shaofengshi commented on a change in pull request #502: KYLIN-3839 Strorage
clean up after refreshing and deleting segment
URL: https://github.com/apache/kylin/pull/502#discussion_r266297875
##########
File path:
server-base/src/main/java/org/apache/kylin/rest/service/CubeService.java
##########
@@ -550,7 +558,30 @@ public CubeInstance deleteSegment(CubeInstance cube,
String segmentName) throws
logger.warn(String.format(Locale.ROOT,
msg.getDELETE_SEGMENT_CAUSE_GAPS(), cube.getName(), segmentName));
}
- return
CubeManager.getInstance(getConfig()).updateCubeDropSegments(cube, toDelete);
+ CubeInstance cubeInstance =
CubeManager.getInstance(getConfig()).updateCubeDropSegments(cube, toDelete);
+
+ cleanSegmentStorage(Collections.singletonList(toDelete));
+
+ return cubeInstance;
+ }
+
+ // clean segment data in hbase and hdfs
+ private void cleanSegmentStorage(List<CubeSegment> toRemoveSegs) throws
IOException {
+ if (KylinConfig.getInstanceFromEnv().cleanStorageAfterDelOperation()) {
Review comment:
If not enabled, directly return, to make the code more clear (less embed
logic);
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