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https://issues.apache.org/jira/browse/HDFS-16397?focusedWorklogId=732031&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-732031
]
ASF GitHub Bot logged work on HDFS-16397:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 24/Feb/22 01:25
Start Date: 24/Feb/22 01:25
Worklog Time Spent: 10m
Work Description: tasanuma commented on a change in pull request #3828:
URL: https://github.com/apache/hadoop/pull/3828#discussion_r813467175
##########
File path:
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/BPServiceActor.java
##########
@@ -1356,10 +1358,21 @@ long getBlockReportIntervalMs() {
}
void setBlockReportIntervalMs(long intervalMs) {
- Preconditions.checkArgument(intervalMs > 0);
+ Preconditions.checkArgument(intervalMs > 0,
+ DFS_BLOCKREPORT_INTERVAL_MSEC_KEY + " should be larger than 0");
this.blockReportIntervalMs = intervalMs;
}
+ void setOutliersReportIntervalMs(long intervalMs) {
+ Preconditions.checkArgument(intervalMs > 0,
+ DFS_DATANODE_OUTLIERS_REPORT_INTERVAL_KEY + " should be larger than 0");
+ this.outliersReportIntervalMs = intervalMs;
+ }
+
+ long getOutliersReportIntervalMs() {
Review comment:
Please add VisibleForTesting.
##########
File path:
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/ProfilingFileIoEvents.java
##########
@@ -145,4 +137,24 @@ private DataNodeVolumeMetrics getVolumeMetrics(final
FsVolumeSpi volume) {
}
return null;
}
+
+ public void setSampleRangeMax(int fileIOSamplingPercentage) {
+ isEnabled = Util.isDiskStatsEnabled(fileIOSamplingPercentage);
+ if (fileIOSamplingPercentage > 100) {
+ LOG.warn(DFSConfigKeys
+ .DFS_DATANODE_FILEIO_PROFILING_SAMPLING_PERCENTAGE_KEY +
+ " value cannot be more than 100. Setting value to 100");
+ fileIOSamplingPercentage = 100;
+ }
+ sampleRangeMax = (int) ((double) fileIOSamplingPercentage / 100 *
+ Integer.MAX_VALUE);
+ }
+
+ public boolean getDiskStatsEnabled() {
Review comment:
You can remove this method since it isn't used anywhere. Or let's use it
in the unit test and add VisibleForTesting.
##########
File path:
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/ProfilingFileIoEvents.java
##########
@@ -145,4 +137,24 @@ private DataNodeVolumeMetrics getVolumeMetrics(final
FsVolumeSpi volume) {
}
return null;
}
+
+ public void setSampleRangeMax(int fileIOSamplingPercentage) {
+ isEnabled = Util.isDiskStatsEnabled(fileIOSamplingPercentage);
+ if (fileIOSamplingPercentage > 100) {
+ LOG.warn(DFSConfigKeys
+ .DFS_DATANODE_FILEIO_PROFILING_SAMPLING_PERCENTAGE_KEY +
+ " value cannot be more than 100. Setting value to 100");
+ fileIOSamplingPercentage = 100;
+ }
+ sampleRangeMax = (int) ((double) fileIOSamplingPercentage / 100 *
+ Integer.MAX_VALUE);
+ }
+
+ public boolean getDiskStatsEnabled() {
+ return isEnabled;
+ }
+
+ public int getSampleRangeMax() {
Review comment:
Please add VisibleForTesting.
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Issue Time Tracking
-------------------
Worklog Id: (was: 732031)
Time Spent: 1h 40m (was: 1.5h)
> Reconfig slow disk parameters for datanode
> ------------------------------------------
>
> Key: HDFS-16397
> URL: https://issues.apache.org/jira/browse/HDFS-16397
> Project: Hadoop HDFS
> Issue Type: New Feature
> Reporter: tomscut
> Assignee: tomscut
> Priority: Major
> Labels: pull-request-available
> Time Spent: 1h 40m
> Remaining Estimate: 0h
>
> In large clusters, rolling restart datanodes takes long time. We can make
> slow peers parameters and slow disks parameters in datanode reconfigurable to
> facilitate cluster operation and maintenance.
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