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Review request for Tajo and Hyunsik Choi. Repository: tajo Description ------- TAJO-983: Worker should directly read Intermediate data stored in localhost rather than fetching Currently, worker always fetches all intermediate via Fetcher and than store them in local file system even though some intermediate data already are stored in local file system. It is inefficient and causes unnecessary I/O and extra storage occupation. We should improve it. https://issues.apache.org/jira/browse/TAJO-983 Diffs ----- tajo-core/src/main/java/org/apache/tajo/worker/Fetcher.java aa22bb8 tajo-core/src/main/java/org/apache/tajo/worker/Task.java d0665ae tajo-core/src/test/java/org/apache/tajo/worker/TestFetcher.java 95c06bb tajo-yarn-pullserver/src/main/java/org/apache/tajo/pullserver/TajoPullServerService.java e68e351 tajo-yarn-pullserver/src/main/java/org/apache/tajo/pullserver/retriever/FileChunk.java a8b424e Diff: https://reviews.apache.org/r/25242/diff/ Testing ------- Thanks, Hai Thanh Mai
