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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-10068) Add documentation for async/RocksDB-based timers
Date Thu, 09 Aug 2018 14:39:00 GMT

    [ https://issues.apache.org/jira/browse/FLINK-10068?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16574923#comment-16574923
] 

ASF GitHub Bot commented on FLINK-10068:
----------------------------------------

twalthr commented on a change in pull request #6504: [FLINK-10068][docs] Add documentation
for RocksDB-based timers and st…
URL: https://github.com/apache/flink/pull/6504#discussion_r208949265
 
 

 ##########
 File path: docs/dev/stream/operators/process_function.md
 ##########
 @@ -277,19 +277,18 @@ Both types of timers (processing-time and event-time) are internally
maintained
 
 The `TimerService` deduplicates timers per key and timestamp, i.e., there is at most one
timer per key and timestamp. If multiple timers are registered for the same timestamp, the
`onTimer()` method will be called just once.
 
 Review comment:
   Can we move this entire `Fault Tolerance` section to `dev/stream/state/checkpointing.md`
for a new `Timers` section? This is a general concept that is not only relevant for `ProcessFunction`.

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> Add documentation for async/RocksDB-based timers
> ------------------------------------------------
>
>                 Key: FLINK-10068
>                 URL: https://issues.apache.org/jira/browse/FLINK-10068
>             Project: Flink
>          Issue Type: Sub-task
>          Components: State Backends, Checkpointing
>            Reporter: Stefan Richter
>            Assignee: Stefan Richter
>            Priority: Major
>              Labels: pull-request-available
>
> Documentation how to activate RocksDB based timers, and update that snapshotting now
works async, expect for heap-timers + rocks-incremental-snapshot).



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