> Write performance decreases.
>
Check the logs for WARN messages from the GCInspector. With 2Gb and only 2
Cores you may be seeing ParNew compaction which pauses the server.
> Sometimes I have to wait 3-4 seconds to get a count even though there're only
> couple of thousand small entries in
Write performance decreases.
Reads are basically blocked, too. Sometimes I have to wait 3-4 seconds to
get a count even though there're only couple of thousand small entries in a
table.
On Thu, Apr 18, 2013 at 8:37 PM, aaron morton wrote:
> After about 1-2K inserts I get significant performance
> After about 1-2K inserts I get significant performance decrease.
A decrease in performance doing what ?
Cheers
-
Aaron Morton
Freelance Cassandra Consultant
New Zealand
@aaronmorton
http://www.thelastpickle.com
On 19/04/2013, at 4:43 AM, Oleksandr Petrov wrote:
> Hi,
>
> I
Hi,
I'm trying to persist some event data, I've tried to identify the
bottleneck, and it seems to work like that:
If I create a table with primary key based on (application, environment,
type and emitted_at):
CREATE TABLE events (application varchar, environment varchar, type
varchar, additional