HBASE-28962 Meta replication is inconsistent after startup when reusi… #7046
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…ng hbase storage location (apache#6448) Signed-off-by: Andor Molnár <[email protected]> Signed-off-by: Wellington Chevreuil <[email protected]> Reviewed-by: Aman Poonia <[email protected]>
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Apache9
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Jun 1, 2025
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Please do not merge this.
Checked the code on branch-2.6, we also load the meta replica locations from master local region, not zookeeper. So the comment here is incorrect
Please also revert the changes from existing branches, and let's review what is the root cause of this problem.
Thanks.
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We run into this issue from time to time. When creating a cluster with storage location set to a storage location of an earlier cluster. Both clusters are set to use meta replication. Do you think this change could cause any problems? |
I agree that before identifying the root cause, you can apply some temporary approaches on your internal branches to 'fix' the problem. But on the open source branch, I think we should find the root cause and then apply the 'correct' fix. As I've said above, please check whether we have the master local region related changes in your internal branch. And on the unit testing, please try delete everything on zookeeper to simulate your scenario. You can see HBASE-29292 and TestRecreateCluster on how to do this. If you can still produce the problem, we can check again whether we need the changes here. Thanks. |
@Apache9 is right, since HBASE-26193, present since 2.5.0, we don't rely on ZK for the region states anymore. @richardantal , have you still managed to reproduce this issue on a 2.5/2.6 based deployment? |
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… startup when reusing hbase storage location (apache#6448)" As discussed further on apache#7046, the described issue may not apply to branches containing the changes from HBASE-26193 (present since 2.5.0). This reverts commit 08621f9.
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…ng hbase storage location (#6448)