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本文整理了Java中org.apache.hadoop.hbase.zookeeper.ZNodePaths.getZNodeForReplica()
方法的一些代码示例,展示了ZNodePaths.getZNodeForReplica()
的具体用法。这些代码示例主要来源于Github
/Stackoverflow
/Maven
等平台,是从一些精选项目中提取出来的代码,具有较强的参考意义,能在一定程度帮忙到你。ZNodePaths.getZNodeForReplica()
方法的具体详情如下:
包路径:org.apache.hadoop.hbase.zookeeper.ZNodePaths
类名称:ZNodePaths
方法名:getZNodeForReplica
[英]Get the znode string corresponding to a replicaId
[中]获取与replicaId对应的znode字符串
代码示例来源:origin: apache/hbase
public static void deleteMetaLocation(ZKWatcher zookeeper, int replicaId)
throws KeeperException {
if (replicaId == RegionInfo.DEFAULT_REPLICA_ID) {
LOG.info("Deleting hbase:meta region location in ZooKeeper");
} else {
LOG.info("Deleting hbase:meta for " + replicaId + " region location in ZooKeeper");
}
try {
// Just delete the node. Don't need any watches.
ZKUtil.deleteNode(zookeeper, zookeeper.getZNodePaths().getZNodeForReplica(replicaId));
} catch(KeeperException.NoNodeException nne) {
// Has already been deleted
}
}
/**
代码示例来源:origin: apache/hbase
private void unassignMetaReplica(HbckInfo hi) throws IOException, InterruptedException,
KeeperException {
undeployRegions(hi);
ZKUtil.deleteNode(zkw, zkw.getZNodePaths().getZNodeForReplica(hi.metaEntry.getReplicaId()));
}
代码示例来源:origin: apache/hbase
private static void waitUntilZnodeAvailable(int replicaId) throws Exception {
String znode = util.getZooKeeperWatcher().getZNodePaths().getZNodeForReplica(replicaId);
int i = 0;
while (i < 1000) {
if (ZKUtil.checkExists(util.getZooKeeperWatcher(), znode) == -1) {
Thread.sleep(100);
i++;
} else break;
}
if (i == 1000) throw new IOException("znode for meta replica " + replicaId + " not available");
}
代码示例来源:origin: apache/hbase
try {
ZKUtil.setData(zookeeper,
zookeeper.getZNodePaths().getZNodeForReplica(replicaId), data);
} catch(KeeperException.NoNodeException nne) {
if (replicaId == RegionInfo.DEFAULT_REPLICA_ID) {
", create it");
ZKUtil.createAndWatch(zookeeper, zookeeper.getZNodePaths().getZNodeForReplica(replicaId),
data);
代码示例来源:origin: apache/hbase
private void unassignExcessMetaReplica(int numMetaReplicasConfigured) {
final ZKWatcher zooKeeper = master.getZooKeeper();
// unassign the unneeded replicas (for e.g., if the previous master was configured
// with a replication of 3 and now it is 2, we need to unassign the 1 unneeded replica)
try {
List<String> metaReplicaZnodes = zooKeeper.getMetaReplicaNodes();
for (String metaReplicaZnode : metaReplicaZnodes) {
int replicaId = zooKeeper.getZNodePaths().getMetaReplicaIdFromZnode(metaReplicaZnode);
if (replicaId >= numMetaReplicasConfigured) {
RegionState r = MetaTableLocator.getMetaRegionState(zooKeeper, replicaId);
LOG.info("Closing excess replica of meta region " + r.getRegion());
// send a close and wait for a max of 30 seconds
ServerManager.closeRegionSilentlyAndWait(master.getClusterConnection(),
r.getServerName(), r.getRegion(), 30000);
ZKUtil.deleteNode(zooKeeper, zooKeeper.getZNodePaths().getZNodeForReplica(replicaId));
}
}
} catch (Exception ex) {
// ignore the exception since we don't want the master to be wedged due to potential
// issues in the cleanup of the extra regions. We can do that cleanup via hbck or manually
LOG.warn("Ignoring exception " + ex);
}
}
}
代码示例来源:origin: apache/hbase
@Test
public void testZookeeperNodesForReplicas() throws Exception {
// Checks all the znodes exist when meta's replicas are enabled
ZKWatcher zkw = TEST_UTIL.getZooKeeperWatcher();
Configuration conf = TEST_UTIL.getConfiguration();
String baseZNode = conf.get(HConstants.ZOOKEEPER_ZNODE_PARENT,
