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@InterfaceAudience.Public @InterfaceStability.Stable public interface NameNodeMXBean
This is the JMX management interface for namenode information
Method Summary | |
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String |
getDeadNodes()
Gets the dead node information of the cluster. |
String |
getDecomNodes()
Gets the decommissioning node information of the cluster. |
long |
getFree()
Gets total non-used raw bytes. |
String |
getLiveNodes()
Gets the live node information of the cluster. |
long |
getNonDfsUsedSpace()
Gets total used space by data nodes for non DFS purposes such as storing temporary files on the local file system |
float |
getPercentRemaining()
Gets the total remaining space by data nodes as percentage of total capacity |
float |
getPercentUsed()
Gets the total used space by data nodes as percentage of total capacity |
String |
getSafemode()
Gets the safemode status |
int |
getThreads()
Gets the number of threads. |
long |
getTotal()
Gets total raw bytes including non-dfs used space. |
long |
getTotalBlocks()
Gets the total numbers of blocks on the cluster. |
long |
getTotalFiles()
Gets the total number of files on the cluster |
long |
getUsed()
Gets the used space by data nodes. |
String |
getVersion()
Gets the version of Hadoop. |
boolean |
isUpgradeFinalized()
Checks if upgrade is finalized. |
Method Detail |
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String getVersion()
long getUsed()
long getFree()
long getTotal()
String getSafemode()
boolean isUpgradeFinalized()
long getNonDfsUsedSpace()
float getPercentUsed()
float getPercentRemaining()
long getTotalBlocks()
long getTotalFiles()
int getThreads()
String getLiveNodes()
String getDeadNodes()
String getDecomNodes()
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