Mario, are you using native in-memory maps? I've seen these problems run rampant under Java memory maps.
On Fri, Nov 11, 2016 at 2:11 AM, Mario Pastorelli < [email protected]> wrote: > Hi all, > > I have two recurring errors with Accumulo in my cluster and I would like > to know more about them. The first, usually happening at ingestion time > when I write with the batch writers many records, is the "Running low on > memory". We keep adding memory to Accumulo but this is a blind guess and I > was wondering if there is a way to understand how much memory Accumulo > would need considering the amount of data that will be written. Should we > write slowly to Accumulo to avoid this? What is filling all the memory at > ingestion time? > Secondly, we have these zookeeper session expired and other zookeeper > timeouts. Zookeeper on our cluster works quite well, we have many systems > using it. How can I debug a "zookeeper session expired" in Accumulo? > > Thanks, > Mario > > -- > Mario Pastorelli | TERALYTICS > > *software engineer* > > Teralytics AG | Zollstrasse 62 | 8005 Zurich | Switzerland > phone: +41794381682 > email: [email protected] > www.teralytics.net > > Company registration number: CH-020.3.037.709-7 | Trade register Canton > Zurich > Board of directors: Georg Polzer, Luciano Franceschina, Mark Schmitz, Yann > de Vries > > This e-mail message contains confidential information which is for the > sole attention and use of the intended recipient. Please notify us at once > if you think that it may not be intended for you and delete it immediately. >
