mod_cluster-issues July 2014

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[JBoss JIRA] (MODCLUSTER-235) Support hot-standby worker nodes

by RH Bugzilla Integration (JIRA)

[ https://issues.jboss.org/browse/MODCLUSTER-235?page=com.atlassian.jira.pl... ] RH Bugzilla Integration commented on MODCLUSTER-235: ---------------------------------------------------- Vladimir Dosoudil <dosoudil(a)redhat.com> changed the Status of [bug 987259|https://bugzilla.redhat.com/show_bug.cgi?id=987259] from MODIFIED to ON_QA > Support hot-standby worker nodes > -------------------------------- > > Key: MODCLUSTER-235 > URL: https://issues.jboss.org/browse/MODCLUSTER-235 > Project: mod_cluster > Issue Type: Feature Request > Security Level: Public(Everyone can see) > Affects Versions: 1.1.2.Final > Reporter: Samuel Mendenhall > Assignee: Jean-Frederic Clere > > Like in mod_proxy and mod_jk, mod_cluster should support the ability to keep a worker node in hot-standby. -- This message was sent by Atlassian JIRA (v6.2.6#6264)

9 years, 9 months

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[JBoss JIRA] (MODCLUSTER-235) Support hot-standby worker nodes

by RH Bugzilla Integration (JIRA)

[ https://issues.jboss.org/browse/MODCLUSTER-235?page=com.atlassian.jira.pl... ] RH Bugzilla Integration commented on MODCLUSTER-235: ---------------------------------------------------- Michal Babacek <mbabacek(a)redhat.com> changed the Status of [bug 987259|https://bugzilla.redhat.com/show_bug.cgi?id=987259] from ASSIGNED to MODIFIED > Support hot-standby worker nodes > -------------------------------- > > Key: MODCLUSTER-235 > URL: https://issues.jboss.org/browse/MODCLUSTER-235 > Project: mod_cluster > Issue Type: Feature Request > Security Level: Public(Everyone can see) > Affects Versions: 1.1.2.Final > Reporter: Samuel Mendenhall > Assignee: Jean-Frederic Clere > > Like in mod_proxy and mod_jk, mod_cluster should support the ability to keep a worker node in hot-standby. -- This message was sent by Atlassian JIRA (v6.2.6#6264)

9 years, 9 months

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[JBoss JIRA] (MODCLUSTER-391) mod_cluster and mod_proxy integration

by RH Bugzilla Integration (JIRA)

[ https://issues.jboss.org/browse/MODCLUSTER-391?page=com.atlassian.jira.pl... ] RH Bugzilla Integration commented on MODCLUSTER-391: ---------------------------------------------------- Michal Babacek <mbabacek(a)redhat.com> changed the Status of [bug 987259|https://bugzilla.redhat.com/show_bug.cgi?id=987259] from ASSIGNED to MODIFIED > mod_cluster and mod_proxy integration > ------------------------------------- > > Key: MODCLUSTER-391 > URL: https://issues.jboss.org/browse/MODCLUSTER-391 > Project: mod_cluster > Issue Type: Bug > Security Level: Public(Everyone can see) > Affects Versions: 1.2.6.Final > Environment: All platforms we build mod_cluster for. > Reporter: Michal Babacek > Assignee: Jean-Frederic Clere > Labels: native_libraries > Fix For: 1.3.1.Final, 1.2.10.Final > > Attachments: error_log, mod_cluster.conf, mod_proxy.conf, standalone-ha.xml > > > This Jira encapsulates all concerns regarding mod_cluster - mod_proxy integration. For instance, while basic {{ProxyPass}} settings work just fine, e.g. serving some files on {{/static}} from the Apache HTTP itself: > {code} > ProxyPassMatch ^/static/ ! > ProxyPass / balancer://qacluster stickysession=JSESSIONID|jsessionid nofailover=on > ProxyPassReverse / balancer://qacluster > ProxyPreserveHost on > {code} > there are more complex setups, involving {{BalancerMember}} configurations, that do not work as expected. In the following example, one wanted to have {{/clusterbench}} application managed by mod_cluster, dynamically, while at the same time, in a different VirtualHost, having {{/tses}} application handled by manually created mod_proxy balancer settings. > Attached [^mod_cluster.conf], [^mod_proxy.conf], [^standalone-ha.xml](modcluster subsystem element only) and [^error_log]. > The aforementioned setup resulted in: > |HTTP 200|(From worker)|http://10.16.88.19:8847/clusterbench/requestinfo/|OK|(/)| > |HTTP 404|(From httpd)|http://10.16.88.19:8847/tses/session.jsp|Expected fail|(/)| > |HTTP 503|(From httpd)|http://10.16.88.19:2182/tses/session.jsp|Unexpected fail|(x)| -- This message was sent by Atlassian JIRA (v6.2.6#6264)

9 years, 9 months

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[JBoss JIRA] (MODCLUSTER-407) worker-timeout can cause httpd thread stalls

by RH Bugzilla Integration (JIRA)

[ https://issues.jboss.org/browse/MODCLUSTER-407?page=com.atlassian.jira.pl... ] RH Bugzilla Integration commented on MODCLUSTER-407: ---------------------------------------------------- Michal Babacek <mbabacek(a)redhat.com> changed the Status of [bug 1098564|https://bugzilla.redhat.com/show_bug.cgi?id=1098564] from NEW to ON_QA > worker-timeout can cause httpd thread stalls > -------------------------------------------- > > Key: MODCLUSTER-407 > URL: https://issues.jboss.org/browse/MODCLUSTER-407 > Project: mod_cluster > Issue Type: Bug > Security Level: Public(Everyone can see) > Affects Versions: 1.2.8.Final > Reporter: Aaron Ogburn > Assignee: Jean-Frederic Clere > Fix For: 1.3.1.Final, 1.2.9.Final > > > Setting a modcluster worker-timeout can stall requests and threads on the httpd side when the requests are received with workers in a down state. A stack of the problem thread looks like the following (recursive loops through mod_proxy_cluster from #160 to #2): > #0 0x00007ff8eb547533 in select () from /lib64/libc.so.6 > #1 0x00007ff8eba39185 in apr_sleep () from /usr/lib64/libapr-1.so.0 > #2 0x00007ff8e84be0d1 in ?? () from /etc/httpd/modules/mod_proxy_cluster.so > ... > #160 0x00007ff8e84beb9f in ?? () from /etc/httpd/modules/mod_proxy_cluster.so > #161 0x00007ff8e88d2116 in proxy_run_pre_request () from /etc/httpd/modules/mod_proxy.so > #162 0x00007ff8e88d9186 in ap_proxy_pre_request () from /etc/httpd/modules/mod_proxy.so > #163 0x00007ff8e88d63c2 in ?? () from /etc/httpd/modules/mod_proxy.so -- This message was sent by Atlassian JIRA (v6.2.6#6264)

9 years, 9 months

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mod_cluster-issues July 2014