goiri commented on a change in pull request #1573: HDFS-14889. Add ability to
identify a Provided storage block.
URL: https://github.com/apache/hadoop/pull/1573#discussion_r330671566
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File path:
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockInfoContiguous.java
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@@ -77,9 +85,31 @@ boolean removeStorage(DatanodeStorageInfo storage) {
setStorageInfo(dnIndex, getStorageInfo(lastNode));
// set the last entry to null
setStorageInfo(lastNode, null);
+ if (storage.getStorageType() == StorageType.PROVIDED
+ && !hasProvidedStorages()) {
Review comment:
Can you go over the overhead added to the regular pipeline without Provided?
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