 > > Memtable Switch Count: 56 > > Read Count: 38411 > > Read Latency: 123.542 ms. > > Write Count: 44155 > > Write Latency: 0.023 ms. > > Pending Tasks: 0 > > Key cache capacity: 200000 > > Key cache size: 611 > > Key cache hit rate: 0.9294361241314483 > > Row cache: disabled > > Compacted row minimum size: 125 > > Compacted row maximum size: 17436917 > > Compacted row mean size: 147647 > > You can find that the Read Latency is really high here, so what can I do to > > reduce the latency? Give more memory to the three nodes? Any other options? > > Thanks. > > -- > > Dikang Gu > > 0086 - 18611140205 > > > > -- > It's always darkest just before you are eaten by a grue. >
