org.elasticsearch.monitor.os

Class OsProbe

java.lang.Object

org.elasticsearch.monitor.os.OsProbe

public class OsProbe
extends java.lang.Object

Method Summary

Modifier and Type	Method and Description
protected boolean	areCgroupStatsAvailable() Checks if cgroup stats are available by checking for the existence of /proc/self/cgroup, /sys/fs/cgroup/cpu, and /sys/fs/cgroup/cpuacct.
long	getFreePhysicalMemorySize() Returns the amount of free physical memory in bytes.
long	getFreeSwapSpaceSize() Returns the amount of free swap space in bytes.
static OsProbe	getInstance()
short	getSystemCpuPercent()
long	getTotalPhysicalMemorySize() Returns the total amount of physical memory in bytes.
long	getTotalSwapSpaceSize() Returns the total amount of swap space in bytes.
OsInfo	osInfo(long refreshInterval, int allocatedProcessors)
OsStats	osStats()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

getFreePhysicalMemorySize

public long getFreePhysicalMemorySize()

Returns the amount of free physical memory in bytes.

getTotalPhysicalMemorySize

public long getTotalPhysicalMemorySize()

Returns the total amount of physical memory in bytes.

getFreeSwapSpaceSize

public long getFreeSwapSpaceSize()

Returns the amount of free swap space in bytes.

getTotalSwapSpaceSize

public long getTotalSwapSpaceSize()

Returns the total amount of swap space in bytes.

getSystemCpuPercent

public short getSystemCpuPercent()

areCgroupStatsAvailable

protected boolean areCgroupStatsAvailable()

Checks if cgroup stats are available by checking for the existence of /proc/self/cgroup, /sys/fs/cgroup/cpu, and /sys/fs/cgroup/cpuacct.

Returns:

true if the stats are available, otherwise false

getInstance

public static OsProbe getInstance()

osInfo

public OsInfo osInfo(long refreshInterval,
                     int allocatedProcessors)

osStats

public OsStats osStats()