12:58 p.m.
Multiple leaves are not handled correctly with DIST
----------------------------------------------------
Key: ISPN-1077
URL: https://issues.jboss.org/browse/ISPN-1077
Project: Infinispan
Issue Type: Bug
Components: Distributed Cache
Affects Versions: 4.2.0.Final
Reporter: Mircea Markus
Assignee: Manik Surtani
Fix For: 4.2.2.FINAL, 5.0.0.FINAL
When multiple caches are leaving at the same time(i.e. the diff between jgroups views is
more than one address), Infinispan ends up with an inconsistent hash function: it is aware
about nodes that are no longer present in the cluster.
The root cause of the problem is in DistributionManagerImpl.rehash(...):
- the list of leavers is determined as follows:
Address leaver = MembershipArithmetic.getMemberLeft(oldMembers, newMembers);
- this method always assumes a single leaver, but there can be many.
Unit test attached.
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12:58 p.m.
New subject: [JBoss JIRA] Updated: (ISPN-1077) Multiple leaves are not handled correctly with DIST
[
https://issues.jboss.org/browse/ISPN-1077?page=com.atlassian.jira.plugin....
]
Mircea Markus updated ISPN-1077:
--------------------------------
Affects Version/s: 4.2.1.FINAL
(was: 4.2.0.Final)
Multiple leaves are not handled correctly with DIST
----------------------------------------------------
Key: ISPN-1077
URL: https://issues.jboss.org/browse/ISPN-1077
Project: Infinispan
Issue Type: Bug
Components: Distributed Cache
Affects Versions: 4.2.1.FINAL
Reporter: Mircea Markus
Assignee: Manik Surtani
Fix For: 4.2.2.FINAL, 5.0.0.FINAL
When multiple caches are leaving at the same time(i.e. the diff between jgroups views is
more than one address), Infinispan ends up with an inconsistent hash function: it is aware
about nodes that are no longer present in the cluster.
The root cause of the problem is in DistributionManagerImpl.rehash(...):
- the list of leavers is determined as follows:
Address leaver = MembershipArithmetic.getMemberLeft(oldMembers, newMembers);
- this method always assumes a single leaver, but there can be many.
Unit test attached.
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1 p.m.
New subject: [JBoss JIRA] Updated: (ISPN-1077) Multiple leaves are not handled correctly with DIST
[
https://issues.jboss.org/browse/ISPN-1077?page=com.atlassian.jira.plugin....
]
Mircea Markus updated ISPN-1077:
--------------------------------
Attachment: MultipleNodesLeavingTest.java
Multiple leaves are not handled correctly with DIST
----------------------------------------------------
Key: ISPN-1077
URL: https://issues.jboss.org/browse/ISPN-1077
Project: Infinispan
Issue Type: Bug
Components: Distributed Cache
Affects Versions: 4.2.1.FINAL
Reporter: Mircea Markus
Assignee: Manik Surtani
Fix For: 4.2.2.FINAL, 5.0.0.FINAL
Attachments: MultipleNodesLeavingTest.java
When multiple caches are leaving at the same time(i.e. the diff between jgroups views is
more than one address), Infinispan ends up with an inconsistent hash function: it is aware
about nodes that are no longer present in the cluster.
The root cause of the problem is in DistributionManagerImpl.rehash(...):
- the list of leavers is determined as follows:
Address leaver = MembershipArithmetic.getMemberLeft(oldMembers, newMembers);
- this method always assumes a single leaver, but there can be many.
Unit test attached.
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5:15 a.m.
New subject: [JBoss JIRA] Assigned: (ISPN-1077) Multiple leaves are not handled correctly with DIST
[
https://issues.jboss.org/browse/ISPN-1077?page=com.atlassian.jira.plugin....
]
Mircea Markus reassigned ISPN-1077:
-----------------------------------
Assignee: Mircea Markus (was: Manik Surtani)
Multiple leaves are not handled correctly with DIST
----------------------------------------------------
Key: ISPN-1077
URL: https://issues.jboss.org/browse/ISPN-1077
Project: Infinispan
Issue Type: Bug
Components: Distributed Cache
Affects Versions: 4.2.1.FINAL
Reporter: Mircea Markus
Assignee: Mircea Markus
Fix For: 4.2.2.FINAL, 5.0.0.FINAL
Attachments: MultipleNodesLeavingTest.java
When multiple caches are leaving at the same time(i.e. the diff between jgroups views is
more than one address), Infinispan ends up with an inconsistent hash function: it is aware
about nodes that are no longer present in the cluster.
