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Fangmin Lv commented on BOOKKEEPER-249:
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An interesting idea, but I think it's
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Fangmin Lv commented on ZOOKEEPER-2853:
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[~maoling] yes, that's what we're doing, I'll provide a
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Fangmin Lv commented on ZOOKEEPER-2846:
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There could be txn gap when using diff sync (which
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Fangmin Lv commented on ZOOKEEPER-2846:
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[~hanm] ZOOKEEPER-2099 is a subset of the issue I
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Fangmin Lv commented on ZOOKEEPER-2846:
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[~hanm] The challenge here is that we don't know there
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Fangmin Lv commented on ZOOKEEPER-2845:
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[~hanm] we've just finished and tried to test the
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Fangmin Lv updated ZOOKEEPER-2845:
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Affects Version/s: 3.6.0
> Data inconsistency issue due to retain database in leader
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Fangmin Lv commented on ZOOKEEPER-2845:
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[~hanm] T1 only exists in txn file but hasn't been
Fangmin Lv created ZOOKEEPER-2845:
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Summary: Data inconsistency issue due to retain database in leader
election
Key: ZOOKEEPER-2845
URL: https://issues.apache.org/jira/browse/ZOOKEEPER-2845
Project:
Fangmin Lv created ZOOKEEPER-2846:
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Summary: Leader follower sync with on disk txns can possibly leads
to data inconsistency
Key: ZOOKEEPER-2846
URL: https://issues.apache.org/jira/browse/ZOOKEEPER-2846
Fangmin Lv created ZOOKEEPER-2847:
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Summary: Cannot bind to client port when reconfig based on old
static config
Key: ZOOKEEPER-2847
URL: https://issues.apache.org/jira/browse/ZOOKEEPER-2847
Project:
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Fangmin Lv updated ZOOKEEPER-2846:
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Description:
On disk txn sync could cause data inconsistency if the current leader just had
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Fangmin Lv reassigned ZOOKEEPER-2852:
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Assignee: Fangmin Lv
> Snapshot size factor is not read from system property
>
Fangmin Lv created ZOOKEEPER-2852:
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Summary: Snapshot size factor is not read from system property
Key: ZOOKEEPER-2852
URL: https://issues.apache.org/jira/browse/ZOOKEEPER-2852
Project: ZooKeeper
Fangmin Lv created ZOOKEEPER-2853:
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Summary: The lastZxidSeen in FileTxnLog.java is never being
assigned
Key: ZOOKEEPER-2853
URL: https://issues.apache.org/jira/browse/ZOOKEEPER-2853
Project:
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https://issues.apache.org/jira/browse/ZOOKEEPER-1549?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16119019#comment-16119019
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Fangmin Lv commented on ZOOKEEPER-1549:
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Is this issue still exist? Didn't go through all the
Fangmin Lv created ZOOKEEPER-2870:
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Summary: Improve the efficiency of AtomicFileOutputStream
Key: ZOOKEEPER-2870
URL: https://issues.apache.org/jira/browse/ZOOKEEPER-2870
Project: ZooKeeper
Fangmin Lv created ZOOKEEPER-2808:
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Summary: ACL with index 1 might be removed if it's only being used
once
Key: ZOOKEEPER-2808
URL: https://issues.apache.org/jira/browse/ZOOKEEPER-2808
Project:
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Fangmin Lv commented on ZOOKEEPER-2808:
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[~hanm] we can clear the ACL of the config node after
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Fangmin Lv commented on ZOOKEEPER-2879:
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(Sorry for the lately reply, was oncall and handling
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Fangmin Lv edited comment on ZOOKEEPER-2879 at 8/30/17 6:14 PM:
(Sorry
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Fangmin Lv reassigned ZOOKEEPER-2886:
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Assignee: Fangmin Lv
> Permanent session moved error in multi-op only connections
>
Fangmin Lv created ZOOKEEPER-2886:
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Summary: Permanent session moved error in multi-op only connections
Key: ZOOKEEPER-2886
URL: https://issues.apache.org/jira/browse/ZOOKEEPER-2886
Project: ZooKeeper
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Fangmin Lv edited comment on ZOOKEEPER-2879 at 9/9/17 3:56 PM:
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(Sorry
Fangmin Lv created ZOOKEEPER-2879:
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Summary: Adding observers dynamically without server id
