RE: Read perf investigation

2011-11-03 Thread Dan Hendry
ration, is your problem. Perhaps consider RAID0 with ephemeral drives. Dan From: Ian Danforth [mailto:idanfo...@numenta.com] Sent: November-03-11 18:34 To: user@cassandra.apache.org Subject: Read perf investigation All, I've done a bit more homework, and I continue to see long

Read perf investigation

2011-11-03 Thread Ian Danforth
All, I've done a bit more homework, and I continue to see long 200ms to 300ms read times for some keys. Test Setup EC2 M1Large sending requests to a 5 node C* cluster also in EC2, also all M1Large. RF=3. ReadConsistency = ONE. I'm using pycassa from python for all communication. Data Model On