The root cause of the problem is in DistributionManagerImpl.rehash(...):
- the list of leavers is determined as follows:
Address leaver = MembershipArithmetic.getMemberLeft(oldMembers, newMembers);
- this method always assumes a single leaver, but there can be many.
Unit test attached.
--
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5:20 a.m.
New subject: [JBoss JIRA] Commented: (ISPN-1077) Multiple leaves are not handled correctly with DIST
[
https://issues.jboss.org/browse/ISPN-1077?page=com.atlassian.jira.plugin....
]
Mircea Markus commented on ISPN-1077:
-------------------------------------
More things after looking at the code:
DistributionManagerImpl.rehash doesn't handle the leave of multiple nodes well even if
the notification is done once per leaver:
- if there's an InvertedLeaveTask running then it is canceled
- the list of leavers is then updated to also include the new leaver
- the stateProviders and receiversOfLeaverState is calculated based on the last leaver
only - it should be calculated based on the entire set of leavers
Multiple leaves are not handled correctly with DIST
----------------------------------------------------
Key: ISPN-1077
URL: https://issues.jboss.org/browse/ISPN-1077
Project: Infinispan
Issue Type: Bug
Components: Distributed Cache
Affects Versions: 4.2.1.FINAL
Reporter: Mircea Markus
Assignee: Mircea Markus
Fix For: 4.2.2.FINAL, 5.0.0.FINAL
Attachments: MultipleNodesLeavingTest.java
When multiple caches are leaving at the same time(i.e. the diff between jgroups views is
more than one address), Infinispan ends up with an inconsistent hash function: it is aware
about nodes that are no longer present in the cluster.
The root cause of the problem is in DistributionManagerImpl.rehash(...):
- the list of leavers is determined as follows:
Address leaver = MembershipArithmetic.getMemberLeft(oldMembers, newMembers);
- this method always assumes a single leaver, but there can be many.
Unit test attached.
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5:22 a.m.
New subject: [JBoss JIRA] Commented: (ISPN-1077) Multiple leaves are not handled correctly with DIST
[
https://issues.jboss.org/browse/ISPN-1077?page=com.atlassian.jira.plugin....
]
Mircea Markus commented on ISPN-1077:
-------------------------------------
ISPN-1000 will solve this issue as well, but only on 5.x branch.
Multiple leaves are not handled correctly with DIST
----------------------------------------------------
Key: ISPN-1077
URL: https://issues.jboss.org/browse/ISPN-1077
Project: Infinispan
Issue Type: Bug
Components: Distributed Cache
Affects Versions: 4.2.1.FINAL
Reporter: Mircea Markus
Assignee: Mircea Markus
Fix For: 4.2.2.FINAL, 5.0.0.FINAL
Attachments: MultipleNodesLeavingTest.java
When multiple caches are leaving at the same time(i.e. the diff between jgroups views is
more than one address), Infinispan ends up with an inconsistent hash function: it is aware
about nodes that are no longer present in the cluster.
The root cause of the problem is in DistributionManagerImpl.rehash(...):
- the list of leavers is determined as follows:
Address leaver = MembershipArithmetic.getMemberLeft(oldMembers, newMembers);
- this method always assumes a single leaver, but there can be many.
Unit test attached.
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7:28 a.m.
New subject: [JBoss JIRA] Commented: (ISPN-1077) Multiple leaves are not handled correctly with DIST
[
https://issues.jboss.org/browse/ISPN-1077?page=com.atlassian.jira.plugin....
]
Mircea Markus commented on ISPN-1077:
-------------------------------------
As this will be handled in 5.0 by rewriting rehashing (ISPN-1000), do we want to add a fix
for 4.2 as well or just specify this limitation: multiple nodes leaving is not supported.
Multiple leaves are not handled correctly with DIST
----------------------------------------------------
Key: ISPN-1077
URL: https://issues.jboss.org/browse/ISPN-1077
Project: Infinispan
Issue Type: Bug
Components: Distributed Cache
Affects Versions: 4.2.1.FINAL
Reporter: Mircea Markus
Assignee: Mircea Markus
Fix For: 4.2.2.FINAL, 5.0.0.FINAL
Attachments: MultipleNodesLeavingTest.java
When multiple caches are leaving at the same time(i.e. the diff between jgroups views is
more than one address), Infinispan ends up with an inconsistent hash function: it is aware
about nodes that are no longer present in the cluster.
