Old gen would be considered full garbage collection. You are good. On Jun 30, 2016 8:22 PM, "Stéphane Maarek" <[email protected]> wrote:
> 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 >> >> >>
