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metadata_metrics
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CreateFileOps Total number of files created
FilesCreated Total number of files and directories created by create or mkdir operations
FilesAppended Total number of files appended
GetBlockLocations Total number of getBlockLocations operations
FilesRenamed Total number of rename operations (NOT number of files/dirs renamed)
GetListingOps Total number of directory listing operations
DeleteFileOps Total number of delete operations
FilesDeleted Total number of files and directories deleted by delete or rename operations
FileInfoOps Total number of getFileInfo and getLinkFileInfo operations
AddBlockOps Total number of addBlock operations succeeded
GetAdditionalDatanodeOps Total number of getAdditionalDatanode operations
CreateSymlinkOps Total number of createSymlink operations
GetLinkTargetOps Total number of getLinkTarget operations
FilesInGetListingOps Total number of files and directories listed by directory listing operations
AllowSnapshotOps Total number of allowSnapshot operations
DisallowSnapshotOps Total number of disallowSnapshot operations
CreateSnapshotOps Total number of createSnapshot operations
DeleteSnapshotOps Total number of deleteSnapshot operations
RenameSnapshotOps Total number of renameSnapshot operations
ListSnapshottableDirOps Total number of snapshottableDirectoryStatus operations
SnapshotDiffReportOps Total number of getSnapshotDiffReport operations
TransactionsNumOps Total number of Journal transactions
TransactionsAvgTime Average time of Journal transactions in milliseconds
SyncsNumOps Total number of Journal syncs
SyncsAvgTime Average time of Journal syncs in milliseconds
TransactionsBatchedInSync Total number of Journal transactions batched in sync
BlockReportNumOps Total number of processing block reports from DataNode
BlockReportAvgTime Average time of processing block reports in milliseconds
CacheReportNumOps Total number of processing cache reports from DataNode
CacheReportAvgTime Average time of processing cache reports in milliseconds
SafeModeTime The interval between FSNameSystem starts and the last time safemode leaves in milliseconds. (sometimes not equal to the time in SafeMode, see HDFS-5156)
FsImageLoadTime Time loading FS Image at startup in milliseconds
FsImageLoadTime Time loading FS Image at startup in milliseconds
GetEditNumOps Total number of edits downloads from SecondaryNameNode
GetEditAvgTime Average edits download time in milliseconds
GetImageNumOps Total number of fsimage downloads from SecondaryNameNode
GetImageAvgTime Average fsimage download time in milliseconds
PutImageNumOps Total number of fsimage uploads to SecondaryNameNode
PutImageAvgTime Average fsimage upload time in milliseconds