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(Updated Dec. 12, 2017, 9:46 a.m.) Review request for Aurora, Jordan Ly and Stephan Erb. Changes ------- review follow-up + merge master Repository: aurora Description ------- This cleans up the various interfaces around persisting and recovering from `Snapshot`s. Most importantly, `LogPersistence` no longer bypasses the `recover()` `Op` stream to apply snapshots. As a result, it should be straightforward to build a migration utility that clones `LogPersistence` state into another `Persistence` implementation. **Reviewers** Apologies for the large patch. These components were circular, and i did not find a clean way to break the important pieces of this change apart. Diffs (updated) ----- src/jmh/java/org/apache/aurora/benchmark/SnapshotBenchmarks.java 755582da0e6ae9fcbfb191c195f86a003d00eb2a src/main/java/org/apache/aurora/scheduler/storage/DistributedSnapshotStore.java 0c6a955279f4cadac87c765d91602ac307162f7d src/main/java/org/apache/aurora/scheduler/storage/SnapshotStore.java 6b5e5dd5b4d1e28f6d604bcc87c983453574adbf src/main/java/org/apache/aurora/scheduler/storage/Snapshotter.java PRE-CREATION src/main/java/org/apache/aurora/scheduler/storage/backup/BackupModule.java 7eaae89d63bf45d6ddc3cffd8ee62d4549e0cc10 src/main/java/org/apache/aurora/scheduler/storage/backup/Recovery.java 3a62f02212971f1f73933018ac11702a7041b7d4 src/main/java/org/apache/aurora/scheduler/storage/backup/StorageBackup.java 2d61678c76d350286415265fef5056d5377d9788 src/main/java/org/apache/aurora/scheduler/storage/backup/TemporaryStorage.java 18296b0d9674c05ce4b6b36dbcdc060bc2d17b0a src/main/java/org/apache/aurora/scheduler/storage/durability/DurableStorage.java 6a7c0add489ab1599fabe676e73582d575aa8c6e src/main/java/org/apache/aurora/scheduler/storage/durability/Loader.java PRE-CREATION src/main/java/org/apache/aurora/scheduler/storage/durability/Persistence.java 9eb862c01bf451252bfbcc7a2eac60d2c965c9f0 src/main/java/org/apache/aurora/scheduler/storage/durability/WriteAheadStorage.java 667db062e791a916853edb7fabd6235a2e9bc272 src/main/java/org/apache/aurora/scheduler/storage/log/LogPersistence.java e70e6051582ca90ae72014626b983bbf4b8d5b48 src/main/java/org/apache/aurora/scheduler/storage/log/LogStorageModule.java 75ec42aad0b822d6c3dcd5b1307a4fcb86caa5c0 src/main/java/org/apache/aurora/scheduler/storage/log/SnapshotService.java PRE-CREATION src/main/java/org/apache/aurora/scheduler/storage/log/SnapshotStoreImpl.java 739fad75c4d569a7f2ec01875a4ae63893ed7ac8 src/main/java/org/apache/aurora/scheduler/thrift/SchedulerThriftInterface.java 159fb29cd575f1d7bdba2fe0c98ae5381097a451 src/test/java/org/apache/aurora/scheduler/app/local/LocalSchedulerMain.java aeb8685e4e2d65c70636965a3a615e426c7a5ec2 src/test/java/org/apache/aurora/scheduler/config/CommandLineTest.java 5cb5310ed096ca1fb47b980401e3712948271ac4 src/test/java/org/apache/aurora/scheduler/storage/backup/RecoveryTest.java 09560f4929a252568ed487fbf27aac5a83e62c79 src/test/java/org/apache/aurora/scheduler/storage/backup/StorageBackupTest.java fff376fabba37ea450ade469e48c5e85d6b3f96a src/test/java/org/apache/aurora/scheduler/storage/durability/DurableStorageTest.java 3ad40adf58128ff41c5b88e3c5a7814b139e7d50 src/test/java/org/apache/aurora/scheduler/storage/durability/WriteAheadStorageTest.java e8b564b0c7fb82d4057f6ee8dcf7b327f1c5e18c src/test/java/org/apache/aurora/scheduler/storage/log/LogPersistenceTest.java PRE-CREATION src/test/java/org/apache/aurora/scheduler/storage/log/NonVolatileStorageTest.java eb966d722dc01d1760566bc57358afac722d5fec src/test/java/org/apache/aurora/scheduler/storage/log/SnapshotServiceTest.java PRE-CREATION src/test/java/org/apache/aurora/scheduler/storage/log/SnapshotStoreImplIT.java 5634f921cc3d9b1773af0a7ab5a5150756501df3 src/test/java/org/apache/aurora/scheduler/storage/testing/StorageTestUtil.java fd81bff5315d290f2b2c36959d566d5c595ef9c0 src/test/java/org/apache/aurora/scheduler/thrift/SchedulerThriftInterfaceTest.java 919ac145d96d75ec7f117784eea0ccfea8a2210e src/test/java/org/apache/aurora/scheduler/thrift/ThriftIT.java bb0fd89b9edee2048746876da9edbaf5c9e881ca Diff: https://reviews.apache.org/r/64286/diff/3/ Changes: https://reviews.apache.org/r/64286/diff/2-3/ Testing ------- end-to-end tests pass Thanks, Bill Farner
