Class org.apache.hadoop.util.ProcfsBasedProcessTree

The superclass changed from java.lang.Object to org.apache.hadoop.util.ProcessTree.

Added Constructors
ProcfsBasedProcessTree(String, boolean)
ProcfsBasedProcessTree(String, boolean, long)
ProcfsBasedProcessTree(String, boolean, long, String)	Build a new process tree rooted at the pid.

 

Removed Methods
String getPidFromPidFile(String)	Get PID from a pid-file.

 

Added Methods
void assertAndDestroyProcessGroup(String, long, boolean)	Make sure that the given pid is a process group leader and then destroy the process group.
void destroy(boolean)	Destroy the process-tree.
long getCumulativeCpuTime()	Get the CPU time in millisecond used by all the processes in the process-tree since the process-tree created
long getCumulativeRssmem()	Get the cumulative resident set size (rss) memory used by all the processes in the process-tree.
long getCumulativeRssmem(int)	Get the cumulative resident set size (rss) memory used by all the processes in the process-tree that are older than the passed in age.
String getProcessTreeDump()	Get a dump of the process-tree.
boolean isAnyProcessInTreeAlive()	Is any of the subprocesses in the process-tree alive

 

Changed Methods
void setSigKillInterval(long)	Now deprecated.	Use {@link ProcfsBasedProcessTree#ProcfsBasedProcessTree( String, boolean, long)} instead

 

Added Fields
long JIFFY_LENGTH_IN_MILLIS
long PAGE_SIZE

 

Changed Fields
long DEFAULT_SLEEPTIME_BEFORE_SIGKILL	Field was locally defined, but is now inherited from ProcessTree.