Thanks for the feedback!
On Fri, Jun 28, 2013 at 8:27 AM, Gary Tully wrote:
> It was an effort to increase the write throughput, but for kahadb the
> bottleneck is the index so any gain/loss for different workloads was
> over shadowed.
> For the moment, stick with the defaults. The logging may
It was an effort to increase the write throughput, but for kahadb the
bottleneck is the index so any gain/loss for different workloads was
over shadowed.
For the moment, stick with the defaults. The logging may help identify
the best value for journalMaxWriteBatchSize.
On 27 June 2013 18:55, Chris
Maybe Gary can give you more info, but the caller buffer appender is an
experimental appender to help offload the buffering of writes to calling
threads and reduce the time spent in the thread that actually writes to the
journal. The write stat window is for logging purposes to get an idea of an
av
Hi,
I came across the following system properties that are uses by the
kahaDBPersistenceAdapter, their default values are:
-Dorg.apache.kahadb.journal.appender.WRITE_STAT_WINDOW=0
-Dorg.apache.kahadb.journal.CALLER_BUFFER_APPENDER=false
A particular unit test recommends setting them to:
-Dorg.a
