Got it thanks, So I assume none of this below if full garbage collection? This has happened in less than a day
*G1 Young Generation* 23568 times 00:07:49.718 *G1 Old Generation* 20 times 00:00:13.226 On Thu, Jun 30, 2016 at 10:22 PM Mark Payne <[email protected]> wrote: > Stephane, > > This is normal and expected. Even though there is no data flowing through > your system, the framework > does have some maintenance that it has to do, such as pruning old archived > data from the Content Repository > and Provenance Repository, checkpointing the FlowFile Repository, keeping > stats for all of the processors, etc., etc. > > If you were to see "Full Garbage Collections" taking place then there may > be some concern but minor garbage collections > are pretty frequent and shouldn't cause concern. > > Thanks > -Mark > > > On Jun 30, 2016, at 12:37 AM, Stéphane Maarek <[email protected]> > wrote: > > Heap (32.0%) > *Max* 5 GB > *Total* 4 GB > *Used* 1.62 GB > *Free* 2.38 GB > dd > > I have an issue, I followed this link to "optimize" HDF > https://community.hortonworks.com/articles/7882/hdfnifi-best-practices-for-setting-up-a-high-perfo.html > > > Basically, I have two UDP receivers but they don't receive any data right > now. They produce 14,000 tasks each every 5 minutes (which is fine). The > issue is that my Heap increases to the top 4 GB every minute I would say, > triggering a garbage collection event (I use G1). Is that normal? I would > expect the memory to stay constant if no data goes through my system at all > > Thanks, > Stephane > > >
