>> The default value is zero, which means the maximum direct memory is unbounded.
That is not correct. If you do not specify MaxDirectMemorySize, default is platform specific The link above is for JRockit JVM I presume? On Tue, Oct 10, 2017 at 11:19 AM, Esteban Gutierrez <[email protected]> wrote: > I don't think is truly unbounded, IIRC it s limited to the maximum > allocated heap. > > thanks, > esteban. > > -- > Cloudera, Inc. > > > On Tue, Oct 10, 2017 at 1:11 PM, Ted Yu <[email protected]> wrote: > > > From https://docs.oracle.com/cd/E15289_01/doc.40/e15062/optionxx.htm : > > > > java -XX:MaxDirectMemorySize=2g myApp > > > > Default Value > > > > The default value is zero, which means the maximum direct memory is > > unbounded. > > > > On Tue, Oct 10, 2017 at 11:04 AM, Vladimir Rodionov < > > [email protected]> > > wrote: > > > > > >> XXMaxDirectMemorySize is set to the default 0, which means unlimited > > as > > > far > > > >> as I can tell. > > > > > > Not sure if this is true. The only conforming that link I found was for > > > JRockit JVM. > > > > > > On Mon, Oct 9, 2017 at 11:29 PM, Daniel Jeliński <[email protected] > > > > > wrote: > > > > > > > Vladimir, > > > > XXMaxDirectMemorySize is set to the default 0, which means unlimited > as > > > far > > > > as I can tell. > > > > Thanks, > > > > Daniel > > > > > > > > 2017-10-09 19:30 GMT+02:00 Vladimir Rodionov <[email protected] > >: > > > > > > > > > Have you try to increase direct memory size for server process? > > > > > -XXMaxDirectMemorySize=? > > > > > > > > > > On Mon, Oct 9, 2017 at 2:12 AM, Daniel Jeliński < > > [email protected]> > > > > > wrote: > > > > > > > > > > > Hello, > > > > > > I'm running an application doing a lot of Puts (size anywhere > > > between 0 > > > > > and > > > > > > 10MB, one cell at a time); occasionally I'm getting an error like > > the > > > > > > below: > > > > > > 2017-10-09 04:29:29,811 WARN [AsyncProcess] - #13368, > > > > > > table=researchplatform:repo_stripe, attempt=1/1 failed=1ops, > last > > > > > > exception: java.io.IOException: com.google.protobuf. > > > ServiceException: > > > > > > java.lang.OutOfMemoryError: Direct buffer memory on > > > > > > c169dzv.int.westgroup.com,60020,1506476748534, tracking started > > Mon > > > > Oct > > > > > 09 > > > > > > 04:29:29 EDT 2017; not retrying 1 - final failure > > > > > > > > > > > > After that the connection to RegionServer becomes unusable. Every > > > > > > subsequent attempt to execute Put on that connection results in > > > > > > CallTimeoutException. I only found the OutOfMemory by reducing > the > > > > number > > > > > > of tries to 1. > > > > > > > > > > > > The host running HBase appears to have at least a few GB of free > > > memory > > > > > > available. Server logs do not mention anything about this error. > > > > Cluster > > > > > is > > > > > > running HBase 1.2.0-cdh5.10.2. > > > > > > > > > > > > Is this a known problem? Are there workarounds available? > > > > > > Thanks, > > > > > > Daniel > > > > > > > > > > > > > > > > > > > > >
