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4/27/2017 9:03:24 PM
user (#1033)
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4/27/2017 8:53:57 PM
example is the following:
/Users/afaris/work/public/li-afaris_azkaban/azkaban-web-server/src/main/java/azkaban/webapp/WebMetrics.java:37: warning: [ImmutableEnumChecker] enums should only have immutable fields, the declaration of type 'com.codahale.metrics.Meter' is not annotated @Immutable private final Meter webGetCall; ^ (see http://errorprone.info/bugpattern/ImmutableEnumChecker)
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4/27/2017 8:38:01 PM
in azkaban-common package
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4/27/2017 8:32:16 PM
warning: [ImmutableEnumChecker] enums should be immutable, and cannot have non-final fields private int numVal; ^ (see http://errorprone.info/bugpattern/ImmutableEnumChecker) Did you mean 'private final int numVal;'?
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4/27/2017 5:50:55 PM
subproject introduction
This patch includes akzbana-db subproject, which defines new SQL
interfaces to interact with JDBC libraries. The goal of this design is
to have database retires more easily and add more monitoring metrics in
future.
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4/27/2017 5:21:48 PM
Storage. (#1024)
The `project_versions` table currently stores all metadata corresponding to every upload of a project zip. The newly introduced storage layer in azkaban requires the persistence of an additional field in the `project_versions` table `uri`.
```
CREATE TABLE project_versions (
...
uri VARCHAR(512) DEFAULT NULL,
...
);
```
The changes integrate `uri` in the query APIs in `ProjectLoader` and modify the interfaces in a *backward incompatible* manner. The solo server SQL scripts have been updated accordingly and have been tested to work.
Existing installations of Azkaban *will* require a simple DB migration: `uri` field addition to `project_versions`.
This completes the implementation for `LOCAL` and `DATABASE` storage types. By default, the storage will continue to be `DATABASE`. (DB migration will still be required)
To change to `LOCAL` storage. Add this to `conf/azkaban.properties`
```
azkaban.storage.type=LOCAL
```
This has been tested to work on solo server and also tested on dev clusters.
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4/26/2017 7:29:21 PM
some never-used code, remove it. Also, refactor a little a bit in
these classes.
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