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Posted to notifications@zookeeper.apache.org by GitBox <gi...@apache.org> on 2021/09/01 07:10:43 UTC
[GitHub] [zookeeper] stop-coding opened a new pull request #1745: ZOOKEEPER-4352:inconsistent data, when minCommittedLog=0, only diff d…
stop-coding opened a new pull request #1745:
URL: https://github.com/apache/zookeeper/pull/1745
…ata send but not snapshots
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[GitHub] [zookeeper] stop-coding commented on pull request #1745: ZOOKEEPER-4352:inconsistent data, when minCommittedLog=0, only diff d…
Posted by GitBox <gi...@apache.org>.
stop-coding commented on pull request #1745:
URL: https://github.com/apache/zookeeper/pull/1745#issuecomment-994221490
> Also adding a test will help in understanding the problem
Logs and others on this issues.
issues link: [https://issues.apache.org/jira/browse/ZOOKEEPER-4352]
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[GitHub] [zookeeper] stop-coding edited a comment on pull request #1745: ZOOKEEPER-4352:inconsistent data, when minCommittedLog=0, only diff d…
Posted by GitBox <gi...@apache.org>.
stop-coding edited a comment on pull request #1745:
URL: https://github.com/apache/zookeeper/pull/1745#issuecomment-994221309
> * @stop-coding Thanks for your contribution.
> * How can we reproduce this issue? Do you observe the inconsistent data in the production? Finding a approach to reproduce this issue will give us a deeper understanding for this bug.
Yes, I have meet some times in scaling up of cluster with k8s.
The issue is that:
###Step 1 -- There is three node (named zk-1,zk-2,zk3) of cluster to scale up. First add zk-1 which would be leader, **_client write some data to zk-1_**. Then add zk-2 to cluster also OK, zk-2 will be follower and sync data from zk-1.
###Step 2 -- Before add zk-3, zk-1 have connect lost with zk-2, that would make elect leader again, then connection restored and _**zk-2 become leader**_.
###Step 3 -- On this time, zk-3 joins cluster at the same time, and sync data from zk-2. After that, I find zk-3 only get part of the data form zk-2. Some transaction log which write in zk-1 have lost on zk-3.But the lost data exist unexpectedly in zk-1 and zk-2.
Logs and others on this issues.
issues link: [https://issues.apache.org/jira/browse/ZOOKEEPER-4352](url)
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[GitHub] [zookeeper] stop-coding edited a comment on pull request #1745: ZOOKEEPER-4352:inconsistent data, when minCommittedLog=0, only diff d…
Posted by GitBox <gi...@apache.org>.
stop-coding edited a comment on pull request #1745:
URL: https://github.com/apache/zookeeper/pull/1745#issuecomment-994221309
> * @stop-coding Thanks for your contribution.
> * How can we reproduce this issue? Do you observe the inconsistent data in the production? Finding a approach to reproduce this issue will give us a deeper understanding for this bug.
Yes, I have meet some times in scaling up of cluster with k8s.
The issue is that:
###Step 1 -- There is three node (named zk-1,zk-2,zk3) of cluster to scale up. First add zk-1 which would be leader, **_client write some data to zk-1_**. Then add zk-2 to cluster also OK, zk-2 will be follower and sync data from zk-1.
###Step 2 -- Before add zk-3, zk-1 have connect lost with zk-2, that would make elect leader again, then connection restored and _**zk-2 become leader**_.
###Step 3 -- On this time, zk-3 joins cluster at the same time, and sync data from zk-2. After that, I find zk-3 only get part of the data form zk-2. Some transaction log which write in zk-1 have lost on zk-3.But the lost data exist unexpectedly in zk-1 and zk-2.
Logs and others on this issues.
issues link: [https://issues.apache.org/jira/browse/ZOOKEEPER-4352]
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[GitHub] [zookeeper] stop-coding edited a comment on pull request #1745: ZOOKEEPER-4352:inconsistent data, when minCommittedLog=0, only diff d…
Posted by GitBox <gi...@apache.org>.
stop-coding edited a comment on pull request #1745:
URL: https://github.com/apache/zookeeper/pull/1745#issuecomment-994221309
> * @stop-coding Thanks for your contribution.
> * How can we reproduce this issue? Do you observe the inconsistent data in the production? Finding a approach to reproduce this issue will give us a deeper understanding for this bug.
Yes, I have meet some times in scaling up of cluster with k8s.
The issue is that:
###Step 1 -- There is three node (named zk-1,zk-2,zk3) of cluster to scale up. First add zk-1 which would be leader, **_client write some data to zk-1_**. Then add zk-2 to cluster also OK, zk-2 will be follower and sync data from zk-1.
###Step 2 -- Before add zk-3, zk-1 have connect lost with zk-2, that would make elect leader again, then connection restored and _**zk-2 become leader**_.
###Step 3 -- On this time, zk-3 joins cluster at the same time, and sync data from zk-2. After that, I find zk-3 only get part of the data form zk-2. Some transaction log which write in zk-1 have lost on zk-3.But the lost data exist unexpectedly in zk-1 and zk-2.
