DatanodeStoreCache (Apache Ozone HDDS Container Service 2.1.0 API)

java.lang.Object

org.apache.hadoop.ozone.container.common.utils.DatanodeStoreCache

public final class DatanodeStoreCache extends Object

Cache for all per-disk DB handles under schema v3.

Method Summary

Modifier and Type

Method

Description

void

addDB(String containerDBPath, RawDB db)

RawDB

getDB(String containerDBPath, org.apache.hadoop.hdds.conf.ConfigurationSource conf)

static DatanodeStoreCache

getInstance()

void

removeDB(String containerDBPath)

static void

setMiniClusterMode()

static void

setMiniClusterMode(boolean isMiniCluster)

void

shutdownCache()

int

size()

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

Method Details
- getInstance
  
  public static DatanodeStoreCache getInstance()
- setMiniClusterMode
  
  public static void setMiniClusterMode()
- setMiniClusterMode
  
  public static void setMiniClusterMode(boolean isMiniCluster)
- addDB
  
  public void addDB(String containerDBPath, RawDB db)
- getDB
  
  public RawDB getDB(String containerDBPath, org.apache.hadoop.hdds.conf.ConfigurationSource conf) throws IOException
  
  Throws:
  
  IOException
- removeDB
  
  public void removeDB(String containerDBPath)
- shutdownCache
  
  public void shutdownCache()
- size
  
  public int size()