Key: ZOOKEEPER-2879
URL: https://issues.apache.org/jira/browse/ZOOKEEPER-2879
Project: ZooKeeper
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Fangmin Lv commented on ZOOKEEPER-2845:
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The internal patch has been stabilized, which have been
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Fangmin Lv updated ZOOKEEPER-2879:
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Description: Dynamic config requires observer has unique server id, which
means we cannot
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Fangmin Lv commented on ZOOKEEPER-2845:
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Can someone help add my teammate jtuple as the
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Fangmin Lv reassigned ZOOKEEPER-2845:
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Assignee: (was: Fangmin Lv)
> Data inconsistency issue due to retain database in
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Fangmin Lv commented on ZOOKEEPER-2845:
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[~davelatham] our internal patch is based on 3.6
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Fangmin Lv commented on ZOOKEEPER-2845:
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[~davelatham] I meant the broken "retainDB" commit in
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Fangmin Lv commented on ZOOKEEPER-3049:
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The DataTree itself doesn't guarantee the atomic on
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Fangmin Lv commented on ZOOKEEPER-3049:
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[~wayne sun] yes, it's kind of atomic, but guarantees
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Fangmin Lv commented on ZOOKEEPER-2886:
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Thanks [~dbenediktson], let's discuss on this git
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Fangmin Lv commented on ZOOKEEPER-3057:
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[~andorm] It's the same issue as ZOOKEEPER-2989, but
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Fangmin Lv edited comment on ZOOKEEPER-3057 at 6/9/18 6:22 AM:
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Fangmin Lv created ZOOKEEPER-2926:
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Summary: Data inconsistency issue due to the flaw in the session
management
Key: ZOOKEEPER-2926
URL: https://issues.apache.org/jira/browse/ZOOKEEPER-2926
Project:
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Fangmin Lv reassigned ZOOKEEPER-2926:
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Assignee: Fangmin Lv
> Data inconsistency issue due to the flaw in the session
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Fangmin Lv commented on ZOOKEEPER-2845:
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[~revans2] the txn will only be applied to DB when it's
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Fangmin Lv commented on ZOOKEEPER-2845:
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[~revans2] Thanks for jumping in and working on this
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Fangmin Lv commented on ZOOKEEPER-2845:
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[~revans2] clean and reload the DB will use the correct
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Fangmin Lv reassigned ZOOKEEPER-1177:
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Assignee: Fangmin Lv (was: Thawan Kooburat)
Take over this Jira, have implemented
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Fangmin Lv commented on ZOOKEEPER-3108:
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I think this is a good idea, but it's better to keep
Fangmin Lv created ZOOKEEPER-3109:
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Summary: Avoid long unavailable time due to voter changed mind
when activating the leader during election
Key: ZOOKEEPER-3109
URL:
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Fangmin Lv updated ZOOKEEPER-3109:
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Description:
Occasionally, we'll find it takes long time to elect a leader, might longer
Fangmin Lv created ZOOKEEPER-3116:
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Summary: Make the DataTree.approximateDataSize more efficient
Key: ZOOKEEPER-3116
URL: https://issues.apache.org/jira/browse/ZOOKEEPER-3116
Project: ZooKeeper
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Fangmin Lv updated ZOOKEEPER-3110:
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Description:
On leader every expired global session will add 3 lines of logs, which is
Fangmin Lv created ZOOKEEPER-3110:
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Summary: Improve the closeSession throughput in
PrepRequestProcessor
Key: ZOOKEEPER-3110
URL: https://issues.apache.org/jira/browse/ZOOKEEPER-3110
Project:
Fangmin Lv created ZOOKEEPER-3111:
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Summary: Add socket buffer size option to tune the TCP throughput
between leader and learner
Key: ZOOKEEPER-3111
URL: https://issues.apache.org/jira/browse/ZOOKEEPER-3111
Fangmin Lv created ZOOKEEPER-3114:
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Summary: Real time consistency check between leader and learner
Key: ZOOKEEPER-3114
URL: https://issues.apache.org/jira/browse/ZOOKEEPER-3114
Project: ZooKeeper
