Roman Leventov 64848c7ebf DataSegment memory optimizations (#5094) ... * Deduplicate DataSegments contents (loadSpec's keys, dimensions and metrics lists as a whole) more aggressively; use ArrayMap instead of default LinkedHashMap for DataSegment.loadSpec, because they have only 3 entries on average; prune DataSegment.loadSpec on brokers * Fix DataSegmentTest * Refinements * Try to fix * Fix the second DataSegmentTest * Nullability * Fix tests * Fix tests, unify to use TestHelper.getJsonMapper() * Revert TestUtil as ServerTestHelper, fix tests * Add newline * Fix indexing tests * Fix s3 tests * Try to fix tests, remove lazy caching of ObjectMapper in TestHelper, rename TestHelper.getJsonMapper() to makeJsonMapper() * Fix HDFS tests * Fix HdfsDataSegmentPusherTest * Capitalize constant names		2017-12-12 11:41:40 -08:00
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src	DataSegment memory optimizations (#5094)	2017-12-12 11:41:40 -08:00
pom.xml	Synchronization of lookups during startup of druid processes (#4758)	2017-10-12 21:22:24 -05:00