Awesome Lars . Thanks for following up so quickly!
On Tue, Sep 13, 2022 at 1:26 PM Lars Winderling <lars.winderl...@posteo.de> wrote: > > Dear brothers (and sisters), NiFi did it! > > With a dummy flow writing both small and large files to a queue, I > jammed the disk completely (of the content repo). > Then I deleted all flowfiles again. On my test server, it takes reliably > 2min to evict the content claims from disk. I repeated this a few times. > First, NiFi tries to clean up, but cannot archive anything because out > of disk space. Then, it archives some, on next run, it deletes all. With > the old setting of 10MB, it simply starved at least until next restart. > > This is truly amazing. I mean, I totally love NiFi (my complete team > does), and I check release notes and stuff – but missed out on that > small detail. Really, amazing job (kudos to all NiFi devs). And thanks > Joe (and Pat) for both you technical and emotional support :-) > > Enjoy your day, see you on the list and may the flow be with you. Always. > > Best, Lars > > On 22-09-13 20:17, Joe Witt wrote: > > Hahah Pat! > > > > Lars > > > > Ok great - very highly probably this is the issue. Go with 50KB and > > lets see what unfolds. > > > > Thanks > > > > On Tue, Sep 13, 2022 at 1:16 PM Patrick Timmins <ptimm...@cox.net> wrote: > >> Ha! ... too funny! > >> > >> You are a good father and NiFi brother > >> > >> ... God Bless! > >> > >> Pat > >> > >> On 9/13/2022 1:08 PM, Lars Winderling wrote: > >>> …and guess what I did :-) the joys of remote working. just put my kids > >>> to bed, and here you are! > >>> > >>> # Content Repository > >>> nifi.content.repository.implementation=org.apache.nifi.controller.repository.FileSystemRepository > >>> > >>> nifi.content.claim.max.appendable.size=10 MB > >>> nifi.content.claim.max.flow.files=100 > >>> nifi.content.repository.directory.default=/srv/nifi-content/data/content-repository > >>> > >>> nifi.content.repository.archive.max.retention.period=12 hours > >>> nifi.content.repository.archive.max.usage.percentage=50% > >>> nifi.content.repository.archive.enabled=true > >>> nifi.content.repository.always.sync=false > >>> nifi.content.viewer.url=../nifi-content-viewer/ > >>> > >>> So we even use 10MB… > >>> will check if lowering the value changes anything > >>> > >>> On 22-09-13 20:04, Patrick Timmins wrote: > >>>> No, I agree. Lars, please give up the rest of your evening and drive > >>>> back to work and report back with your findings ASAP. It may be past > >>>> normal working hours in Germany, but you have NiFi brothers and > >>>> sisters around the world that are counting on you ... please don't > >>>> let us down. > >>>> > >>>> :) <- international smiley/joking symbol > >>>> > >>>> > >>>> On 9/13/2022 10:15 AM, Joe Witt wrote: > >>>>> read that again and hopefully it was obvious I was joking. But I am > >>>>> looking forward to hearing what you learn. > >>>>> > >>>>> Thanks > >>>>> > >>>>> On Tue, Sep 13, 2022 at 10:10 AM Joe Witt <joe.w...@gmail.com> wrote: > >>>>>> Lars > >>>>>> > >>>>>> I need you to drive back to work because now I am very vested in > >>>>>> the outcome :) > >>>>>> > >>>>>> But yeah this was an annoying problem we saw hit some folks. Changing > >>>>>> that value after fixing the behavior was the answer. I owe the > >>>>>> community a blog on this.... > >>>>>> > >>>>>> Thanks > >>>>>> > >>>>>> On Tue, Sep 13, 2022 at 9:57 AM Lars Winderling > >>>>>> <lars.winderl...@posteo.de> wrote: > >>>>>>> Sorry, misread the jira. We're still on the old default value. > >>>>>>> Thank you for being persistant about it. I will try it tomorrow > >>>>>>> with the lower value and get back to you. Not at work atm, so I > >>>>>>> can't paste the config values in detail. > >>>>>>> > >>>>>>> On 13 September 2022 16:45:30 CEST, Joe Witt <joe.w...