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| TCP Keeaplive Configuration |
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| tczielke |
 Posted: Wed Jul 31, 2019 12:50 pm Post subject: TCP Keeaplive Configuration |
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Guardian
Joined: 08 Jul 2010
Posts: 941
Location: Illinois, USA
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I asked the following in an IBM MQ PMR, but was curious if anyone on the forum knows the answer.
| Quote: |
I know in the IBM MQ manual there is a way to turn on TCP keeaplive by using the TCP stanza in the qm.ini and specifying Keeaplive=yes. On Linux, this will then cause the channel socket that MQ creates to turn on keepalive and leverage the operating system settings for keepalive:
OS Example:
net.ipv4.tcp_keepalive_time = 900
net.ipv4.tcp_keepalive_probes = 5
net.ipv4.tcp_keepalive_intvl = 15
However, with socket programming, I know there is also a way to override those OS settings when you turn on keepalive. So are there other qm.ini keepalive settings that can be specified so that IBM MQ not only turns on TCP keepalive, but also allows the tcp_keepalive_time to be overridden to another setting for the socket that is created?
For example, I would like IBM MQ to turn on keepalive and change the tcp_keepalive_time to be 600 seconds, instead of the OS default of 900. |
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Working with MQ since 2010. |
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| gbaddeley |
| Posted: Wed Jul 31, 2019 4:13 pm Post subject: |
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Jedi Knight
Joined: 25 Mar 2003
Posts: 2538
Location: Melbourne, Australia
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| tczielke |
| Posted: Wed Jul 31, 2019 6:30 pm Post subject: |
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Guardian
Joined: 08 Jul 2010
Posts: 941
Location: Illinois, USA
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Thanks for the link. It does sound like it is not supported on multi-platforms.
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