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MQSeries.net Forum Index » General IBM MQ Support » MQ mgr restart

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kumarbai
PostPosted: Mon Jun 16, 2014 1:47 am    Post subject: MQ mgr restart Reply with quote

Apprentice

Joined: 24 May 2013
Posts: 45

Does changing the MAXUMSGS setting on MQ Queue manager requires a restart of Q manager?
Few say it does not require any restart. Can anyone help as we dont have other test environments to verify this.
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fjb_saper
PostPosted: Mon Jun 16, 2014 5:12 am    Post subject: Re: MQ mgr restart Reply with quote

Grand High Poobah

Joined: 18 Nov 2003
Posts: 20696
Location: LI,NY

kumarbai wrote:
Does changing the MAXUMSGS setting on MQ Queue manager requires a restart of Q manager?
Few say it does not require any restart. Can anyone help as we dont have other test environments to verify this.


Go with the assumption that it does...
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hughson
PostPosted: Tue Jun 17, 2014 2:56 am    Post subject: Re: MQ mgr restart Reply with quote

Padawan

Joined: 09 May 2013
Posts: 1914
Location: Bay of Plenty, New Zealand

kumarbai wrote:
Does changing the MAXUMSGS setting on MQ Queue manager requires a restart of Q manager?
Few say it does not require any restart. Can anyone help as we dont have other test environments to verify this.
You asked the same question here too. I have already replied on that forum to confirm that it is immediate and does not require a queue manager restart.

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Morag
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mqjeff
PostPosted: Tue Jun 17, 2014 6:07 am    Post subject: Re: MQ mgr restart Reply with quote

Grand Master

Joined: 25 Jun 2008
Posts: 17447

hughson wrote:
kumarbai wrote:
Does changing the MAXUMSGS setting on MQ Queue manager requires a restart of Q manager?
Few say it does not require any restart. Can anyone help as we dont have other test environments to verify this.
You asked the same question here too. I have already replied on that forum to confirm that it is immediate and does not require a queue manager restart.


Somehow, I doubt it affects existing transactions. But perhaps I'm wrong on that.
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bruce2359
PostPosted: Tue Jun 17, 2014 6:09 am    Post subject: Re: MQ mgr restart Reply with quote

Poobah

Joined: 05 Jan 2008
Posts: 9394
Location: US: west coast, almost. Otherwise, enroute.

mqjeff wrote:
Somehow, I doubt it affects existing transactions. But perhaps I'm wrong on that.

I'd have thought it would be like maxqdepth, which does affect existing (in-flight) transactions.
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hughson
PostPosted: Tue Jun 17, 2014 6:14 am    Post subject: Re: MQ mgr restart Reply with quote

Padawan

Joined: 09 May 2013
Posts: 1914
Location: Bay of Plenty, New Zealand

bruce2359 wrote:
mqjeff wrote:
Somehow, I doubt it affects existing transactions. But perhaps I'm wrong on that.

I'd have thought it would be like maxqdepth, which does affect existing (in-flight) transactions.

When the queue manager starts a transaction it stores the current value of MAXUMSGS in the transaction header, so a change in this value doesn't affect inflight transactions.

Cheers
Morag
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Last edited by hughson on Tue Jun 17, 2014 7:08 am; edited 1 time in total
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bruce2359
PostPosted: Tue Jun 17, 2014 7:04 am    Post subject: Reply with quote

Poobah

Joined: 05 Jan 2008
Posts: 9394
Location: US: west coast, almost. Otherwise, enroute.

I learn something new every day.
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