The root cause of the problem is in DistributionManagerImpl.rehash(...):
- the list of leavers is determined as follows:
Address leaver = MembershipArithmetic.getMemberLeft(oldMembers, newMembers);
- this method always assumes a single leaver, but there can be many.
Unit test attached.
--
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11:02 a.m.
New subject: [JBoss JIRA] Updated: (ISPN-1077) Multiple leaves are not handled correctly with DIST
[
https://issues.jboss.org/browse/ISPN-1077?page=com.atlassian.jira.plugin....
]
Manik Surtani updated ISPN-1077:
--------------------------------
Fix Version/s: (was: 5.0.0.FINAL)
Complexity: High
Multiple leaves are not handled correctly with DIST
----------------------------------------------------
Key: ISPN-1077
URL: https://issues.jboss.org/browse/ISPN-1077
Project: Infinispan
Issue Type: Bug
Components: Distributed Cache
Affects Versions: 4.2.1.FINAL
Reporter: Mircea Markus
Assignee: Mircea Markus
Fix For: 4.2.2.FINAL
Attachments: MultipleNodesLeavingTest.java
When multiple caches are leaving at the same time(i.e. the diff between jgroups views is
more than one address), Infinispan ends up with an inconsistent hash function: it is aware
about nodes that are no longer present in the cluster.
The root cause of the problem is in DistributionManagerImpl.rehash(...):
- the list of leavers is determined as follows:
Address leaver = MembershipArithmetic.getMemberLeft(oldMembers, newMembers);
- this method always assumes a single leaver, but there can be many.
Unit test attached.
--
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9:55 a.m.
New subject: [JBoss JIRA] Updated: (ISPN-1077) Multiple leaves are not handled correctly with DIST
[
https://issues.jboss.org/browse/ISPN-1077?page=com.atlassian.jira.plugin....
]
Mircea Markus updated ISPN-1077:
--------------------------------
Assignee: Dan Berindei (was: Mircea Markus)
Fix Version/s: 5.0.0.CR2
5.0.0.FINAL
(was: 4.2.2.FINAL)
Multiple leaves are not handled correctly with DIST
----------------------------------------------------
Key: ISPN-1077
URL: https://issues.jboss.org/browse/ISPN-1077
Project: Infinispan
Issue Type: Bug
Components: Distributed Cache
Affects Versions: 4.2.1.FINAL
Reporter: Mircea Markus
Assignee: Dan Berindei
Fix For: 5.0.0.CR2, 5.0.0.FINAL
Attachments: MultipleNodesLeavingTest.java
When multiple caches are leaving at the same time(i.e. the diff between jgroups views is
more than one address), Infinispan ends up with an inconsistent hash function: it is aware
about nodes that are no longer present in the cluster.
The root cause of the problem is in DistributionManagerImpl.rehash(...):
- the list of leavers is determined as follows:
Address leaver = MembershipArithmetic.getMemberLeft(oldMembers, newMembers);
- this method always assumes a single leaver, but there can be many.
Unit test attached.
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9:57 a.m.
New subject: [JBoss JIRA] Commented: (ISPN-1077) Multiple leaves are not handled correctly with DIST
[
https://issues.jboss.org/browse/ISPN-1077?page=com.atlassian.jira.plugin....
]
Mircea Markus commented on ISPN-1077:
-------------------------------------
As discussed on the weekly meeting this won't be fixed in the 4.2 branch. Please also
update doc to state this limitation for 4.2.
Multiple leaves are not handled correctly with DIST
----------------------------------------------------
Key: ISPN-1077
URL: https://issues.jboss.org/browse/ISPN-1077
Project: Infinispan
Issue Type: Bug
Components: Distributed Cache
Affects Versions: 4.2.1.FINAL
Reporter: Mircea Markus
Assignee: Dan Berindei
Fix For: 5.0.0.CR2, 5.0.0.FINAL
Attachments: MultipleNodesLeavingTest.java
When multiple caches are leaving at the same time(i.e. the diff between jgroups views is
more than one address), Infinispan ends up with an inconsistent hash function: it is aware
about nodes that are no longer present in the cluster.
