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HDFS-12317. HDFS metrics render error in the page of Github. Contributed by Yiqun Lin.

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Yiqun Lin 2017-08-31 17:23:17 +08:00
parent 71bbb86d69
commit ac12e153a8
1 changed files with 12 additions and 12 deletions
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hadoop-common-project/hadoop-common/src/site/markdown/Metrics.md
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@ -179,8 +179,8 @@ Each metrics record contains tags such as ProcessName, SessionId, and Hostname a
| `GenerateEDEKTimeAvgTime` | Average time of generating EDEK in milliseconds | | `GenerateEDEKTimeAvgTime` | Average time of generating EDEK in milliseconds |
| `WarmUpEDEKTimeNumOps` | Total number of warming up EDEK | | `WarmUpEDEKTimeNumOps` | Total number of warming up EDEK |
| `WarmUpEDEKTimeAvgTime` | Average time of warming up EDEK in milliseconds | | `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`. | | `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`. | | `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 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 | | `NumInMaintenanceLiveDataNodes` | Number of live Datanodes which are in maintenance state |
| `NumInMaintenanceDeadDataNodes` | Number of dead 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 | | `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*`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*`AvgTime` | Average time of holding the lock by operations in milliseconds |
JournalNode 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 | | `RamDiskBlocksEvictedWithoutRead` | Total number of blocks evicted in memory without ever being read from memory |
| `RamDiskBlocksEvictionWindowMsNumOps` | Number of blocks evicted in memory| | `RamDiskBlocksEvictionWindowMsNumOps` | Number of blocks evicted in memory|
| `RamDiskBlocksEvictionWindowMsAvgTime` | Average time of blocks in memory before being evicted in milliseconds | | `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 | | `RamDiskBlocksLazyPersisted` | Total number of blocks written to disk by lazy writer |
| `RamDiskBlocksDeletedBeforeLazyPersisted` | Total number of blocks deleted by application before being persisted to disk | | `RamDiskBlocksDeletedBeforeLazyPersisted` | Total number of blocks deleted by application before being persisted to disk |
| `RamDiskBytesLazyPersisted` | Total number of bytes written to disk by lazy writer | | `RamDiskBytesLazyPersisted` | Total number of bytes written to disk by lazy writer |
| `RamDiskBlocksLazyPersistWindowMsNumOps` | Number of blocks 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 | | `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 | | `FsyncCount` | Total number of fsync |
| `VolumeFailures` | Total number of volume failures occurred | | `VolumeFailures` | Total number of volume failures occurred |
| `ReadBlockOpNumOps` | Total number of read operations | | `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. | | `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 | | `MetadataOperationRateNumOps` | The number of metadata operations within an interval time of metric |
| `MetadataOperationRateAvgTime` | Mean time of metadata operations in milliseconds | | `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 | | `TotalDataFileIos` | Total number (monotonically increasing) of data file io operations |
| `DataFileIoRateNumOps` | The number of data file io operations within an interval time of metric | | `DataFileIoRateNumOps` | The number of data file io operations within an interval time of metric |
| `DataFileIoRateAvgTime` | Mean time of data file io operations in milliseconds | | `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 | | `FlushIoRateNumOps` | The number of file flush io operations within an interval time of metric |
| `FlushIoRateAvgTime` | Mean time of file flush io operations in milliseconds | | `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 | | `SyncIoRateNumOps` | The number of file sync io operations within an interval time of metric |
| `SyncIoRateAvgTime` | Mean time of file sync io operations in milliseconds | | `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 | | `ReadIoRateNumOps` | The number of file read io operations within an interval time of metric |
| `ReadIoRateAvgTime` | Mean time of file read io operations in milliseconds | | `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 | | `WriteIoRateNumOps` | The number of file write io operations within an interval time of metric |
| `WriteIoRateAvgTime` | Mean time of file write io operations in milliseconds | | `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 | | `TotalFileIoErrors` | Total number (monotonically increasing) of file io error operations |
| `FileIoErrorRateNumOps` | The number of file io error operations within an interval time of metric | | `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 | | `FileIoErrorRateAvgTime` | It measures the mean time in milliseconds from the start of an operation to hitting a failure |