npawar commented on a change in pull request #3941: Pinot server side change to
optimize LLC segment completion with direct metadata upload.
URL: https://github.com/apache/incubator-pinot/pull/3941#discussion_r267018656
##########
File path:
pinot-core/src/main/java/org/apache/pinot/core/data/manager/realtime/LLRealtimeSegmentDataManager.java
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@@ -681,11 +690,23 @@ protected SegmentBuildDescriptor
buildSegmentInternal(boolean forCommit) {
TimeUnit.MILLISECONDS.toSeconds(waitTimeMillis));
if (forCommit) {
+ Preconditions.checkState(destDir.listFiles() != null &&
destDir.listFiles().length > 0,
Review comment:
Similar to other exceptions in segment build path, let's catch these
exceptions and return null.
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