Re: Using this I think I found/verified an interesting problem with Cassandra

2010-09-08 Thread Dathan Pattishall
Ah thanks Jonathan, this is yet again a great explanation to get me started. Will do some digging. Thanks allot! On Wed, Sep 8, 2010 at 12:30 PM, Jonathan Ellis wrote: > it looks to me like you are describing "compaction causes a lot of > i/o." see http://wiki.apache.org/cassandra/MemtableSSTab

Re: Using this I think I found/verified an interesting problem with Cassandra

2010-09-08 Thread Jonathan Ellis
it looks to me like you are describing "compaction causes a lot of i/o." see http://wiki.apache.org/cassandra/MemtableSSTable#Compaction things you can do about the extra i/o: - increase memtable sizes (if you haven't done this yet you should, by 10x or so) - reduce compaction priority (see htt