haiyang1987 commented on code in PR #6176:
URL: https://github.com/apache/hadoop/pull/6176#discussion_r1384389728
##########
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockManager.java:
##########
@@ -3040,6 +3058,98 @@ void rescanPostponedMisreplicatedBlocks() {
(Time.monotonicNow() - startTime), endSize, (startSize - endSize));
}
}
+
+ /**
+ * Sets the timeout (in seconds) for excess redundancy blocks, if the
provided timeout is
+ * less than or equal to 0, the default value is used (converted to
milliseconds).
+ * @param timeOut The time (in seconds) to set as the excess redundancy
block timeout.
+ */
+ public void setExcessRedundancyTimeout(long timeOut) {
+ if (timeOut <= 0) {
+ this.excessRedundancyTimeout =
DFS_NAMENODE_EXCESS_REDUNDANCY_TIMEOUT_SEC * 1000L;
+ } else {
+ this.excessRedundancyTimeout = timeOut * 1000L;
+ }
+ }
+
+ /**
+ * Sets the limit number of blocks for checking excess redundancy timeout.
+ * If the provided limit is less than or equal to 0, the default limit is
used.
+ *
+ * @param limit The limit number of blocks used to check for excess
redundancy timeout.
+ */
+ public void setExcessRedundancyTimeoutCheckLimit(long limit) {
+ if (excessRedundancyTimeoutCheckLimit <= 0) {
+ this.excessRedundancyTimeoutCheckLimit =
+ DFS_NAMENODE_EXCESS_REDUNDANCY_TIMEOUT_CHECK_LIMIT_DEFAULT;
+ } else {
+ this.excessRedundancyTimeoutCheckLimit = limit;
+ }
+ }
+
+ /**
+ * Process timed-out blocks in the excess redundancy map.
+ */
+ void processTimedOutExcessBlocks() {
+ if (excessRedundancyMap.size() == 0) {
+ return;
+ }
+ namesystem.writeLock();
+ long now = Time.monotonicNow();
+ int processed = 0;
+ try {
+ Iterator<Map.Entry<String, LightWeightHashSet<ExcessBlockInfo>>> iter =
+ excessRedundancyMap.getExcessRedundancyMap().entrySet().iterator();
+ while (iter.hasNext() && processed < excessRedundancyTimeoutCheckLimit) {
Review Comment:
Get it, i will update it later.
Thanks @zhangshuyan0 for your comment.
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