HConstants.DEFAULT_ZOOKEEPER_ZNODE_PARENT);
String primaryMetaZnode = ZNodePaths.joinZNode(baseZNode,
conf.get("zookeeper.znode.metaserver", "meta-region-server"));
// check that the data in the znode is parseable (this would also mean the znode exists)
byte[] data = ZKUtil.getData(zkw, primaryMetaZnode);
ProtobufUtil.toServerName(data);
for (int i = 1; i < 3; i++) {
String secZnode = ZNodePaths.joinZNode(baseZNode,
conf.get("zookeeper.znode.metaserver", "meta-region-server") + "-" + i);
String str = zkw.getZNodePaths().getZNodeForReplica(i);
assertTrue(str.equals(secZnode));
// check that the data in the znode is parseable (this would also mean the znode exists)
data = ZKUtil.getData(zkw, secZnode);
ProtobufUtil.toServerName(data);
}
}
代码示例来源:origin: apache/hbase
ServerName serverName = null;
try {
byte[] data = ZKUtil.getData(zkw, zkw.getZNodePaths().getZNodeForReplica(replicaId));
if (data != null && data.length > 0 && ProtobufUtil.isPBMagicPrefix(data)) {
try {
代码示例来源:origin: apache/hbase
@Test
public void testIsClientReadable() {
ZNodePaths znodePaths = new ZNodePaths(HBaseConfiguration.create());
assertTrue(znodePaths.isClientReadable(znodePaths.baseZNode));
assertTrue(znodePaths.isClientReadable(znodePaths.getZNodeForReplica(0)));
assertTrue(znodePaths.isClientReadable(znodePaths.masterAddressZNode));
assertTrue(znodePaths.isClientReadable(znodePaths.clusterIdZNode));
assertTrue(znodePaths.isClientReadable(znodePaths.tableZNode));
assertTrue(znodePaths.isClientReadable(ZNodePaths.joinZNode(znodePaths.tableZNode, "foo")));
assertTrue(znodePaths.isClientReadable(znodePaths.rsZNode));
assertFalse(znodePaths.isClientReadable(znodePaths.tableLockZNode));
assertFalse(znodePaths.isClientReadable(znodePaths.balancerZNode));
assertFalse(znodePaths.isClientReadable(znodePaths.regionNormalizerZNode));
assertFalse(znodePaths.isClientReadable(znodePaths.clusterStateZNode));
assertFalse(znodePaths.isClientReadable(znodePaths.drainingZNode));
assertFalse(znodePaths.isClientReadable(znodePaths.splitLogZNode));
assertFalse(znodePaths.isClientReadable(znodePaths.backupMasterAddressesZNode));
}
}
代码示例来源:origin: apache/hbase
@Ignore @Test // The close silently doesn't work any more since HBASE-14614. Fix.
public void testHBaseFsckWithFewerMetaReplicaZnodes() throws Exception {
ClusterConnection c = (ClusterConnection)ConnectionFactory.createConnection(
TEST_UTIL.getConfiguration());
RegionLocations rl = c.locateRegion(TableName.META_TABLE_NAME, HConstants.EMPTY_START_ROW,
false, false);
HBaseFsckRepair.closeRegionSilentlyAndWait(c,
rl.getRegionLocation(2).getServerName(), rl.getRegionLocation(2).getRegionInfo());
ZKWatcher zkw = TEST_UTIL.getZooKeeperWatcher();
ZKUtil.deleteNode(zkw, zkw.getZNodePaths().getZNodeForReplica(2));
// check that problem exists
HBaseFsck hbck = doFsck(TEST_UTIL.getConfiguration(), false);
assertErrors(hbck, new ERROR_CODE[]{ERROR_CODE.UNKNOWN,ERROR_CODE.NO_META_REGION});
// fix the problem
hbck = doFsck(TEST_UTIL.getConfiguration(), true);
// run hbck again to make sure we don't see any errors
hbck = doFsck(TEST_UTIL.getConfiguration(), false);
assertErrors(hbck, new ERROR_CODE[]{});
}
代码示例来源:origin: org.apache.hbase/hbase-zookeeper
public void deleteMetaLocation(ZKWatcher zookeeper, int replicaId)
throws KeeperException {
if (replicaId == RegionInfo.DEFAULT_REPLICA_ID) {
LOG.info("Deleting hbase:meta region location in ZooKeeper");
} else {
LOG.info("Deleting hbase:meta for " + replicaId + " region location in ZooKeeper");
}
try {
// Just delete the node. Don't need any watches.
