akashrn5 commented on a change in pull request #3603: [CARBONDATA-3679]
Optimize local sort performance
URL: https://github.com/apache/carbondata/pull/3603#discussion_r378832145
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File path:
processing/src/main/java/org/apache/carbondata/processing/sort/sortdata/SortIntermediateFileMerger.java
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@@ -72,20 +67,11 @@ public void addFileToMerge(File sortTempFile) {
// intermediate merging of sort temp files will be triggered
synchronized (lockObject) {
procFiles.add(sortTempFile);
- }
- }
-
- public void startMergingIfPossible() {
- File[] fileList;
- if (procFiles.size() >=
parameters.getNumberOfIntermediateFileToBeMerged()) {
- synchronized (lockObject) {
- fileList = procFiles.toArray(new File[procFiles.size()]);
- this.procFiles = new ArrayList<File>();
+ if (procFiles.size() >=
parameters.getNumberOfIntermediateFileToBeMerged()) {
+ File[] fileList = procFiles.toArray(new File[procFiles.size()]);
+ this.procFiles = new ArrayList<>();
+ startIntermediateMerging(fileList);
Review comment:
directly can pass (File[]) procFiles.toArray()
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