http://git-wip-us.apache.org/repos/asf/hbase-site/blob/b4aaf75c/devapidocs/src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.ZKUtilOp.SetData.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.ZKUtilOp.SetData.html b/devapidocs/src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.ZKUtilOp.SetData.html index 237a19a..0afe061 100644 --- a/devapidocs/src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.ZKUtilOp.SetData.html +++ b/devapidocs/src-html/org/apache/hadoop/hbase/zookeeper/ZKUtil.ZKUtilOp.SetData.html @@ -1508,623 +1508,643 @@ <span class="sourceLineNo">1500</span> /**<a name="line.1500"></a> <span class="sourceLineNo">1501</span> * @return a setData ZKUtilOp<a name="line.1501"></a> <span class="sourceLineNo">1502</span> */<a name="line.1502"></a> -<span class="sourceLineNo">1503</span> public static ZKUtilOp setData(String path, byte [] data) {<a name="line.1503"></a> +<span 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operations sequentially because"<a name="line.1681"></a> -<span class="sourceLineNo">1682</span> + " runSequentialOnMultiFailure is: " + runSequentialOnMultiFailure + ".");<a name="line.1682"></a> -<span class="sourceLineNo">1683</span> processSequentially(zkw, ops);<a name="line.1683"></a> -<span class="sourceLineNo">1684</span> break;<a name="line.1684"></a> -<span class="sourceLineNo">1685</span> }<a name="line.1685"></a> -<span class="sourceLineNo">1686</span> default:<a name="line.1686"></a> -<span class="sourceLineNo">1687</span> throw ke;<a name="line.1687"></a> -<span class="sourceLineNo">1688</span> }<a name="line.1688"></a> -<span class="sourceLineNo">1689</span> } catch (InterruptedException ie) {<a name="line.1689"></a> -<span class="sourceLineNo">1690</span> zkw.interruptedException(ie);<a name="line.1690"></a> -<span class="sourceLineNo">1691</span> }<a name="line.1691"></a> -<span class="sourceLineNo">1692</span> }<a name="line.1692"></a> -<span 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(SetData) op);<a name="line.1702"></a> -<span class="sourceLineNo">1703</span> } else {<a name="line.1703"></a> -<span class="sourceLineNo">1704</span> throw new UnsupportedOperationException("Unexpected ZKUtilOp type: "<a name="line.1704"></a> -<span class="sourceLineNo">1705</span> + op.getClass().getName());<a name="line.1705"></a> -<span class="sourceLineNo">1706</span> }<a name="line.1706"></a> -<span class="sourceLineNo">1707</span> }<a name="line.1707"></a> -<span class="sourceLineNo">1708</span> }<a name="line.1708"></a> -<span class="sourceLineNo">1709</span><a name="line.1709"></a> -<span class="sourceLineNo">1710</span> //<a name="line.1710"></a> -<span class="sourceLineNo">1711</span> // ZooKeeper cluster information<a name="line.1711"></a> -<span class="sourceLineNo">1712</span> //<a name="line.1712"></a> +<span class="sourceLineNo">1550</span> @Override<a name="line.1550"></a> +<span class="sourceLineNo">1551</span> public int hashCode() {<a name="line.1551"></a> +<span class="sourceLineNo">1552</span> int ret = 17 + getPath().hashCode() * 31;<a name="line.1552"></a> +<span class="sourceLineNo">1553</span> return ret * 31 + Bytes.hashCode(data);<a name="line.1553"></a> +<span class="sourceLineNo">1554</span> }<a name="line.1554"></a> +<span class="sourceLineNo">1555</span> }<a name="line.1555"></a> +<span class="sourceLineNo">1556</span><a name="line.1556"></a> +<span class="sourceLineNo">1557</span> /**<a name="line.1557"></a> +<span class="sourceLineNo">1558</span> * ZKUtilOp representing deleteNodeFailSilent in ZooKeeper<a name="line.1558"></a> +<span class="sourceLineNo">1559</span> * (attempt to delete node, ignore error if node doesn't exist)<a name="line.1559"></a> +<span