Logs and others on this issues.
issues link: [](https://issues.apache.org/jira/browse/ZOOKEEPER-4352)
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[GitHub] [zookeeper] eolivelli commented on pull request #1745: ZOOKEEPER-4352:inconsistent data, when minCommittedLog=0, only diff d…
Posted by GitBox <gi...@apache.org>.
eolivelli commented on pull request #1745:
URL: https://github.com/apache/zookeeper/pull/1745#issuecomment-993422351
Also adding a test will help in understanding the problem
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[GitHub] [zookeeper] stop-coding commented on pull request #1745: ZOOKEEPER-4352:inconsistent data, when minCommittedLog=0, only diff d…
Posted by GitBox <gi...@apache.org>.
stop-coding commented on pull request #1745:
URL: https://github.com/apache/zookeeper/pull/1745#issuecomment-941855695
Hello Reviewers:
Is there a better solution？
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[GitHub] [zookeeper] stop-coding edited a comment on pull request #1745: ZOOKEEPER-4352:inconsistent data, when minCommittedLog=0, only diff d…
Posted by GitBox <gi...@apache.org>.
stop-coding edited a comment on pull request #1745:
URL: https://github.com/apache/zookeeper/pull/1745#issuecomment-994221309
> * @stop-coding Thanks for your contribution.
> * How can we reproduce this issue? Do you observe the inconsistent data in the production? Finding a approach to reproduce this issue will give us a deeper understanding for this bug.
Yes, I have meet some times in scaling up of cluster with k8s.
The issue is that:
- There is three node (named zk-1,zk-2,zk3) of cluster to scale up. First add zk-1 which would be leader, **_client write some data to zk-1_**. Then add zk-2 to cluster also OK, zk-2 will be follower and sync data from zk-1.
- Before add zk-3, zk-1 have connect lost with zk-2, that would make elect leader again, then connection restored and _**zk-2 become leader**_.
- On this time, zk-3 joins cluster at the same time, and sync data from zk-2. After that, I find zk-3 only get part of the data form zk-2. Some transaction log which write in zk-1 have lost on zk-3.But the lost data exist unexpectedly in zk-1 and zk-2.
Logs and others on this issues.
issues link: [https://issues.apache.org/jira/browse/ZOOKEEPER-4352](url)
--
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[GitHub] [zookeeper] stop-coding commented on pull request #1745: ZOOKEEPER-4352:inconsistent data, when minCommittedLog=0, only diff d…
Posted by GitBox <gi...@apache.org>.
stop-coding commented on pull request #1745:
URL: https://github.com/apache/zookeeper/pull/1745#issuecomment-994221309
> * @stop-coding Thanks for your contribution.
> * How can we reproduce this issue? Do you observe the inconsistent data in the production? Finding a approach to reproduce this issue will give us a deeper understanding for this bug.
Yes, I have meet some times in scaling up of cluster with k8s.
The issue is that:
###Step 1 -- There is three node (named zk-1,zk-2,zk3) of cluster to scale up. First add zk-1 which would be leader, **_client write some data to zk-1_**. Then add zk-2 to cluster also OK, zk-2 will be follower and sync data from zk-1.
###Step 2 -- Before add zk-3, zk-1 have connect lost with zk-2, that would make elect leader again, then connection restored and _**zk-2 become leader**_.
###Step 3 -- On this time, zk-3 joins cluster at the same time, and sync data from zk-2. After that, I find zk-3 only get part of the data form zk-2. Some transaction log which write in zk-1 have lost on zk-3.But the lost data exist unexpectedly in zk-1 and zk-2.
Logs and others on this issues.
Sssues link: [https://issues.apache.org/jira/browse/ZOOKEEPER-4352]
--
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[GitHub] [zookeeper] stop-coding edited a comment on pull request #1745: ZOOKEEPER-4352:inconsistent data, when minCommittedLog=0, only diff d…
Posted by GitBox <gi...@apache.org>.
stop-coding edited a comment on pull request #1745:
URL: https://github.com/apache/zookeeper/pull/1745#issuecomment-994221309
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[GitHub] [zookeeper] stop-coding closed pull request #1745: ZOOKEEPER-4352:inconsistent data, when minCommittedLog=0, only diff d…
Posted by GitBox <gi...@apache.org>.
stop-coding closed pull request #1745:
URL: https://github.com/apache/zookeeper/pull/1745
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[GitHub] [zookeeper] stop-coding commented on pull request #1745: ZOOKEEPER-4352:inconsistent data, when minCommittedLog=0, only diff d…
Posted by GitBox <gi...@apache.org>.
stop-coding commented on pull request #1745:
URL: https://github.com/apache/zookeeper/pull/1745#issuecomment-941855695
Hello Reviewers:
Is there a better solution？
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[GitHub] [zookeeper] maoling commented on pull request #1745: ZOOKEEPER-4352:inconsistent data, when minCommittedLog=0, only diff d…
Posted by GitBox <gi...@apache.org>.
maoling commented on pull request #1745:
URL: https://github.com/apache/zookeeper/pull/1745#issuecomment-993420716
- @stop-coding Thanks for your contribution.
- How can we reproduce this issue? Do you observe the inconsistent data in the production? Finding a approach to reproduce this issue will give us a deeper understanding for this bug.
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