2005hithlj commented on code in PR #4891:
URL: https://github.com/apache/hbase/pull/4891#discussion_r1030012124
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hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/MetricsRegionWrapperImpl.java:
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@@ -59,15 +61,28 @@ public class MetricsRegionWrapperImpl implements
MetricsRegionWrapper, Closeable
private long maxCompactionQueueSize;
private Map<String, Long> readsOnlyFromMemstore;
private Map<String, Long> mixedReadsOnStore;
+ private Map<Integer, Long> storeFilesAccessedDaysAndSize;
+ private int[] storeFilesAccessedDaysThresholds;
private ScheduledFuture<?> regionMetricsUpdateTask;
+ public static long ONE_DAY_MS = 24 * 3600 * 1000;
+ public static final String STOREFILES_ACCESSED_DAYS_THRESHOLDS =
+ "hbase.region.storefiles.accessed.days.thresholds";
+ public static final int[] STOREFILES_ACCESSED_DAYS_THRESHOLDS_DEFAULT = { 7,
30, 90 };
Review Comment:
Yeah, in this situation, the metrics will retain at the time the store file
flushes or opened for cache, although the cached data of store file is accessed
at a new time. I'm not sure whether it is critical issue.
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