class="sourceLineNo">1560</span> */<a name="line.1560"></a> +<span class="sourceLineNo">1561</span> public static final class DeleteNodeFailSilent extends ZKUtilOp {<a name="line.1561"></a> +<span class="sourceLineNo">1562</span> private DeleteNodeFailSilent(String path) {<a name="line.1562"></a> +<span class="sourceLineNo">1563</span> super(path);<a name="line.1563"></a> +<span class="sourceLineNo">1564</span> }<a name="line.1564"></a> +<span class="sourceLineNo">1565</span><a name="line.1565"></a> +<span class="sourceLineNo">1566</span> @Override<a name="line.1566"></a> +<span class="sourceLineNo">1567</span> public boolean equals(Object o) {<a name="line.1567"></a> +<span class="sourceLineNo">1568</span> if (this == o) {<a name="line.1568"></a> +<span class="sourceLineNo">1569</span> return true;<a name="line.1569"></a> +<span class="sourceLineNo">1570</span> }<a name="line.1570"></a> +<span class="sourceLineNo">1571</span> if (!(o instanceof DeleteNodeFailSilent)) {<a name="line.1571"></a> +<span class="sourceLineNo">1572</span> return false;<a name="line.1572"></a> +<span class="sourceLineNo">1573</span> }<a name="line.1573"></a> +<span class="sourceLineNo">1574</span><a name="line.1574"></a> +<span class="sourceLineNo">1575</span> return super.equals(o);<a name="line.1575"></a> +<span class="sourceLineNo">1576</span> }<a name="line.1576"></a> +<span class="sourceLineNo">1577</span><a name="line.1577"></a> +<span class="sourceLineNo">1578</span> @Override<a name="line.1578"></a> +<span class="sourceLineNo">1579</span> public int hashCode() {<a name="line.1579"></a> +<span class="sourceLineNo">1580</span> return getPath().hashCode();<a name="line.1580"></a> +<span class="sourceLineNo">1581</span> }<a name="line.1581"></a> +<span class="sourceLineNo">1582</span> }<a name="line.1582"></a> +<span class="sourceLineNo">1583</span><a name="line.1583"></a> +<span class="sourceLineNo">1584</span> /**<a name="line.1584"></a> +<span class="sourceLineNo">1585</span> * ZKUtilOp representing setData in ZooKeeper<a name="line.1585"></a> +<span class="sourceLineNo">1586</span> */<a name="line.1586"></a> +<span class="sourceLineNo">1587</span> public static final class SetData extends ZKUtilOp {<a name="line.1587"></a> +<span class="sourceLineNo">1588</span> private byte[] data;<a name="line.1588"></a> +<span class="sourceLineNo">1589</span> private int version = -1;<a name="line.1589"></a> +<span class="sourceLineNo">1590</span><a name="line.1590"></a> +<span class="sourceLineNo">1591</span> private SetData(String path, byte[] data) {<a name="line.1591"></a> +<span class="sourceLineNo">1592</span> super(path);<a name="line.1592"></a> +<span class="sourceLineNo">1593</span> this.data = data;<a name="line.1593"></a> +<span class="sourceLineNo">1594</span> }<a name="line.1594"></a> +<span class="sourceLineNo">1595</span><a name="line.1595"></a> +<span class="sourceLineNo">1596</span> private SetData(String path, byte[] data, int version) {<a name="line.1596"></a> +<span class="sourceLineNo">1597</span> super(path);<a name="line.1597"></a> +<span class="sourceLineNo">1598</span> this.data = data;<a name="line.1598"></a> +<span class="sourceLineNo">1599</span> this.version = version;<a name="line.1599"></a> +<span class="sourceLineNo">1600</span> }<a name="line.1600"></a> +<span class="sourceLineNo">1601</span><a name="line.1601"></a> +<span class="sourceLineNo">1602</span> public byte[] getData() {<a name="line.1602"></a> +<span class="sourceLineNo">1603</span> return data;<a name="line.1603"></a> +<span class="sourceLineNo">1604</span> }<a name="line.1604"></a> +<span class="sourceLineNo">1605</span><a name="line.1605"></a> +<span class="sourceLineNo">1606</span> public