Package org.apache.zookeeper.server.util
Class OSMXBean
- java.lang.Object
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- org.apache.zookeeper.server.util.OSMXBean
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public class OSMXBean extends Object
This class is a wrapper for the implementation of com.sun.management.UnixOperatingSystemMXBean It will decide to use the sun api or its own implementation depending on the runtime (vendor) used.
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Constructor Summary
Constructors Constructor Description OSMXBean()
Constructor.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description long
getMaxFileDescriptorCount()
Get the number of the maximum file descriptors the system can use.long
getOpenFileDescriptorCount()
Get the number of opened filed descriptor for the runtime jvm.boolean
getUnix()
Check if the OS is unix.
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Method Detail
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getUnix
public boolean getUnix()
Check if the OS is unix. If using the IBM java runtime, this will only work for linux.- Returns:
- whether this is unix or not.
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getOpenFileDescriptorCount
public long getOpenFileDescriptorCount()
Get the number of opened filed descriptor for the runtime jvm. If sun java, it will use the com.sun.management interfaces. Otherwise, this methods implements it (linux only).- Returns:
- number of open file descriptors for the jvm
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getMaxFileDescriptorCount
public long getMaxFileDescriptorCount()
Get the number of the maximum file descriptors the system can use. If sun java, it will use the com.sun.management interfaces. Otherwise, this methods implements it (linux only).- Returns:
- max number of file descriptors the operating system can use.
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