本文整理汇总了Java中org.apache.hadoop.hdfs.server.blockmanagement.BlockPlacementPolicy.getInstance方法的典型用法代码示例。如果您正苦于以下问题：Java BlockPlacementPolicy.getInstance方法的具体用法？Java BlockPlacementPolicy.getInstance怎么用？Java BlockPlacementPolicy.getInstance使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类org.apache.hadoop.hdfs.server.blockmanagement.BlockPlacementPolicy的用法示例。
在下文中一共展示了BlockPlacementPolicy.getInstance方法的5个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: NamenodeFsck
import org.apache.hadoop.hdfs.server.blockmanagement.BlockPlacementPolicy; //导入方法依赖的package包/类
/**
* Filesystem checker.
* @param conf configuration (namenode config)
* @param namenode namenode that this fsck is going to use
* @param pmap key=value[] map passed to the http servlet as url parameters
* @param out output stream to write the fsck output
* @param totalDatanodes number of live datanodes
* @param remoteAddress source address of the fsck request
*/
NamenodeFsck(Configuration conf, NameNode namenode,
NetworkTopology networktopology,
Map<String,String[]> pmap, PrintWriter out,
int totalDatanodes, InetAddress remoteAddress) {
this.conf = conf;
this.namenode = namenode;
this.networktopology = networktopology;
this.out = out;
this.totalDatanodes = totalDatanodes;
this.remoteAddress = remoteAddress;
this.bpPolicy = BlockPlacementPolicy.getInstance(conf, null,
networktopology,
namenode.getNamesystem().getBlockManager().getDatanodeManager()
.getHost2DatanodeMap());
for (Iterator<String> it = pmap.keySet().iterator(); it.hasNext();) {
String key = it.next();
if (key.equals("path")) { this.path = pmap.get("path")[0]; }
else if (key.equals("move")) { this.doMove = true; }
else if (key.equals("delete")) { this.doDelete = true; }
else if (key.equals("files")) { this.showFiles = true; }
else if (key.equals("blocks")) { this.showBlocks = true; }
else if (key.equals("locations")) { this.showLocations = true; }
else if (key.equals("racks")) { this.showRacks = true; }
else if (key.equals("storagepolicies")) { this.showStoragePolcies = true; }
else if (key.equals("openforwrite")) {this.showOpenFiles = true; }
else if (key.equals("listcorruptfileblocks")) {
this.showCorruptFileBlocks = true;
} else if (key.equals("startblockafter")) {
this.currentCookie[0] = pmap.get("startblockafter")[0];
} else if (key.equals("includeSnapshots")) {
this.snapshottableDirs = new ArrayList<String>();
} else if (key.equals("blockId")) {
this.blockIds = pmap.get("blockId")[0];
}
}
}
示例2: checkReplicationPolicyCompatibility
import org.apache.hadoop.hdfs.server.blockmanagement.BlockPlacementPolicy; //导入方法依赖的package包/类
private static void checkReplicationPolicyCompatibility(Configuration conf
) throws UnsupportedActionException {
if (!(BlockPlacementPolicy.getInstance(conf, null, null, null) instanceof
BlockPlacementPolicyDefault)) {
throw new UnsupportedActionException(
"Balancer without BlockPlacementPolicyDefault");
}
}
示例3: NamenodeFsck
import org.apache.hadoop.hdfs.server.blockmanagement.BlockPlacementPolicy; //导入方法依赖的package包/类
/**
* Filesystem checker.
