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https://issues.apache.org/jira/browse/BEAM-5428?focusedWorklogId=299189&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-299189
]
ASF GitHub Bot logged work on BEAM-5428:
----------------------------------------
Author: ASF GitHub Bot
Created on: 22/Aug/19 06:09
Start Date: 22/Aug/19 06:09
Worklog Time Spent: 10m
Work Description: rakeshcusat commented on pull request #9374:
[BEAM-5428] Implement Runner support for cache tokens
URL: https://github.com/apache/beam/pull/9374#discussion_r316509277
##########
File path:
runners/flink/src/main/java/org/apache/beam/runners/flink/translation/wrappers/streaming/ExecutableStageDoFnOperator.java
##########
@@ -336,11 +356,29 @@ public void clear(K key, W window) {
BagState<V> bagState =
stateInternals.state(namespace, StateTags.bag(userStateId,
valueCoder));
bagState.clear();
+
+ return generateAndRegisterCacheKey();
} finally {
stateBackendLock.unlock();
}
}
+ @Override
+ public Iterable<ByteString> getCacheTokens() {
+ return cacheTokens.asMap().values();
+ }
+
+ @Override
+ public void clearCacheTokens() {
+ cacheTokens.invalidateAll();
+ }
+
+ private ByteString generateAndRegisterCacheKey() {
+ ByteString cacheToken =
ByteString.copyFrom(cacheTokenGenerator.getId(), Charsets.UTF_8);
+ cacheTokens.put(userStateId, cacheToken);
Review comment:
Correct me if I am wrong there. The bag states are also separated by window,
would it make sense to include window in the cache key?
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Issue Time Tracking
-------------------
Worklog Id: (was: 299189)
Time Spent: 1h 10m (was: 1h)
> Implement cross-bundle state caching.
> -------------------------------------
>
> Key: BEAM-5428
> URL: https://issues.apache.org/jira/browse/BEAM-5428
> Project: Beam
> Issue Type: Improvement
> Components: sdk-py-harness
> Reporter: Robert Bradshaw
> Assignee: Rakesh Kumar
> Priority: Major
> Time Spent: 1h 10m
> Remaining Estimate: 0h
>
> Tech spec:
> [https://docs.google.com/document/d/1BOozW0bzBuz4oHJEuZNDOHdzaV5Y56ix58Ozrqm2jFg/edit#heading=h.7ghoih5aig5m]
> Relevant document:
> [https://docs.google.com/document/d/1ltVqIW0XxUXI6grp17TgeyIybk3-nDF8a0-Nqw-s9mY/edit#|https://docs.google.com/document/d/1ltVqIW0XxUXI6grp17TgeyIybk3-nDF8a0-Nqw-s9mY/edit]
> Mailing list link:
> [https://lists.apache.org/thread.html/caa8d9bc6ca871d13de2c5e6ba07fdc76f85d26497d95d90893aa1f6@%3Cdev.beam.apache.org%3E]
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