[HBASE-22307] Deprecated Preemptive Fail Fast - ASF JIRA

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Details

Type: Task
Status: Closed
Priority: Major
Resolution: Fixed
Affects Version/s: None
Fix Version/s: 3.0.0-alpha-1, 2.3.0
Component/s: Client
Labels:
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Hadoop Flags:

Reviewed
Release Note:

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Deprecated Preemptive Fail Fast related constants in HConstants, the support of this feature will be removed in 3.0.0 so use these constants will have no effect for 3.0.0+ releases. And the constants will be kept till 4.0.0.

Users can use 'hbase.client.perserver.requests.threshold' to control the number of concurrent requests to the same region server. Please see the release note of ~~HBASE-16388~~ for more details.

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Deprecated Preemptive Fail Fast related constants in HConstants, the support of this feature will be removed in 3.0.0 so use these constants will have no effect for 3.0.0+ releases. And the constants will be kept till 4.0.0. Users can use 'hbase.client.perserver.requests.threshold' to control the number of concurrent requests to the same region server. Please see the release note of HBASE-16388 for more details.

Description

Opened a discuss thread in dev & user mailing list but get no response, so I assume that there is no critical users for this feafure. And the problem we want to solve here is mainly the same with ~~HBASE-16388~~, so I think user could make use of the config in ~~HBASE-16388~~.

Plan to deprecated the related classes and configs on branch-2, and the IA.Private classes will be removed in 3.0.0(on branch ~~HBASE-21512~~ first), and the constants in HConstants class will be kept till 4.0.0, so we do not break the public API, although it is useless to config them on 3.0.0+.