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Posted to issues@trafficserver.apache.org by "Igor Galić (JIRA)" <ji...@apache.org> on 2012/12/03 23:33:58 UTC
[jira] [Created] (TS-1609) Traffic Cop doesn't wait() for its
children
Igor Galić created TS-1609:
------------------------------
Summary: Traffic Cop doesn't wait() for its children
Key: TS-1609
URL: https://issues.apache.org/jira/browse/TS-1609
Project: Traffic Server
Issue Type: Bug
Reporter: Igor Galić
When {{traffic_cop}} is killed by a supervising process it doesn't wait() for its children.
This can lead to race conditions where traffic cop is killed, for instance by {{upstart}}, and then started again, while a {{traffic_manager}} and {{traffic_server}} are still running.
n.b.: This does not happen on Solaris, where SMF kills off processes running in the same contract(4)
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[jira] [Updated] (TS-1609) Traffic Cop doesn't wait() for its
children
Posted by "Igor Galić (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/TS-1609?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Igor Galić updated TS-1609:
---------------------------
Environment: Linux and possibly FreeBSD
> Traffic Cop doesn't wait() for its children
> -------------------------------------------
>
> Key: TS-1609
> URL: https://issues.apache.org/jira/browse/TS-1609
> Project: Traffic Server
> Issue Type: Bug
> Environment: Linux and possibly FreeBSD
> Reporter: Igor Galić
> Assignee: Igor Galić
>
> When {{traffic_cop}} is killed by a supervising process it doesn't wait() for its children.
> This can lead to race conditions where traffic cop is killed, for instance by {{upstart}}, and then started again, while a {{traffic_manager}} and {{traffic_server}} are still running.
> n.b.: This does not happen on Solaris, where SMF kills off processes running in the same [contract(4)|http://illumos.org/man/4/contract].
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[jira] [Updated] (TS-1609) Traffic Cop doesn't wait() for its
children
Posted by "Igor Galić (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/TS-1609?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Igor Galić updated TS-1609:
---------------------------
Description:
When {{traffic_cop}} is killed by a supervising process it doesn't wait() for its children.
This can lead to race conditions where traffic cop is killed, for instance by {{upstart}}, and then started again, while a {{traffic_manager}} and {{traffic_server}} are still running.
n.b.: This does not happen on Solaris, where SMF kills off all processes running in the same [contract(4)|http://illumos.org/man/4/contract].
was:
When {{traffic_cop}} is killed by a supervising process it doesn't wait() for its children.
This can lead to race conditions where traffic cop is killed, for instance by {{upstart}}, and then started again, while a {{traffic_manager}} and {{traffic_server}} are still running.
n.b.: This does not happen on Solaris, where SMF kills off processes running in the same [contract(4)|http://illumos.org/man/4/contract].
> Traffic Cop doesn't wait() for its children
> -------------------------------------------
>
> Key: TS-1609
> URL: https://issues.apache.org/jira/browse/TS-1609
> Project: Traffic Server
> Issue Type: Bug
> Environment: Linux and possibly FreeBSD
> Reporter: Igor Galić
> Assignee: Igor Galić
>
> When {{traffic_cop}} is killed by a supervising process it doesn't wait() for its children.
> This can lead to race conditions where traffic cop is killed, for instance by {{upstart}}, and then started again, while a {{traffic_manager}} and {{traffic_server}} are still running.
> n.b.: This does not happen on Solaris, where SMF kills off all processes running in the same [contract(4)|http://illumos.org/man/4/contract].
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[jira] [Updated] (TS-1609) Traffic Cop doesn't wait() for its
children
Posted by "Igor Galić (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/TS-1609?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Igor Galić updated TS-1609:
---------------------------
Description:
When {{traffic_cop}} is killed by a supervising process it doesn't wait() for its children.
This can lead to race conditions where traffic cop is killed, for instance by {{upstart}}, and then started again, while a {{traffic_manager}} and {{traffic_server}} are still running.
n.b.: This does not happen on Solaris, where SMF kills off processes running in the same [contract(4)|http://illumos.org/man/4/contract].
was:
When {{traffic_cop}} is killed by a supervising process it doesn't wait() for its children.
This can lead to race conditions where traffic cop is killed, for instance by {{upstart}}, and then started again, while a {{traffic_manager}} and {{traffic_server}} are still running.
n.b.: This does not happen on Solaris, where SMF kills off processes running in the same contract(4)
> Traffic Cop doesn't wait() for its children
> -------------------------------------------
>
> Key: TS-1609
> URL: https://issues.apache.org/jira/browse/TS-1609
> Project: Traffic Server
> Issue Type: Bug
> Reporter: Igor Galić
>
> When {{traffic_cop}} is killed by a supervising process it doesn't wait() for its children.
> This can lead to race conditions where traffic cop is killed, for instance by {{upstart}}, and then started again, while a {{traffic_manager}} and {{traffic_server}} are still running.
> n.b.: This does not happen on Solaris, where SMF kills off processes running in the same [contract(4)|http://illumos.org/man/4/contract].
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[jira] [Assigned] (TS-1609) Traffic Cop doesn't wait() for its
children
Posted by "Igor Galić (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/TS-1609?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Igor Galić reassigned TS-1609:
------------------------------
Assignee: Igor Galić
> Traffic Cop doesn't wait() for its children
> -------------------------------------------
>
> Key: TS-1609
> URL: https://issues.apache.org/jira/browse/TS-1609
> Project: Traffic Server
> Issue Type: Bug
> Reporter: Igor Galić
> Assignee: Igor Galić
>
> When {{traffic_cop}} is killed by a supervising process it doesn't wait() for its children.
> This can lead to race conditions where traffic cop is killed, for instance by {{upstart}}, and then started again, while a {{traffic_manager}} and {{traffic_server}} are still running.
> n.b.: This does not happen on Solaris, where SMF kills off processes running in the same [contract(4)|http://illumos.org/man/4/contract].
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[jira] [Commented] (TS-1609) Traffic Cop doesn't wait() for its
children
Posted by "Igor Galić (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/TS-1609?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13509252#comment-13509252 ]
Igor Galić commented on TS-1609:
--------------------------------
I propose the following patchset, and kindly ask for your test/review:
https://github.com/igalic/trafficserver/tree/sig_term
https://github.com/igalic/trafficserver/tree/3.2.x-sig
Those are rebased against the current master and 3.2.x branches respectively.
> Traffic Cop doesn't wait() for its children
> -------------------------------------------
>
> Key: TS-1609
> URL: https://issues.apache.org/jira/browse/TS-1609
> Project: Traffic Server
> Issue Type: Bug
> Environment: Linux and possibly FreeBSD
> Reporter: Igor Galić
> Assignee: Igor Galić
>
> When {{traffic_cop}} is killed by a supervising process it doesn't wait() for its children.
> This can lead to race conditions where traffic cop is killed, for instance by {{upstart}}, and then started again, while a {{traffic_manager}} and {{traffic_server}} are still running.
> n.b.: This does not happen on Solaris, where SMF kills off processes running in the same [contract(4)|http://illumos.org/man/4/contract].
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