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Posted to common-commits@hadoop.apache.org by yq...@apache.org on 2017/08/31 09:23:52 UTC
hadoop git commit: HDFS-12317. HDFS metrics render error in the page
of Github. Contributed by Yiqun Lin.
Repository: hadoop
Updated Branches:
refs/heads/trunk 71bbb86d6 -> ac12e153a
HDFS-12317. HDFS metrics render error in the page of Github. Contributed by Yiqun Lin.
Project: http://git-wip-us.apache.org/repos/asf/hadoop/repo
Commit: http://git-wip-us.apache.org/repos/asf/hadoop/commit/ac12e153
Tree: http://git-wip-us.apache.org/repos/asf/hadoop/tree/ac12e153
Diff: http://git-wip-us.apache.org/repos/asf/hadoop/diff/ac12e153
Branch: refs/heads/trunk
Commit: ac12e153a8cddb5def3b7f308c7d4d990b5b0436
Parents: 71bbb86
Author: Yiqun Lin <yq...@apache.org>
Authored: Thu Aug 31 17:23:17 2017 +0800
Committer: Yiqun Lin <yq...@apache.org>
Committed: Thu Aug 31 17:23:17 2017 +0800
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.../hadoop-common/src/site/markdown/Metrics.md | 24 ++++++++++----------
1 file changed, 12 insertions(+), 12 deletions(-)
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http://git-wip-us.apache.org/repos/asf/hadoop/blob/ac12e153/hadoop-common-project/hadoop-common/src/site/markdown/Metrics.md
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diff --git a/hadoop-common-project/hadoop-common/src/site/markdown/Metrics.md b/hadoop-common-project/hadoop-common/src/site/markdown/Metrics.md
index 4543fac..367d9e0 100644
--- a/hadoop-common-project/hadoop-common/src/site/markdown/Metrics.md
+++ b/hadoop-common-project/hadoop-common/src/site/markdown/Metrics.md
@@ -179,8 +179,8 @@ Each metrics record contains tags such as ProcessName, SessionId, and Hostname a
| `GenerateEDEKTimeAvgTime` | Average time of generating EDEK in milliseconds |
| `WarmUpEDEKTimeNumOps` | Total number of warming up EDEK |
| `WarmUpEDEKTimeAvgTime` | Average time of warming up EDEK in milliseconds |
-| `ResourceCheckTime`*num*`s(50|75|90|95|99)thPercentileLatency` | The 50/75/90/95/99th percentile of NameNode resource check latency in milliseconds. Percentile measurement is off by default, by watching no intervals. The intervals are specified by `dfs.metrics.percentiles.intervals`. |
-| `StorageBlockReport`*num*`s(50|75|90|95|99)thPercentileLatency` | The 50/75/90/95/99th percentile of storage block report latency in milliseconds. Percentile measurement is off by default, by watching no intervals. The intervals are specified by `dfs.metrics.percentiles.intervals`. |
+| `ResourceCheckTime`*num*`s(50/75/90/95/99)thPercentileLatency` | The 50/75/90/95/99th percentile of NameNode resource check latency in milliseconds. Percentile measurement is off by default, by watching no intervals. The intervals are specified by `dfs.metrics.percentiles.intervals`. |
+| `StorageBlockReport`*num*`s(50/75/90/95/99)thPercentileLatency` | The 50/75/90/95/99th percentile of storage block report latency in milliseconds. Percentile measurement is off by default, by watching no intervals. The intervals are specified by `dfs.metrics.percentiles.intervals`. |
FSNamesystem
------------
@@ -240,8 +240,8 @@ Each metrics record contains tags such as HAState and Hostname as additional inf
