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From kevin <kevincastigli...@gmail.com>
Subject reads are slow
Date Tue, 23 Feb 2010 17:33:06 GMT
to load 100 columns of a super column it takes over a second. how to improve
this performance.


i am using cassandra 0.5 version.

output of nodeprobe info
29814395632524962303611017038378268216
Load             : 9.18 GB
Generation No    : 1266945238
Uptime (seconds) : 638131
Heap Memory (MB) : 47.55 / 10237.94

the full config file is here
http://pastie.org/838916

I have given 10GB RAM in cassandra.in.sh.
        -Xmx10G \
i have increased KeysCachedFraction to 0.04. i have two different drives for
commitlog and data directoy.
i have about 3 million rows.
what can i do to improve read speed?
thanks a lot!

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