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From ste...@apache.org
Subject [48/50] [abbrv] hadoop git commit: HDFS-12317. HDFS metrics render error in the page of Github. Contributed by Yiqun Lin.
Date Thu, 31 Aug 2017 16:41:27 GMT
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/HADOOP-13345
Commit: ac12e153a8cddb5def3b7f308c7d4d990b5b0436
Parents: 71bbb86
Author: Yiqun Lin <yqlin@apache.org>
Authored: Thu Aug 31 17:23:17 2017 +0800
Committer: Yiqun Lin <yqlin@apache.org>
Committed: Thu Aug 31 17:23:17 2017 +0800

----------------------------------------------------------------------
 .../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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