I stand corrected. I completely forgot about these properties!
2018-08-03 16:03 GMT+02:00 Joe Witt <[email protected]>: > are there any good local/embedded style time series type DBs we can > use for a non transient option? > > On Fri, Aug 3, 2018 at 9:54 AM, Mark Payne <[email protected]> wrote: > > Hey Phil, > > > > There are two properties that control this: > > > > nifi.components.status.repository.buffer.size=1440 > > nifi.components.status.snapshot.frequency=1 min > > > > The snapshot.frequency tells NiFi how often to take a 'snapshot' of the > stats on your canvas and add to the 'Status History'. > > The buffer.size says how many of these to hold in memory. > > > > So the default is to take a snapshot every minute and keep 1,440 > minutes' worth (which is 24 hours). If you want to expand this > > to a week, you can do so by making the buffer size larger or by making > the snapshot frequency less often. Keep in mind, though, > > that there are a lot of stats being collected so if you have a lot of > processors, the amount of heap/memory that gets used up can > > grow pretty quickly. I'd recommend changing the snapshot frequency to "5 > mins" and the buffer size to 2016 to make 7 days' worth > > of stats. > > > > You'll also want to keep in mind that these stats are all stored in > memory so if you restart NiFi, you will lose the stats that you've gathered. > > > > Of note, I am currently working on NIFI-5466 [1], which should > significantly reduce the amount of memory needed to store the stats, > especially > > for processors that are stopped. > > > > Hope this helps! > > > > Thanks > > -Mark > > > > [1] https://issues.apache.org/jira/browse/NIFI-5466 > > > > On Aug 2, 2018, at 7:59 PM, Phil H <[email protected]<mailto:gi > [email protected]>> wrote: > > > > Hi there, > > > > Is there a way to plot graphs longer than 24 hours? We are interested in > > seeing things that happen over the course of a week or so > > > > Thanks, > > Phil > > >