| `NumInMaintenanceLiveDataNodes` | Number of live Datanodes which are in maintenance state |
| `NumInMaintenanceDeadDataNodes` | Number of dead Datanodes which are in maintenance state |
| `NumEnteringMaintenanceDataNodes` | Number of Datanodes that are entering the maintenance state |
-| `FSN(Read|Write)Lock`*OperationName*`NumOps` | Total number of acquiring lock by operations |
-| `FSN(Read|Write)Lock`*OperationName*`AvgTime` | Average time of holding the lock by operations in milliseconds |
+| `FSN(Read/Write)Lock`*OperationName*`NumOps` | Total number of acquiring lock by operations |
+| `FSN(Read/Write)Lock`*OperationName*`AvgTime` | Average time of holding the lock by operations in milliseconds |
JournalNode
-----------
@@ -308,13 +308,13 @@ Each metrics record contains tags such as SessionId and Hostname as additional i
| `RamDiskBlocksEvictedWithoutRead` | Total number of blocks evicted in memory without ever being read from memory |
| `RamDiskBlocksEvictionWindowMsNumOps` | Number of blocks evicted in memory|
| `RamDiskBlocksEvictionWindowMsAvgTime` | Average time of blocks in memory before being evicted in milliseconds |
-| `RamDiskBlocksEvictionWindows`*num*`s(50|75|90|95|99)thPercentileLatency` | The 50/75/90/95/99th percentile of latency between memory write and eviction in milliseconds. Percentile measurement is off by default, by watching no intervals. The intervals are specified by `dfs.metrics.percentiles.intervals`. |
+| `RamDiskBlocksEvictionWindows`*num*`s(50/75/90/95/99)thPercentileLatency` | The 50/75/90/95/99th percentile of latency between memory write and eviction in milliseconds. Percentile measurement is off by default, by watching no intervals. The intervals are specified by `dfs.metrics.percentiles.intervals`. |
| `RamDiskBlocksLazyPersisted` | Total number of blocks written to disk by lazy writer |
| `RamDiskBlocksDeletedBeforeLazyPersisted` | Total number of blocks deleted by application before being persisted to disk |
| `RamDiskBytesLazyPersisted` | Total number of bytes written to disk by lazy writer |
| `RamDiskBlocksLazyPersistWindowMsNumOps` | Number of blocks written to disk by lazy writer |
| `RamDiskBlocksLazyPersistWindowMsAvgTime` | Average time of blocks written to disk by lazy writer in milliseconds |
-| `RamDiskBlocksLazyPersistWindows`*num*`s(50|75|90|95|99)thPercentileLatency` | The 50/75/90/95/99th percentile of latency between memory write and disk persist in milliseconds. Percentile measurement is off by default, by watching no intervals. The intervals are specified by `dfs.metrics.percentiles.intervals`. |
+| `RamDiskBlocksLazyPersistWindows`*num*`s(50/75/90/95/99)thPercentileLatency` | The 50/75/90/95/99th percentile of latency between memory write and disk persist in milliseconds. Percentile measurement is off by default, by watching no intervals. The intervals are specified by `dfs.metrics.percentiles.intervals`. |
| `FsyncCount` | Total number of fsync |
| `VolumeFailures` | Total number of volume failures occurred |
| `ReadBlockOpNumOps` | Total number of read operations |
@@ -380,23 +380,23 @@ contains tags such as Hostname as additional information along with metrics.
