ayushtkn commented on a change in pull request #2833:
URL: https://github.com/apache/hadoop/pull/2833#discussion_r614224919
##########
File path:
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/DirectoryScanner.java
##########
@@ -315,6 +316,40 @@ public DirectoryScanner(FsDatasetSpi<?> dataset,
Configuration conf) {
masterThread =
new ScheduledThreadPoolExecutor(1, new Daemon.DaemonFactory());
+
+ int reconcileBatchSize =
+ conf.getInt(DFSConfigKeys.
+ DFS_DATANODE_RECONCILE_BLOCKS_BATCH_SIZE,
+ DFSConfigKeys.
+ DFS_DATANODE_RECONCILE_BLOCKS_BATCH_SIZE_DEFAULT);
+
+ if (reconcileBatchSize < 0) {
+ LOG.warn(
+ "Invalid value configured for
dfs.datanode.reconcile.blocks.batch.size, " +
+ "should be greater than 0, Using default.");
+ reconcileBatchSize =
+ DFSConfigKeys.
+ DFS_DATANODE_RECONCILE_BLOCKS_BATCH_SIZE_DEFAULT;
+ }
+
+ reconcileBlocksBatchSize = reconcileBatchSize;
+
+ long reconcileBatchInterval =
+ conf.getLong(DFSConfigKeys.
+ DFS_DATANODE_RECONCILE_BLOCKS_BATCH_INTERVAL,
+ DFSConfigKeys.
+ DFS_DATANODE_RECONCILE_BLOCKS_BATCH_INTERVAL_DEFAULT);
Review comment:
This should use ``conf.getTimeDuration``, If you need some reference can
check HDFS-15107, so as how to add support for time units.
##########
File path: hadoop-hdfs-project/hadoop-hdfs/src/main/resources/hdfs-default.xml
##########
@@ -873,6 +873,22 @@
</description>
</property>
+<property>
+ <name>dfs.datanode.reconcile.blocks.batch.size</name>
+ <value>1000</value>
+ <description>HDFS-14476 to enable running reconcile to checkAndUpdate with
batch,
Review comment:
No need for jira id in the description, and this doesn't enable/disable,
it is just to specify the batch size.
##########
File path: hadoop-hdfs-project/hadoop-hdfs/src/main/resources/hdfs-default.xml
##########
@@ -873,6 +873,22 @@
</description>
</property>
+<property>
+ <name>dfs.datanode.reconcile.blocks.batch.size</name>
+ <value>1000</value>
+ <description>HDFS-14476 to enable running reconcile to checkAndUpdate with
batch,
+ setting this to define batch size.
+ </description>
+</property>
+
+<property>
+ <name>dfs.datanode.reconcile.blocks.batch.interval</name>
+ <value>2000</value>
+ <description>Setting this to define interval between
+ batches defined in dfs.datanode.reconcile.blocks.batch.size.
+ </description>
Review comment:
Some grammatical error, Please rectify
##########
File path:
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/DirectoryScanner.java
##########
@@ -315,6 +316,40 @@ public DirectoryScanner(FsDatasetSpi<?> dataset,
Configuration conf) {
masterThread =
new ScheduledThreadPoolExecutor(1, new Daemon.DaemonFactory());
+
+ int reconcileBatchSize =
+ conf.getInt(DFSConfigKeys.
+ DFS_DATANODE_RECONCILE_BLOCKS_BATCH_SIZE,
+ DFSConfigKeys.
+ DFS_DATANODE_RECONCILE_BLOCKS_BATCH_SIZE_DEFAULT);
+
+ if (reconcileBatchSize < 0) {
+ LOG.warn(
+ "Invalid value configured for
dfs.datanode.reconcile.blocks.batch.size, " +
+ "should be greater than 0, Using default.");
+ reconcileBatchSize =
+ DFSConfigKeys.
+ DFS_DATANODE_RECONCILE_BLOCKS_BATCH_SIZE_DEFAULT;
+ }
+
+ reconcileBlocksBatchSize = reconcileBatchSize;
+
+ long reconcileBatchInterval =
+ conf.getLong(DFSConfigKeys.
+ DFS_DATANODE_RECONCILE_BLOCKS_BATCH_INTERVAL,
+ DFSConfigKeys.
+ DFS_DATANODE_RECONCILE_BLOCKS_BATCH_INTERVAL_DEFAULT);
+
+ if (reconcileBatchInterval < 0) {
+ LOG.warn(
+ "Invalid value configured for
dfs.datanode.reconcile.blocks.batch.interval, " +
+ "should be greater than 0, Using default.");
+ reconcileBatchInterval =
+ DFSConfigKeys.
+ DFS_DATANODE_RECONCILE_BLOCKS_BATCH_INTERVAL_DEFAULT;
+ }
+
+ reconcileBlocksBatchInterval = reconcileBatchInterval;
}
Review comment:
You need to format this code properly
--
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
For queries about this service, please contact Infrastructure at:
[email protected]
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