The root cause of the problem is in DistributionManagerImpl.rehash(...):
- the list of leavers is determined as follows:
Address leaver = MembershipArithmetic.getMemberLeft(oldMembers, newMembers);
- this method always assumes a single leaver, but there can be many.
Unit test attached.
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5:59 p.m.
New subject: [JBoss JIRA] Updated: (ISPN-1077) Multiple leaves are not handled correctly with DIST
[
https://issues.jboss.org/browse/ISPN-1077?page=com.atlassian.jira.plugin....
]
Manik Surtani updated ISPN-1077:
--------------------------------
Fix Version/s: 5.0.0.CR3
(was: 5.0.0.CR2)
Multiple leaves are not handled correctly with DIST
----------------------------------------------------
Key: ISPN-1077
URL: https://issues.jboss.org/browse/ISPN-1077
Project: Infinispan
Issue Type: Bug
Components: Distributed Cache
Affects Versions: 4.2.1.FINAL
Reporter: Mircea Markus
Assignee: Dan Berindei
Fix For: 5.0.0.CR3, 5.0.0.FINAL
Attachments: MultipleNodesLeavingTest.java
When multiple caches are leaving at the same time(i.e. the diff between jgroups views is
more than one address), Infinispan ends up with an inconsistent hash function: it is aware
about nodes that are no longer present in the cluster.
The root cause of the problem is in DistributionManagerImpl.rehash(...):
- the list of leavers is determined as follows:
Address leaver = MembershipArithmetic.getMemberLeft(oldMembers, newMembers);
- this method always assumes a single leaver, but there can be many.
Unit test attached.
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4:09 a.m.
New subject: [JBoss JIRA] Updated: (ISPN-1077) Multiple leaves are not handled correctly with DIST
[
https://issues.jboss.org/browse/ISPN-1077?page=com.atlassian.jira.plugin....
]
Manik Surtani updated ISPN-1077:
--------------------------------
Fix Version/s: 5.0.0.CR4
(was: 5.0.0.CR3)
Multiple leaves are not handled correctly with DIST
----------------------------------------------------
Key: ISPN-1077
URL: https://issues.jboss.org/browse/ISPN-1077
Project: Infinispan
Issue Type: Bug
Components: Distributed Cache
Affects Versions: 4.2.1.FINAL
Reporter: Mircea Markus
Assignee: Dan Berindei
Fix For: 5.0.0.CR4, 5.0.0.FINAL
Attachments: MultipleNodesLeavingTest.java
When multiple caches are leaving at the same time(i.e. the diff between jgroups views is
more than one address), Infinispan ends up with an inconsistent hash function: it is aware
about nodes that are no longer present in the cluster.
The root cause of the problem is in DistributionManagerImpl.rehash(...):
- the list of leavers is determined as follows:
Address leaver = MembershipArithmetic.getMemberLeft(oldMembers, newMembers);
- this method always assumes a single leaver, but there can be many.
Unit test attached.
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2:52 a.m.
New subject: [JBoss JIRA] Resolved: (ISPN-1077) Multiple leaves are not handled correctly with DIST
[
https://issues.jboss.org/browse/ISPN-1077?page=com.atlassian.jira.plugin....
]
Dan Berindei resolved ISPN-1077.
--------------------------------
Resolution: Done
Fixed by ISPN-1000, I added the attached test to the core test suite and it passes.
Multiple leaves are not handled correctly with DIST
----------------------------------------------------
Key: ISPN-1077
URL: https://issues.jboss.org/browse/ISPN-1077
Project: Infinispan
Issue Type: Bug
Components: Distributed Cache
Affects Versions: 4.2.1.FINAL
Reporter: Mircea Markus
Assignee: Dan Berindei
Fix For: 5.0.0.CR4, 5.0.0.FINAL
Attachments: MultipleNodesLeavingTest.java
When multiple caches are leaving at the same time(i.e. the diff between jgroups views is
more than one address), Infinispan ends up with an inconsistent hash function: it is aware
about nodes that are no longer present in the cluster.
The root cause of the problem is in DistributionManagerImpl.rehash(...):
- the list of leavers is determined as follows:
Address leaver = MembershipArithmetic.getMemberLeft(oldMembers, newMembers);
- this method always assumes a single leaver, but there can be many.
Unit test attached.
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12 comments
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participants (3)
-
Dan Berindei (JIRA) -
Manik Surtani (JIRA)
-
Mircea Markus (JIRA)