| `TotalMetadataOperations` | Total number (monotonically increasing) of metadata operations. Metadata operations include stat, list, mkdir, delete, move, open and posix_fadvise. |
| `MetadataOperationRateNumOps` | The number of metadata operations within an interval time of metric |
| `MetadataOperationRateAvgTime` | Mean time of metadata operations in milliseconds |
-| `MetadataOperationLatency`*num*`s(50|75|90|95|99)thPercentileLatency` | The 50/75/90/95/99th percentile of metadata operations latency in milliseconds. Percentile measurement is off by default, by watching no intervals. The intervals are specified by `dfs.metrics.percentiles.intervals`. |
+| `MetadataOperationLatency`*num*`s(50/75/90/95/99)thPercentileLatency` | The 50/75/90/95/99th percentile of metadata operations latency in milliseconds. Percentile measurement is off by default, by watching no intervals. The intervals are specified by `dfs.metrics.percentiles.intervals`. |
| `TotalDataFileIos` | Total number (monotonically increasing) of data file io operations |
| `DataFileIoRateNumOps` | The number of data file io operations within an interval time of metric |
| `DataFileIoRateAvgTime` | Mean time of data file io operations in milliseconds |
-| `DataFileIoLatency`*num*`s(50|75|90|95|99)thPercentileLatency` | The 50/75/90/95/99th percentile of data file io operations latency in milliseconds. Percentile measurement is off by default, by watching no intervals. The intervals are specified by `dfs.metrics.percentiles.intervals`. |
+| `DataFileIoLatency`*num*`s(50/75/90/95/99)thPercentileLatency` | The 50/75/90/95/99th percentile of data file io operations latency in milliseconds. Percentile measurement is off by default, by watching no intervals. The intervals are specified by `dfs.metrics.percentiles.intervals`. |
| `FlushIoRateNumOps` | The number of file flush io operations within an interval time of metric |
| `FlushIoRateAvgTime` | Mean time of file flush io operations in milliseconds |
-| `FlushIoLatency`*num*`s(50|75|90|95|99)thPercentileLatency` | The 50/75/90/95/99th percentile of file flush io operations latency in milliseconds. Percentile measurement is off by default, by watching no intervals. The intervals are specified by `dfs.metrics.percentiles.intervals`. |
+| `FlushIoLatency`*num*`s(50/75/90/95/99)thPercentileLatency` | The 50/75/90/95/99th percentile of file flush io operations latency in milliseconds. Percentile measurement is off by default, by watching no intervals. The intervals are specified by `dfs.metrics.percentiles.intervals`. |
| `SyncIoRateNumOps` | The number of file sync io operations within an interval time of metric |
| `SyncIoRateAvgTime` | Mean time of file sync io operations in milliseconds |
-| `SyncIoLatency`*num*`s(50|75|90|95|99)thPercentileLatency` | The 50/75/90/95/99th percentile of file sync io operations latency in milliseconds. Percentile measurement is off by default, by watching no intervals. The intervals are specified by `dfs.metrics.percentiles.intervals`. |
+| `SyncIoLatency`*num*`s(50/75/90/95/99)thPercentileLatency` | The 50/75/90/95/99th percentile of file sync io operations latency in milliseconds. Percentile measurement is off by default, by watching no intervals. The intervals are specified by `dfs.metrics.percentiles.intervals`. |
| `ReadIoRateNumOps` | The number of file read io operations within an interval time of metric |
| `ReadIoRateAvgTime` | Mean time of file read io operations in milliseconds |
-| `ReadIoLatency`*num*`s(50|75|90|95|99)thPercentileLatency` | The 50/75/90/95/99th percentile of file read io operations latency in milliseconds. Percentile measurement is off by default, by watching no intervals. The intervals are specified by `dfs.metrics.percentiles.intervals`. |
+| `ReadIoLatency`*num*`s(50/75/90/95/99)thPercentileLatency` | The 50/75/90/95/99th percentile of file read io operations latency in milliseconds. Percentile measurement is off by default, by watching no intervals. The intervals are specified by `dfs.metrics.percentiles.intervals`. |
| `WriteIoRateNumOps` | The number of file write io operations within an interval time of metric |
| `WriteIoRateAvgTime` | Mean time of file write io operations in milliseconds |
-| `WriteIoLatency`*num*`s(50|75|90|95|99)thPercentileLatency` | The 50/75/90/95/99th percentile of file write io operations latency in milliseconds. Percentile measurement is off by default, by watching no intervals. The intervals are specified by `dfs.metrics.percentiles.intervals`. |
+| `WriteIoLatency`*num*`s(50/75/90/95/99)thPercentileLatency` | The 50/75/90/95/99th percentile of file write io operations latency in milliseconds. Percentile measurement is off by default, by watching no intervals. The intervals are specified by `dfs.metrics.percentiles.intervals`. |
| `TotalFileIoErrors` | Total number (monotonically increasing) of file io error operations |
| `FileIoErrorRateNumOps` | The number of file io error operations within an interval time of metric |
| `FileIoErrorRateAvgTime` | It measures the mean time in milliseconds from the start of an operation to hitting a failure |
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