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Zookeeper, mail # user - force snapshot


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challa asf 2013-01-07, 21:20
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Dayal Dilli 2013-01-08, 14:35
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S C 2013-01-09, 17:00
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Dayal Dilli 2013-01-09, 18:18
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S C 2013-01-09, 21:37
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Dayal Dilli 2013-01-10, 18:30
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Thawan Kooburat 2013-01-11, 08:48
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RE: force snapshot
S C 2013-01-11, 16:51
Thanks Thawan. This is exactly what I was looking for.

> From: [EMAIL PROTECTED]
> To: [EMAIL PROTECTED]
> Subject: Re: force snapshot
> Date: Fri, 11 Jan 2013 08:48:51 +0000
>
> If you have multiple machines in the ensemble you can restart one of the
> machine. When the follower restarts and join the quorum it will create a
> new snapshot that you can use to troubleshoot the problem.
>
> --
> Thawan Kooburat
>
>
>
>
>
> On 1/10/13 10:30 AM, "Dayal Dilli" <[EMAIL PROTECTED]> wrote:
>
> >Check out this link for information about SnapshotFormatter
> >
> >http://svn.apache.org/repos/asf/zookeeper/trunk/src/java/main/org/apache/z
> >ookeeper/server/SnapshotFormatter.java
> >
> >Dayal
> >________________________________________
> >From: S C [[EMAIL PROTECTED]]
> >Sent: Wednesday, January 09, 2013 5:37 PM
> >To: [EMAIL PROTECTED]
> >Subject: RE: force snapshot
> >
> >Thank you Dayal.
> >Where can I get more info on SnapshotFormatter?
> >Thanks,SC
> >
> >> From: [EMAIL PROTECTED]
> >> To: [EMAIL PROTECTED]
> >> Subject: RE: force snapshot
> >> Date: Wed, 9 Jan 2013 18:18:17 +0000
> >>
> >> Your understanding is correct. snapCount is a system property with
> >>default value is 100,000. You can also set it in the zookeeper
> >>configuration file (conf/zoo.cfg) by using the parameter "snapCount".
> >>
> >> I don't understand exactly what you mean by adhoc snapshot. From my
> >>understanding, if you want to take a snapshot early/more frequently
> >>reduce the value of snapCount. Also, you can use SnapshotFormatter to
> >>get the data in snapshot in plain text and analyze it.
> >>
> >> Dayal
> >> ________________________________________
> >> From: S C [[EMAIL PROTECTED]]
> >> Sent: Wednesday, January 09, 2013 1:00 PM
> >> To: [EMAIL PROTECTED]
> >> Subject: RE: force snapshot
> >>
> >> Dayal,
> >> I believe you pointed the threshold. Thank you. Is there a way to take
> >>an adhoc snapshot for troubleshooting / analysis of any issues?
> >> Upon looking for snapCount, I came across "zookeeper.snapCount" a
> >>system property with default value of 100,000.  Is my understanding
> >>correct?
> >>
> >> Thanks,SC
> >>
> >> > From: [EMAIL PROTECTED]
> >> > To: [EMAIL PROTECTED]
> >> > Subject: RE: force snapshot
> >> > Date: Tue, 8 Jan 2013 14:35:02 +0000
> >> >
> >> > Change the value of snapCount in conf/zoo.cfg
> >> >
> >> > The default is 10,000.
> >> > ________________________________________
> >> > From: challa asf [[EMAIL PROTECTED]]
> >> > Sent: Monday, January 07, 2013 5:20 PM
> >> > To: [EMAIL PROTECTED]
> >> > Subject: force snapshot
> >> >
> >> > I am new to Zookeeper. Couple of questions.
> >> > What is the threshold before ZK takes a snapshot?Is there a way to
> >>force ZK to snapshot for troubleshooting or for any Operational reasons?
> >> > Thanks,Challa
> >> >
> >>
> >
>