On Mon, Jun 18, 2012 at 12:07 AM, Jason Tang wrote:
> After I enable key cache and row cache, the problem gone, I guess it because
> we have lots of data in SSTable, and it takes more time, memory and cpu to
> search the data.
The Key Cache is usually a win if added like this. The Row cache is
le
Hi
After I enable key cache and row cache, the problem gone, I guess it
because we have lots of data in SSTable, and it takes more time, memory and
cpu to search the data.
BRs
//Tang Weiqiang
2012/6/18 aaron morton
> It is also strange that although no data in Cassandra can fulfill the
> que
> It is also strange that although no data in Cassandra can fulfill the query
> conditions, but it takes more time if we have more data in Cassandra.
These log messages:
> DEBUG [ReadStage:89] 2012-06-17 20:17:26,958 SliceQueryFilter.java (line 123)
> collecting 0 of 5000:
> 7fff0
Hi
After I change log level to DEBUG, I found some log.
Although we don't have traffic to Cassandra, but we have scheduled the
task to perform the sliceQuery.
We use time-stamp as the index, we will perform the query by every second
to check if we have tasks to do.
After 24 hours, we h