Stéphane, I think this is a great idea. Would you please create a Jira for this feature? The threshold for frequency may need to be configurable, and if the alert icon is clicked or hovered, it could offer a quick description of the issue and how to resolve it.
Andy LoPresto [email protected] [email protected] PGP Fingerprint: 70EC B3E5 98A6 5A3F D3C4 BACE 3C6E F65B 2F7D EF69 > On Jul 18, 2016, at 10:24 PM, Stéphane Maarek <[email protected]> > wrote: > > Hi Joe, > > Been using NiFi for a while and I have always been wondering why I was > capping at 10 thread. Now I have my answer :) > It would be great to have a visual cue (warning sign) next to Active thread > on the left hand side, in case the max number is reached too often. Giving > the user an idea of how many threads are available to him to as a helper > would be great. > > Cheers, > Stephane > > On Fri, Jul 15, 2016 at 2:35 AM Kevin Verhoeven <[email protected] > <mailto:[email protected]>> wrote: > Thank you Joe, that was exactly what I was looking for. > > Kevin > > -----Original Message----- > From: Joe Witt [mailto:[email protected] <mailto:[email protected]>] > Sent: Wednesday, July 13, 2016 4:27 PM > To: [email protected] <mailto:[email protected]> > Subject: Re: Increase the number of threads available to a Node > > Hello > > Take a look here > https://nifi.apache.org/docs/nifi-docs/html/user-guide.html#Controller_Settings > > <https://nifi.apache.org/docs/nifi-docs/html/user-guide.html#Controller_Settings> > > You probably want this to be higher than the default value. > > Thanks > Joe > > On Wed, Jul 13, 2016 at 7:21 PM, Kevin Verhoeven <[email protected] > <mailto:[email protected]>> wrote: > > I am running a NiFi cluster (0.7.0 snapshot) that contains 19 nodes > > and my workflows appear to be thread starved. I have reduced the > > number of concurrent tasks on each of the Processors, but my servers > > actually appear to have more threads available – and CPU and load > > average is very low. So I would like to increase the number of threads > > available to the nodes. I have been searching through the > > nifi.properties file for a way to control the number of threads > > available to a NiFi Node and I’ve come across a few different thread > > parameters. Can you explain what I should be using: > > > > > > > > nifi.web.jetty.threads The number of Jetty threads. The default value > > is 200. > > > > nifi.cluster.node.protocol.threads The number of threads used for the > > node protocol. The default value is 2. > > > > nifi.cluster.manager.node.api.request.threads The number of threads to > > use for API requests. The default value is 10. > > > > nifi.cluster.manager.protocol.threads The number of threads used for > > the cluster manager protocol. The default value is 10. > > > > > > > > Regards, > > > > > > > > Kevin > > > >
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