Apache9 commented on code in PR #4891:
URL: https://github.com/apache/hbase/pull/4891#discussion_r1056735714
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hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HStore.java:
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@@ -1780,6 +1781,29 @@ public OptionalDouble getAvgStoreFileAge() {
return getStoreFileAgeStream().average();
}
+ @Override
+ public Map<String, Pair<Long, Long>> getStoreFilesAccessTimeAndSize() {
+ Collection<HStoreFile> storeFiles =
this.storeEngine.getStoreFileManager().getStorefiles();
+ Map<String, Pair<Long, Long>> sfAccessTimeAndSizeMap = new HashMap<>();
+ for (HStoreFile sf : storeFiles) {
+ if (sf.getReader() == null) {
+ continue;
+ }
+ FileStatus fileStatus;
+ try {
+ fileStatus = sf.getFileInfo().getFileStatus();
Review Comment:
Will this introduce a request spike to NN? Usually after opening a store
file we will not goto NN any more...
I wonder if we can maintain this information inside HBase?
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