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Fangmin Lv commented on ZOOKEEPER-3104:
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[~andorm] I think [~breed] is planning to port this to
Fangmin Lv created ZOOKEEPER-3117:
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Summary: Correct the LeaderBean.followerInfo to only return the
followers list
Key: ZOOKEEPER-3117
URL: https://issues.apache.org/jira/browse/ZOOKEEPER-3117
Fangmin Lv created ZOOKEEPER-3124:
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Summary: Remove special logic to handle cversion and pzxid in
DataTree.processTxn
Key: ZOOKEEPER-3124
URL: https://issues.apache.org/jira/browse/ZOOKEEPER-3124
Fangmin Lv created ZOOKEEPER-3125:
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Summary: Pzxid inconsistent issue during replaying a txn for a
deleted node
Key: ZOOKEEPER-3125
URL: https://issues.apache.org/jira/browse/ZOOKEEPER-3125
Project:
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Fangmin Lv commented on ZOOKEEPER-3124:
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[~hanm] do you have any idea why we need to keep these
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Fangmin Lv commented on ZOOKEEPER-3099:
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[~jiangjiafu] please change the title to be explicitly
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Fangmin Lv reassigned ZOOKEEPER-3127:
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Assignee: Fangmin Lv
> Fixing potential data inconsistency due to update last
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Fangmin Lv commented on ZOOKEEPER-3124:
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Yup, it's a bit confusing, I don't think it fixed the
Fangmin Lv created ZOOKEEPER-3133:
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Summary: NIOServerCnxn.outstandingRequests is not updated
correctly with sasl request
Key: ZOOKEEPER-3133
URL: https://issues.apache.org/jira/browse/ZOOKEEPER-3133
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Fangmin Lv updated ZOOKEEPER-3125:
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Summary: Pzxid inconsistent issue when replaying a txn for a deleted node
(was: Pzxid
Fangmin Lv created ZOOKEEPER-3127:
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Summary: Fixing potential data inconsistency due to update last
processed zxid with partial multi-op txn
Key: ZOOKEEPER-3127
URL:
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https://issues.apache.org/jira/browse/ZOOKEEPER-3086?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16551044#comment-16551044
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Fangmin Lv commented on ZOOKEEPER-3086:
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[~elessar] thanks for reporting the issue, you
Fangmin Lv created ZOOKEEPER-3097:
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Summary: Use Runnable instead of Thread for working items in
WorkerService to improve the throughput of CommitProcessor
Key: ZOOKEEPER-3097
URL:
Fangmin Lv created ZOOKEEPER-3104:
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Summary: Potential data inconsistency due to NEWLEADER packet
being sent too early during SNAP sync
Key: ZOOKEEPER-3104
URL:
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https://issues.apache.org/jira/browse/ZOOKEEPER-3131?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16597590#comment-16597590
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Fangmin Lv commented on ZOOKEEPER-3131:
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[~hw_wangchao] it was by design to leave it as is to
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Fangmin Lv updated ZOOKEEPER-3131:
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Affects Version/s: 3.6.0
> org.apache.zookeeper.server.WatchManager resource leak
>
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Fangmin Lv commented on ZOOKEEPER-3131:
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This one will be fixed if the ongoing optimized watch
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Fangmin Lv resolved ZOOKEEPER-3111.
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Resolution: Not A Problem
> Add socket buffer size option to tune the TCP throughput
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Fangmin Lv commented on ZOOKEEPER-3111:
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Commented in the PR, also mention it here for easier
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Fangmin Lv reopened ZOOKEEPER-3124:
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> Update the comment of special logic to handle cversion and pzxid in
> DataTree.processTxn
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Fangmin Lv updated ZOOKEEPER-3124:
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Summary: Update the comment of special logic to handle cversion and pzxid
in
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Fangmin Lv updated ZOOKEEPER-3124:
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Summary: Add the correct comment to show why we need the special logic to
handle cversion
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Fangmin Lv updated ZOOKEEPER-3124:
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Description:
The old comment about setCversionPzxid is not valid, the scenario it
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Fangmin Lv resolved ZOOKEEPER-3124.
