[jira] [Commented] (BEAM-2556) Client-side throttling for Datastore connector

["ASF GitHub Bot (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/BEAM-2556?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16129157#comment-16129157 ] 

ASF GitHub Bot commented on BEAM-2556:
--------------------------------------

Github user asfgit closed the pull request at:

    https://github.com/apache/beam/pull/3644


> Client-side throttling for Datastore connector
> ----------------------------------------------
>
>                 Key: BEAM-2556
>                 URL: https://issues.apache.org/jira/browse/BEAM-2556
>             Project: Beam
>          Issue Type: Improvement
>          Components: sdk-java-gcp
>            Reporter: Colin Phipps
>            Assignee: Colin Phipps
>            Priority: Minor
>              Labels: datastore
>
> The Datastore connector currently has exponential backoff on errors, which is good. But it does not do any other throttling of its write load in response to errors; once a request succeeds, it resumes writing as quickly as it can.
> Write loads will be more stable and more likely to compete if the client throttles itself in the event that it receives high rates of errors from the Datastore service; specifically 
> https://landing.google.com/sre/book/chapters/handling-overload.html#client-side-throttling-a7sYUg is a technique that Google has had success with on other services.
> We (Datastore) have a patch in progress to add this behaviour to the connector.



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