org.apache.hadoop.hbase.quotas

Class SpaceQuotaRefresherChore

java.lang.Object

org.apache.hadoop.hbase.ScheduledChore

org.apache.hadoop.hbase.quotas.SpaceQuotaRefresherChore

All Implemented Interfaces:

Runnable

public class SpaceQuotaRefresherChore
extends ScheduledChore

A ScheduledChore which periodically updates the RegionServerSpaceQuotaManager with information from the hbase:quota.

Constructor Summary

Constructors

Constructor and Description
SpaceQuotaRefresherChore(RegionServerSpaceQuotaManager manager, Connection conn)

Method Summary

Modifier and Type	Method and Description
protected void	chore() The task to execute on each scheduled execution of the Chore
Map<TableName,SpaceQuotaSnapshot>	fetchSnapshotsFromQuotaTable() Reads all quota violation policies which are to be enforced from the quota table.

Methods inherited from class org.apache.hadoop.hbase.ScheduledChore

cancel, cancel, choreForTesting, cleanup, getInitialDelay, getName, getPeriod, getStopper, getTimeUnit, initialChore, isInitialChoreComplete, isScheduled, run, toString, triggerNow

Methods inherited from class java.lang.Object

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

Constructor Detail

SpaceQuotaRefresherChore

public SpaceQuotaRefresherChore(RegionServerSpaceQuotaManager manager,
                                Connection conn)

Method Detail

chore

protected void chore()

Description copied from class: ScheduledChore

The task to execute on each scheduled execution of the Chore

Specified by:

chore in class ScheduledChore

fetchSnapshotsFromQuotaTable

public Map<TableName,SpaceQuotaSnapshot> fetchSnapshotsFromQuotaTable()
                                                               throws IOException

Reads all quota violation policies which are to be enforced from the quota table.

Returns:

The collection of tables which are in violation of their quota and the policy which should be enforced.

Throws:

IOException