As an alternative approach, I run monit on our zookeeper machines to periodically check "stat" and restart zookeeper if it reports errors a certain number of times.
On Wed, Nov 5, 2014 at 9:49 AM, Jordan Zimmerman <[email protected] > wrote: > Yes, that’s true. Someone needs to watch the watcher ;) At Netflix we ran > Exhibitor in Tomcat and had company wide tools that would watch our Tomcat > processes. > > > On November 5, 2014 at 12:47:52 PM, Check Peck ([email protected]) > wrote: > > Hi Jordan, > > I have one more question on this. As you told me, if zookeeper went down, > then exhibitor will start it but suppose if exhibitor went down, then it > won't get started up right? > > So for this case, we need to write a crontab which keeps on checking the > state of exhibitor and restart it if it is down? > > On Wed, Oct 1, 2014 at 2:18 PM, Jordan Zimmerman < > [email protected]> wrote: > >> Yes >> >> >> On October 1, 2014 at 4:17:00 PM, Check Peck ([email protected]) >> wrote: >> >> Thanks Jordan. One last question, as of now it is showing *OFF* next to >> *Automatic >> Instance Restarts* button so if I turn it ON on the Exhibitor while >> zookeeper is running and taking traffic, then it will be fine? Right? >> >> On Wed, Oct 1, 2014 at 2:11 PM, Jordan Zimmerman < >> [email protected]> wrote: >> >>> Yes, Exhibitor can be used as a co-process to restart down instances. >>> It can also completely manage your ensemble if you like. >>> >>> -JZ >>> >>> >>> On October 1, 2014 at 3:34:10 PM, Check Peck ([email protected]) >>> wrote: >>> >>> Checking again to see whether anyone know the answer? >>> >>> On Wed, Sep 24, 2014 at 8:56 AM, Check Peck <[email protected]> >>> wrote: >>> >>>> We have a three node zookeeper cluster and we are also using >>>> Exhibitor on top of each zookeeper node. >>>> >>>> Suppose if any of the zookeeper node goes down or having any errors or >>>> issues then is there any way that it can be restarted? >>>> >>>> I noticed on Exhibitor UI of my zookeeper nodes there is a button for >>>> *Automatic >>>> Instance Restarts* >>>> >>>> Does anyone know what does it do? Right now it is in off state. >>>> >>> >>> >> >
