You may also want to look at the value set for ulimit -u - it's
unlimited on many OSes, but RHEL6 in particular sets it way too low,
which will cause the "unable to creative native thread". What OS you
running?
The conntrack error has to do with ip_conntrack, which is an iptables
module that keeps
Awesome, thanks... This is similar to mysql max-conn setting.
-Jack
On Sat, Mar 12, 2011 at 11:29 AM, Stack wrote:
> I opened HBASE-3628 to expose the TThreadPoolServer options on the
> command-line for thrift server.
> St.Ack
>
> On Sat, Mar 12, 2011 at 11:20 AM, Stack wrote:
> > Via Bryan (a
I opened HBASE-3628 to expose the TThreadPoolServer options on the
command-line for thrift server.
St.Ack
On Sat, Mar 12, 2011 at 11:20 AM, Stack wrote:
> Via Bryan (and J-D), by default we use the thread pool server from
> Thrift (unless you choose the non-blocking option):
>
> 978 LOG.inf
Via Bryan (and J-D), by default we use the thread pool server from
Thrift (unless you choose the non-blocking option):
978 LOG.info("starting HBase ThreadPool Thrift server on " +
listenAddress + ":" + Integer.toString(listenPort));
979 server = new TThreadPoolServer(processor, serverT
I don't see any bounding in the thrift code. Asking Bryan
St.Ack
On Sat, Mar 12, 2011 at 10:04 AM, Jack Levin wrote:
> So our problem is this: when we restart a region server, or it goes
> down, hbase slows down, while we send super high frequency thrift
> calls from our PHP front-end APP we
So our problem is this: when we restart a region server, or it goes
down, hbase slows down, while we send super high frequency thrift
calls from our PHP front-end APP we actually spawn up 2+ threads on
thrift, and what this
does is destroys all memory on the boxes, and causes DNs just to shut
d
>> to:java.lang.OutOfMemoryError: unable to create new native thread
This indicates that you are oversubscribed on your RAM to the extent
that the JVM doesn't have any space to create native threads (which
are allocated outside of the JVM heap.)
You may actually have to _reduce_ your heap sizes t
