g thread MESSAGE-DESERIALIZER-POOL-1 executes the
> SliceFromReadCommand task.
> ReadCommand is much slower than message de-serialization and costs many
> milliseconds, so It look like that MESSAGE-DESERIALIZER-POOL is slow down by
> SliceFromReadCommand.
>
>
>
much slower than message de-serialization and costs many
milliseconds, so It look like that MESSAGE-DESERIALIZER-POOL is slow down by
SliceFromReadCommand.
From: Lu Ming
Sent: Wednesday, June 23, 2010 11:50 PM
To: user@cassandra.apache.org
Subject: MESSAGE-DESERIALIZER-POOL is slow down by
Yesterday and today , I found there are many pending message (>100,000) to be
de-serialized in MESSAGE-DESERIALIZER-POOL.
and I do the thread dump, It seems that some "SliceRead" is NOT executed by
StageManager.READ_STAGE and executed by MESSAGE-DESERIALIZER-POOL.
It is somewhat strange. Read fr