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Posted to commits@beam.apache.org by cph6 <gi...@git.apache.org> on 2017/07/26 04:54:43 UTC
[GitHub] beam pull request #3644: [BEAM-2556] Add client-side throttling.
GitHub user cph6 opened a pull request:
https://github.com/apache/beam/pull/3644
[BEAM-2556] Add client-side throttling.
The approach used is as described in
https://landing.google.com/sre/book/chapters/handling-overload.html#client-side-throttling-a7sYUg
. By backing off individual workers in response to high error rates, we relieve
pressure on the Datastore service, increasing the chance that the workload can
complete successfully. This matches the implementation in the Java SDK.
Also fix the timekeeping of the dynamic batching (seconds vs milliseconds).
R: @vikkyrk
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/cph6/beam datastore_adaptive_py
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/beam/pull/3644.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #3644
----
commit 0b0d90cb45d0dd94e9bdab5f2ae41f5458019883
Author: Colin Phipps <fi...@google.com>
Date: 2017-07-24T21:01:09Z
Add client-side throttling.
The approach used is as described in
https://landing.google.com/sre/book/chapters/handling-overload.html#client-side-throttling-a7sYUg
. By backing off individual workers in response to high error rates, we relieve
pressure on the Datastore service, increasing the chance that the workload can
complete successfully. This matches the implementation in the Java SDK.
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[GitHub] beam pull request #3644: [BEAM-2556] Add client-side throttling.
Posted by asfgit <gi...@git.apache.org>.
Github user asfgit closed the pull request at:
https://github.com/apache/beam/pull/3644
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