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https://issues.apache.org/jira/browse/HDFS-15814?focusedWorklogId=551678&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-551678
]
ASF GitHub Bot logged work on HDFS-15814:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 12/Feb/21 05:19
Start Date: 12/Feb/21 05:19
Worklog Time Spent: 10m
Work Description: tomscut commented on a change in pull request #2676:
URL: https://github.com/apache/hadoop/pull/2676#discussion_r574257636
##########
File path:
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/metrics/DataNodeDiskMetrics.java
##########
@@ -61,11 +61,26 @@
// code, status should not be overridden by daemon thread.
private boolean overrideStatus = true;
- public DataNodeDiskMetrics(DataNode dn, long diskOutlierDetectionIntervalMs)
{
+ /**
+ * Minimum number of disks to run outlier detection.
+ */
+ private final long minOutlierDetectionDisks;
+ /**
+ * Threshold in milliseconds below which a disk is definitely not slow.
+ */
+ private final long lowThresholdMs;
+
+ public DataNodeDiskMetrics(DataNode dn, long diskOutlierDetectionIntervalMs,
Configuration conf) {
this.dn = dn;
this.detectionInterval = diskOutlierDetectionIntervalMs;
- slowDiskDetector = new OutlierDetector(MIN_OUTLIER_DETECTION_DISKS,
- SLOW_DISK_LOW_THRESHOLD_MS);
Review comment:
Yeah, do we need to change anything else?
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Issue Time Tracking
-------------------
Worklog Id: (was: 551678)
Time Spent: 50m (was: 40m)
> Make some parameters configurable for DataNodeDiskMetrics
> ---------------------------------------------------------
>
> Key: HDFS-15814
> URL: https://issues.apache.org/jira/browse/HDFS-15814
> Project: Hadoop HDFS
> Issue Type: Wish
> Components: hdfs
> Reporter: tomscut
> Priority: Major
> Labels: pull-request-available
> Time Spent: 50m
> Remaining Estimate: 0h
>
> For ease of use, especially for small clusters, we can change some
> parameters(MIN_OUTLIER_DETECTION_DISKS, SLOW_DISK_LOW_THRESHOLD_MS)
> configurable.
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