@gmail.com> > >>>>>>> wrote: > >>>>>>>> Lars > >>>>>>>> > >>>>>>>> You should not have to update to 1.17. While I'm always fond of > >>>>>>>> peoople being on the latest the issue i mentioned is fixed in > >>>>>>>> 1.16.3. > >>>>>>>> > >>>>>>>> HOWEVER, please do confirm your values. The one I'd really focus > >>>>>>>> you on is > >>>>>>>> nifi.content.claim.max.appendable.size=50 KB > >>>>>>>> > >>>>>>>> Our default before was like 1MB and what we'd see is we'd hang on to > >>>>>>>> large content way longer than we intended because some queue had one > >>>>>>>> tiny object in it. So that value became really important. > >>>>>>>> > >>>>>>>> If you're on 1MB change to 50KB and see what happens. > >>>>>>>> > >>>>>>>> Thanks > >>>>>>>> > >>>>>>>> On Tue, Sep 13, 2022 at 9:40 AM Lars Winderling > >>>>>>>> <lars.winderl...@posteo.de> wrote: > >>>>>>>>> I guess the issue you linked, is related. I have seen similar > >>>>>>>>> messages in the log occasionally, but didn't directly connect > >>>>>>>>> it. Our config is pretty similar to the defaults, none of it > >>>>>>>>> should directly cause the issue. Will give 1.17.0 a try and come > >>>>>>>>> back if the issue persists. Your help is really appreciated, > >>>>>>>>> thanks! > >>>>>>>>> > >>>>>>>>> On 13 September 2022 16:33:53 CEST, Joe Witt > >>>>>>>>> <joe.w...@gmail.com> wrote: > >>>>>>>>>> Lars > >>>>>>>>>> > >>>>>>>>>> The issue that came to mind is > >>>>>>>>>> https://issues.apache.org/jira/browse/NIFI-10023 but that is > >>>>>>>>>> fixed in > >>>>>>>>>> 1.16.2 and 1.17.0 so that is why I asked. > >>>>>>>>>> > >>>>>>>>>> What is in your nifi.properties for > >>>>>>>>>> # Content Repository > >>>>>>>>>> nifi.content.repository.implementation=org.apache.nifi.controller.repository.FileSystemRepository > >>>>>>>>>> > >>>>>>>>>> nifi.content.claim.max.appendable.size=50 KB > >>>>>>>>>> nifi.content.repository.directory.default=./content_repository > >>>>>>>>>> nifi.content.repository.archive.max.retention.period=7 days > >>>>>>>>>> nifi.content.repository.archive.max.usage.percentage=50% > >>>>>>>>>> nifi.content.repository.archive.enabled=true > >>>>>>>>>> nifi.content.repository.always.sync=false > >>>>>>>>>> > >>>>>>>>>> Thanks > >>>>>>>>>> > >>>>>>>>>> On Tue, Sep 13, 2022 at 7:04 AM Lars Winderling > >>>>>>>>>> <lars.winderl...@posteo.de> wrote: > >>>>>>>>>>> > >>>>>>>>>>> I'm using 1.16.3 from upstream (no custom build) on java 11 > >>>>>>>>>>> temurin, debian 10, virtualized, no docker setup. > >>>>>>>>>>> > >>>>>>>>>>> On 13 September 2022 13:37:15 CEST, Joe Witt > >>>>>>>>>>> <joe.w...@gmail.com> wrote: > >>>>>>>>>>>> > >>>>>>>>>>>> Lars > >>>>>>>>>>>> > >>>>>>>>>>>> What version are you using? > >>>>>>>>>>>> > >>>>>>>>>>>> Thanks > >>>>>>>>>>>> > >>>>>>>>>>>> On Tue, Sep 13, 2022 at 3:11 AM Lars Winderling > >>>>>>>>>>>> <lars.winderl...@posteo.de> wrote: > >>>>>>>>>>>>> > >>>>>>>>>>>>> Dear community, > >>>>>>>>>>>>> > >>>>>>>>>>>>> sometimes our content repository grows out of bounds. > >>>>>>>>>>>>> Since it has been separated on disk from the rest of NiFi, > >>>>>>>>>>>>> we can still use the NiFi UI and empty the respective > >>>>>>>>>>>>> queues. However, the disk remains jammed. Sometimes, it gets > >>>>>>>>>>>>> cleaned up after a few mintes, but most of the time we need > >>>>>>>>>>>>> to restart NiFi manually, for the cleanup to happen. > >>>>>>>>>>>>> So. is there any way of triggering the content eviction > >>>>>>>>>>>>> manually without restarting NiFi? > >>>>>>>>>>>>> Btw. the respective files on disk are not archived in the > >>>>>>>>>>>>> content repository (thus not below */archive/*). > >>>>>>>>>>>>> > >>>>>>>>>>>>> Thanks in advance for your support! > >>>>>>>>>>>>> Best, > >>>>>>>>>>>>> Lars >