ZKUtil.deleteNode(zookeeper, zookeeper.getZNodePaths().getZNodeForReplica(replicaId));
} catch(KeeperException.NoNodeException nne) {
// Has already been deleted
}
}
/**
代码示例来源:origin: org.apache.hbase/hbase-client
@Test
public void testIsClientReadable() {
ZNodePaths znodePaths = new ZNodePaths(HBaseConfiguration.create());
assertTrue(znodePaths.isClientReadable(znodePaths.baseZNode));
assertTrue(znodePaths.isClientReadable(znodePaths.getZNodeForReplica(0)));
assertTrue(znodePaths.isClientReadable(znodePaths.masterAddressZNode));
assertTrue(znodePaths.isClientReadable(znodePaths.clusterIdZNode));
assertTrue(znodePaths.isClientReadable(znodePaths.tableZNode));
assertTrue(znodePaths.isClientReadable(ZNodePaths.joinZNode(znodePaths.tableZNode, "foo")));
assertTrue(znodePaths.isClientReadable(znodePaths.rsZNode));
assertFalse(znodePaths.isClientReadable(znodePaths.tableLockZNode));
assertFalse(znodePaths.isClientReadable(znodePaths.balancerZNode));
assertFalse(znodePaths.isClientReadable(znodePaths.regionNormalizerZNode));
assertFalse(znodePaths.isClientReadable(znodePaths.clusterStateZNode));
assertFalse(znodePaths.isClientReadable(znodePaths.drainingZNode));
assertFalse(znodePaths.isClientReadable(znodePaths.splitLogZNode));
assertFalse(znodePaths.isClientReadable(znodePaths.backupMasterAddressesZNode));
}
}
代码示例来源:origin: org.apache.hbase/hbase-it
private static void waitUntilZnodeAvailable(int replicaId) throws Exception {
String znode = util.getZooKeeperWatcher().getZNodePaths().getZNodeForReplica(replicaId);
int i = 0;
while (i < 1000) {
if (ZKUtil.checkExists(util.getZooKeeperWatcher(), znode) == -1) {
Thread.sleep(100);
i++;
} else break;
}
if (i == 1000) throw new IOException("znode for meta replica " + replicaId + " not available");
}
代码示例来源:origin: org.apache.hbase/hbase-zookeeper
try {
ZKUtil.setData(zookeeper,
zookeeper.getZNodePaths().getZNodeForReplica(replicaId), data);
} catch(KeeperException.NoNodeException nne) {
if (replicaId == RegionInfo.DEFAULT_REPLICA_ID) {
", create it");
ZKUtil.createAndWatch(zookeeper, zookeeper.getZNodePaths().getZNodeForReplica(replicaId),
data);
代码示例来源:origin: org.apache.hbase/hbase-server
@Test
public void testZookeeperNodesForReplicas() throws Exception {
// Checks all the znodes exist when meta's replicas are enabled
ZKWatcher zkw = TEST_UTIL.getZooKeeperWatcher();
Configuration conf = TEST_UTIL.getConfiguration();
String baseZNode = conf.get(HConstants.ZOOKEEPER_ZNODE_PARENT,
HConstants.DEFAULT_ZOOKEEPER_ZNODE_PARENT);
String primaryMetaZnode = ZNodePaths.joinZNode(baseZNode,
conf.get("zookeeper.znode.metaserver", "meta-region-server"));
// check that the data in the znode is parseable (this would also mean the znode exists)
byte[] data = ZKUtil.getData(zkw, primaryMetaZnode);
ProtobufUtil.toServerName(data);
for (int i = 1; i < 3; i++) {
String secZnode = ZNodePaths.joinZNode(baseZNode,
conf.get("zookeeper.znode.metaserver", "meta-region-server") + "-" + i);
String str = zkw.getZNodePaths().getZNodeForReplica(i);
assertTrue(str.equals(secZnode));
// check that the data in the znode is parseable (this would also mean the znode exists)
data = ZKUtil.getData(zkw, secZnode);
ProtobufUtil.toServerName(data);
}
}
代码示例来源:origin: org.apache.hbase/hbase-zookeeper
ServerName serverName = null;
try {
byte[] data = ZKUtil.getData(zkw, zkw.getZNodePaths().getZNodeForReplica(replicaId));
if (data != null && data.length > 0 && ProtobufUtil.isPBMagicPrefix(data)) {
try {
代码示例来源:origin: org.apache.hbase/hbase-server
@Ignore @Test // The close silently doesn't work any more since HBASE-14614. Fix.
public void testHBaseFsckWithFewerMetaReplicaZnodes() throws Exception {
ClusterConnection c = (ClusterConnection)ConnectionFactory.createConnection(
TEST_UTIL.getConfiguration());
RegionLocations rl = c.locateRegion(TableName.META_TABLE_NAME, HConstants.EMPTY_START_ROW,
false, false);
HBaseFsckRepair.closeRegionSilentlyAndWait(c,
rl.getRegionLocation(2).getServerName(), rl.getRegionLocation(2).getRegionInfo());
ZKWatcher zkw = TEST_UTIL.getZooKeeperWatcher();
ZKUtil.deleteNode(zkw, zkw.getZNodePaths().getZNodeForReplica(2));
// check that problem exists
HBaseFsck hbck = doFsck(TEST_UTIL.getConfiguration(), false);
assertErrors(hbck, new ERROR_CODE[]{ERROR_CODE.UNKNOWN,ERROR_CODE.NO_META_REGION});
// fix the problem
hbck = doFsck(TEST_UTIL.getConfiguration(), true);
// run hbck again to make sure we don't see any errors
hbck = doFsck(TEST_UTIL.getConfiguration(), false);
assertErrors(hbck, new ERROR_CODE[]{});
}
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