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https://reviews.apache.org/r/55019/
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Review request for Aurora, David McLaughlin and Zameer Manji.
Bugs: AURORA-1851
https://issues.apache.org/jira/browse/AURORA-1851
Repository: aurora
Description
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AURORA-1851 Expose stats on JobUpdateAction transitions
Introduced new stats that exposes `JobUpdateAction` transitions.
Refactored away from `CachedCounters` for existing metric; it was dynamically
generating new String objects (through concatenation) per stats collection
event.
Fixed for a mistake in a previous changeset
(https://reviews.apache.org/r/55003/); removed unnecessary checked `Exception`
on `CacheLoader.load()`.
Diffs
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src/main/java/org/apache/aurora/scheduler/storage/db/DbJobUpdateStore.java
e0698a3c5bb6c3cea1cc94934fcf303c4f2e692d
src/main/java/org/apache/aurora/scheduler/thrift/aop/LoggingInterceptor.java
7621facdf1efc5d09473e0dc09fbb9c520248c7b
src/test/java/org/apache/aurora/scheduler/storage/db/DbJobUpdateStoreTest.java
d01dc3f5aa86775d777232dcda20c1ae787fcd42
Diff: https://reviews.apache.org/r/55019/diff/
Testing
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```
curl 192.168.33.7:8081/vars | grep update_instance_transition
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
100 45206 0 45206 0 0 6331k 0 --:--:-- --:--:-- --:--:-- 7357k
update_instance_transition_INSTANCE_UPDATED 2
update_instance_transition_INSTANCE_UPDATING 2
```
Thanks,
Mehrdad Nurolahzade
