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Type:
Sub-task
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Status: Closed
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Priority:
Critical
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Resolution: Fixed
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Affects Version/s: None
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Fix Version/s: 0.99.2
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Component/s: None
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Labels:None
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Hadoop Flags:Reviewed
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Release Note:
Distributed log replay is an awesome feature, but due of HBASE-11094, the rolling upgrade story from 0.98 is hard to explain / enforce.
The fix for HBASE-11094 only went into 0.98.4, meaning rolling upgrades from 0.98.4- might lose data during the upgrade.
I feel no matter how much documentation / warning we do, we cannot prevent users from doing rolling upgrades from 0.98.4- to 1.0. And we do not want to inconvenience the user by requiring a two step rolling upgrade.
Thus I think we should disable dist log replay for 1.0, and re-enable it again for 1.1 (if rolling upgrade from 0.98 is not supported).
ie. undo: HBASE-10888
- is related to
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HBASE-13584 Disable distributed log replay by default for 1.1
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- Closed
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