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From "Aleksey Yeschenko (JIRA)" <>
Subject [jira] [Commented] (CASSANDRA-9035) Fix hinted_handoff_enabled yaml setting
Date Wed, 01 Jul 2015 16:45:04 GMT


Aleksey Yeschenko commented on CASSANDRA-9035:

bq. It's done.

Nicely done. Committed to trunk as {{e89d54865ed9e69cb2b0081559936d1d2ee9b7c7}} with some
minor nits self-addressed:
- {{Config.hinted_handoff_enabled}} should've remained {{volatile}}
- {{YamlConfigurationLoader.CustomConstructor}} cleaned up a bit, and made to conform code
- removed redundant {{@Override}} annotations in {{EnableHintsForDC}} and {{DisableHintsForDC}}
({{execute}} is {{abstract}}.

Plus, committed the deprecation note to cassandra-2.2 branch as {{fbe96b3dfd2d73889c134e1c7006c197d4c3386d}}.

> Fix hinted_handoff_enabled yaml setting
> ---------------------------------------
>                 Key: CASSANDRA-9035
>                 URL:
>             Project: Cassandra
>          Issue Type: Sub-task
>            Reporter: Stefania
>            Assignee: Stefania
>            Priority: Minor
>             Fix For: 3.0 beta 1
>         Attachments: 9035-2.2.txt
> As discussed in CASSANDRA-6157, at the moment we have a single parameter {{hinted_handoff_enabled}}
that can be either a boolean or a csv list of enabled data centers.
> We should have a boolean global {{hinted_handoff_enabled}} param plus a separate yaml
list for the HH DC blacklist - {{hinted_handoff_disabled_datacenters}} to be checked when
the global flag is on.
> Backward compatibility with the existing approach should be kept.

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