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## org.apache.cassandra.db.commitlog
Class CommitLog

    java.lang.Object
      org.apache.cassandra.db.commitlog.CommitLog

All Implemented Interfaces:
  CommitLogMBean

    public class CommitLog

extends java.lang.Object
implements CommitLogMBean

Field Summary
`static CommitLog` | `instance`

Method Summary
`void` | `add(RowMutation rowMutation)`
`void` | `discardCompletedSegments(java.lang.Integer cfId, ReplayPosition context)`
`void` | `forceNewSegment()`
`long` | `getCompletedTasks()` Get the number of completed tasks
`ReplayPosition` | `getContext()`
`long` | `getPendingTasks()` Get the number of tasks waiting to be executed
`long` | `getSize()`
`long` | `getTotalCommitlogSize()` Get the current size used by all the commitlog segments.
`static int` | `recover()`
`static int` | `recover(java.io.File[] clogs)`
`void` | `resetUnsafe()`
`int` | `segmentsCount()`
`void` | `shutdownBlocking()`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Field Detail

### instance

    public static final CommitLog instance

Method Detail

### resetUnsafe

    public void resetUnsafe()

### recover

    public static int recover()
                       throws java.io.IOException

  Throws:
    `java.io.IOException`

### recover

    public static int recover(java.io.File[] clogs)
                       throws java.io.IOException

  Throws:
    `java.io.IOException`

### getContext

    public ReplayPosition getContext()

### segmentsCount

    public int segmentsCount()

### add

    public void add(RowMutation rowMutation)
             throws java.io.IOException

  Throws:
    `java.io.IOException`

### discardCompletedSegments

    public void discardCompletedSegments(java.lang.Integer cfId,
                                         ReplayPosition context)
                                  throws java.io.IOException

  Throws:
    `java.io.IOException`

### getSize

    public long getSize()

  Returns:
    the total size occupied by the commitlog segments expressed in bytes.

### getCompletedTasks

    public long getCompletedTasks()

  Description copied from interface: `CommitLogMBean`
  Get the number of completed tasks

  Specified by:
    `getCompletedTasks` in interface `CommitLogMBean`

### getPendingTasks

    public long getPendingTasks()

  Description copied from interface: `CommitLogMBean`
  Get the number of tasks waiting to be executed

  Specified by:
    `getPendingTasks` in interface `CommitLogMBean`

### getTotalCommitlogSize

    public long getTotalCommitlogSize()

  Description copied from interface: `CommitLogMBean`
  Get the current size used by all the commitlog segments.

  Specified by:
    `getTotalCommitlogSize` in interface `CommitLogMBean`

### forceNewSegment

    public void forceNewSegment()
                         throws java.util.concurrent.ExecutionException,
                                java.lang.InterruptedException

  Throws:
    `java.util.concurrent.ExecutionException`
    `java.lang.InterruptedException`

### shutdownBlocking

    public void shutdownBlocking()
                          throws java.lang.InterruptedException

  Throws:
    `java.lang.InterruptedException`

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Copyright © 2011 The Apache Software Foundation