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Resolution: Won't Do
After revisiting the logic, I found it's not possible that the
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Fangmin Lv commented on ZOOKEEPER-3141:
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Thanks [~hanm] for reporting the issue, I'll take a
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Fangmin Lv commented on ZOOKEEPER-3141:
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[~hanm] I checked out internal continuous build, and
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Fangmin Lv updated ZOOKEEPER-3084:
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Summary: Exit when ZooKeeper cannot bind to the leader election port (was:
Exit when zeus
Fangmin Lv created ZOOKEEPER-3085:
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Summary: Define constant exit code and add documents
Key: ZOOKEEPER-3085
URL: https://issues.apache.org/jira/browse/ZOOKEEPER-3085
Project: ZooKeeper
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https://issues.apache.org/jira/browse/ZOOKEEPER-2846?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16537668#comment-16537668
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Fangmin Lv commented on ZOOKEEPER-2846:
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There is no efficient way to detect the gap,
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Fangmin Lv commented on ZOOKEEPER-3085:
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Thanks [~nkalmar] for taking care of this Jira.
>
Fangmin Lv created ZOOKEEPER-3084:
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Summary: Exit when zeus cannot bind to the leader election port
Key: ZOOKEEPER-3084
URL: https://issues.apache.org/jira/browse/ZOOKEEPER-3084
Project: ZooKeeper
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Fangmin Lv updated ZOOKEEPER-3144:
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Summary: Potential ephemeral nodes inconsistent due to global session
inconsistent with
Fangmin Lv created ZOOKEEPER-3145:
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Summary: Potential watch missing issue due to stale pzxid when
replaying CloseSession txn with fuzzy snapshhot
Key: ZOOKEEPER-3145
URL:
Fangmin Lv created ZOOKEEPER-3144:
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Summary: Potential ephemeral nodes inconsistent due to global
session inconsistent after with fuzzy snapshot
Key: ZOOKEEPER-3144
URL:
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https://issues.apache.org/jira/browse/ZOOKEEPER-3169?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16657033#comment-16657033
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Fangmin Lv commented on ZOOKEEPER-3169:
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[~TyqITstudent] is this a duplicate Jira with
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Fangmin Lv commented on ZOOKEEPER-3169:
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Btw, can you point the code where the reconnect and
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Fangmin Lv commented on ZOOKEEPER-3170:
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Thanks [~andorm] for tracking all those flaky tests,
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Fangmin Lv reassigned ZOOKEEPER-3179:
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Assignee: (was: Suyog Mapara)
> Add snapshot compression to reduce the disk IO
Fangmin Lv created ZOOKEEPER-3179:
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Summary: Add snapshot compression to reduce the disk IO
Key: ZOOKEEPER-3179
URL: https://issues.apache.org/jira/browse/ZOOKEEPER-3179
Project: ZooKeeper
Fangmin Lv created ZOOKEEPER-3180:
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Summary: Add response cache to improve the throughput of read
heavy traffic
Key: ZOOKEEPER-3180
URL: https://issues.apache.org/jira/browse/ZOOKEEPER-3180
Project:
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Fangmin Lv updated ZOOKEEPER-3180:
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Description:
On read heavy use case with large response data size, the serialization of
Fangmin Lv created ZOOKEEPER-3178:
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Summary: Remove PrepRequestProcessor from RO ZooKeeperServer to
avoid txns being created in RO mode
Key: ZOOKEEPER-3178
URL:
Fangmin Lv created ZOOKEEPER-3177:
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Summary: Refactor request throttle logic in NIO and Netty to keep
the same behavior and make the code easier to maintain
Key: ZOOKEEPER-3177
URL:
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https://issues.apache.org/jira/browse/ZOOKEEPER-3182?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=1745#comment-1745
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Fangmin Lv commented on ZOOKEEPER-3182:
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[~andorm] the change in the updated PR looks good to
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Fangmin Lv commented on ZOOKEEPER-3180:
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Currently, we only cache getData, but we can easily
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Fangmin Lv reassigned ZOOKEEPER-3180:
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Assignee: Brian Nixon
> Add response cache to improve the throughput of read heavy
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https://issues.apache.org/jira/browse/ZOOKEEPER-3141?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16664262#comment-16664262
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Fangmin Lv edited comment on ZOOKEEPER-3141 at 10/25/18 8:49 PM:
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Fangmin Lv commented on ZOOKEEPER-3179:
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[~hanm] That's a good idea, I'm trying to see what's
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Fangmin Lv commented on ZOOKEEPER-3180:
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Yes, it holds the serialized response, and re-uses
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https://issues.apache.org/jira/browse/ZOOKEEPER-3141?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16664262#comment-16664262
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Fangmin Lv commented on ZOOKEEPER-3141:
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[~andorm] we verified this is due to interfered, not
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