Yes, Cassandra has no way of knowing that all the data is in the most recent
sstable, and will have to check the others too, and this bring a lot of
difficulty to data compaction.
I have a question that if I want a high performance data compaction, how can I
implement that all the columns are
Thanks, Jonathan. I got it.
2012-02-17
zhangcheng
发件人： Jonathan Ellis
发送时间： 2012-02-17 10:15:05
收件人： user
抄送：
主题： Re: Key cache hit rate issue
Look for this code in SSTableReader.getPosition:
Pair unifiedKey = new
Pair(descriptor, decoratedKey);
Long cached
according to the read process, the key of the keycache should be the row key.
2012-02-17
zhangcheng
发件人： Todd Burruss
发送时间： 2012-02-17 06:23:47
收件人： user@cassandra.apache.org
抄送：
主题： Re: Key cache hit rate issue
jonathan, you said the key to the cache is key + sstable? looking at
