sodonnel commented on a change in pull request #1028: HDFS-14617 - Improve
fsimage load time by writing sub-sections to the fsimage index
URL: https://github.com/apache/hadoop/pull/1028#discussion_r306736876
##########
File path:
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSImageFormatPBINode.java
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@@ -217,33 +273,151 @@ void loadINodeDirectorySection(InputStream in) throws
IOException {
INodeDirectory p = dir.getInode(e.getParent()).asDirectory();
for (long id : e.getChildrenList()) {
INode child = dir.getInode(id);
- addToParent(p, child);
+ if (addToParent(p, child)) {
+ if (child.isFile()) {
+ inodeList.add(child);
+ }
+ if (inodeList.size() >= 1000) {
+ addToCacheAndBlockMap(inodeList);
+ inodeList.clear();
+ }
+ }
+
Review comment:
Fixed.
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