* @param conf configuration (namenode config)
* @param namenode namenode that this fsck is going to use
* @param pmap key=value[] map passed to the http servlet as url parameters
* @param out output stream to write the fsck output
* @param totalDatanodes number of live datanodes
* @param minReplication minimum replication
* @param remoteAddress source address of the fsck request
*/
NamenodeFsck(Configuration conf, NameNode namenode,
NetworkTopology networktopology,
Map<String,String[]> pmap, PrintWriter out,
int totalDatanodes, short minReplication, InetAddress remoteAddress) {
this.conf = conf;
this.namenode = namenode;
this.networktopology = networktopology;
this.out = out;
this.totalDatanodes = totalDatanodes;
this.minReplication = minReplication;
this.remoteAddress = remoteAddress;
this.bpPolicy = BlockPlacementPolicy.getInstance(conf, null,
networktopology,
namenode.getNamesystem().getBlockManager().getDatanodeManager()
.getHost2DatanodeMap());
for (Iterator<String> it = pmap.keySet().iterator(); it.hasNext();) {
String key = it.next();
if (key.equals("path")) { this.path = pmap.get("path")[0]; }
else if (key.equals("move")) { this.doMove = true; }
else if (key.equals("delete")) { this.doDelete = true; }
else if (key.equals("files")) { this.showFiles = true; }
else if (key.equals("blocks")) { this.showBlocks = true; }
else if (key.equals("locations")) { this.showLocations = true; }
else if (key.equals("racks")) { this.showRacks = true; }
else if (key.equals("openforwrite")) {this.showOpenFiles = true; }
else if (key.equals("listcorruptfileblocks")) {
this.showCorruptFileBlocks = true;
}
else if (key.equals("startblockafter")) {
this.currentCookie[0] = pmap.get("startblockafter")[0];
} else if (key.equals("includeSnapshots")) {
this.snapshottableDirs = new ArrayList<String>();
}
}
}
示例4: checkReplicationPolicyCompatibility
import org.apache.hadoop.hdfs.server.blockmanagement.BlockPlacementPolicy; //导入方法依赖的package包/类
private static void checkReplicationPolicyCompatibility(Configuration conf
) throws UnsupportedActionException {
if (!(BlockPlacementPolicy.getInstance(conf, null, null) instanceof
BlockPlacementPolicyDefault)) {
throw new UnsupportedActionException(
"Balancer without BlockPlacementPolicyDefault");
}
}
示例5: NamenodeFsck
import org.apache.hadoop.hdfs.server.blockmanagement.BlockPlacementPolicy; //导入方法依赖的package包/类
/**
* Filesystem checker.
* @param conf configuration (namenode config)
* @param namenode namenode that this fsck is going to use
* @param pmap key=value[] map passed to the http servlet as url parameters
* @param out output stream to write the fsck output
* @param totalDatanodes number of live datanodes
* @param minReplication minimum replication
* @param remoteAddress source address of the fsck request
* @throws IOException
*/
NamenodeFsck(Configuration conf, NameNode namenode,
NetworkTopology networktopology,
Map<String,String[]> pmap, PrintWriter out,
int totalDatanodes, short minReplication, InetAddress remoteAddress) {
this.conf = conf;
this.namenode = namenode;
this.networktopology = networktopology;
this.out = out;
this.totalDatanodes = totalDatanodes;
this.minReplication = minReplication;
this.remoteAddress = remoteAddress;
this.bpPolicy = BlockPlacementPolicy.getInstance(conf, null,
networktopology);
for (Iterator<String> it = pmap.keySet().iterator(); it.hasNext();) {
String key = it.next();
if (key.equals("path")) { this.path = pmap.get("path")[0]; }
else if (key.equals("move")) { this.doMove = true; }
else if (key.equals("delete")) { this.doDelete = true; }
else if (key.equals("files")) { this.showFiles = true; }
else if (key.equals("blocks")) { this.showBlocks = true; }
else if (key.equals("locations")) { this.showLocations = true; }
else if (key.equals("racks")) { this.showRacks = true; }
else if (key.equals("openforwrite")) {this.showOpenFiles = true; }
else if (key.equals("listcorruptfileblocks")) {
this.showCorruptFileBlocks = true;
}
else if (key.equals("startblockafter")) {
this.currentCookie[0] = pmap.get("startblockafter")[0];
} else if (key.equals("includeSnapshots")) {
this.snapshottableDirs = new ArrayList<String>();
}
}
}