int getVersion() {<a name="line.1606"></a> +<span class="sourceLineNo">1607</span> return version;<a name="line.1607"></a> +<span class="sourceLineNo">1608</span> }<a name="line.1608"></a> +<span class="sourceLineNo">1609</span><a name="line.1609"></a> +<span class="sourceLineNo">1610</span> @Override<a name="line.1610"></a> +<span class="sourceLineNo">1611</span> public boolean equals(Object o) {<a name="line.1611"></a> +<span class="sourceLineNo">1612</span> if (this == o) {<a name="line.1612"></a> +<span class="sourceLineNo">1613</span> return true;<a name="line.1613"></a> +<span class="sourceLineNo">1614</span> }<a name="line.1614"></a> +<span class="sourceLineNo">1615</span> if (!(o instanceof SetData)) {<a name="line.1615"></a> +<span class="sourceLineNo">1616</span> return false;<a name="line.1616"></a> +<span class="sourceLineNo">1617</span> }<a name="line.1617"></a> +<span class="sourceLineNo">1618</span><a name="line.1618"></a> +<span class="sourceLineNo">1619</span> SetData op = (SetData) o;<a name="line.1619"></a> +<span class="sourceLineNo">1620</span> return getPath().equals(op.getPath()) && Arrays.equals(data, op.data)<a name="line.1620"></a> +<span class="sourceLineNo">1621</span> && getVersion() == op.getVersion();<a name="line.1621"></a> +<span class="sourceLineNo">1622</span> }<a name="line.1622"></a> +<span class="sourceLineNo">1623</span><a name="line.1623"></a> +<span class="sourceLineNo">1624</span> @Override<a name="line.1624"></a> +<span class="sourceLineNo">1625</span> public int hashCode() {<a name="line.1625"></a> +<span class="sourceLineNo">1626</span> int ret = getPath().hashCode();<a name="line.1626"></a> +<span class="sourceLineNo">1627</span> ret = ret * 31 + Bytes.hashCode(data);<a name="line.1627"></a> +<span class="sourceLineNo">1628</span> return ret * 31 + Integer.hashCode(version);<a name="line.1628"></a> +<span class="sourceLineNo">1629</span> }<a name="line.1629"></a> +<span class="sourceLineNo">1630</span> }<a name="line.1630"></a> +<span class="sourceLineNo">1631</span> }<a name="line.1631"></a> +<span class="sourceLineNo">1632</span><a name="line.1632"></a> +<span class="sourceLineNo">1633</span> /**<a name="line.1633"></a> +<span class="sourceLineNo">1634</span> * Convert from ZKUtilOp to ZKOp<a name="line.1634"></a> +<span class="sourceLineNo">1635</span> */<a name="line.1635"></a> +<span class="sourceLineNo">1636</span> private static Op toZooKeeperOp(ZKWatcher zkw, ZKUtilOp op) throws UnsupportedOperationException {<a name="line.1636"></a> +<span class="sourceLineNo">1637</span> if(op == null) {<a name="line.1637"></a> +<span class="sourceLineNo">1638</span> return null;<a name="line.1638"></a> +<span class="sourceLineNo">1639</span> }<a name="line.1639"></a> +<span class="sourceLineNo">1640</span><a name="line.1640"></a> +<span class="sourceLineNo">1641</span> if (op instanceof CreateAndFailSilent) {<a name="line.1641"></a> +<span class="sourceLineNo">1642</span> CreateAndFailSilent cafs = (CreateAndFailSilent)op;<a name="line.1642"></a> +<span class="sourceLineNo">1643</span> return Op.create(cafs.getPath(), cafs.getData(), createACL(zkw, cafs.getPath()),<a name="line.1643"></a> +<span class="sourceLineNo">1644</span> CreateMode.PERSISTENT);<a name="line.1644"></a> +<span class="sourceLineNo">1645</span> } else if (op instanceof DeleteNodeFailSilent) {<a name="line.1645"></a> +<span class="sourceLineNo">1646</span> DeleteNodeFailSilent dnfs = (DeleteNodeFailSilent)op;<a name="line.1646"></a> +<span class="sourceLineNo">1647</span> return Op.delete(dnfs.getPath(), -1);<a name="line.1647"></a> +<span class="sourceLineNo">1648</span> } else if (op instanceof SetData) {<a name="line.1648"></a> +<span class="sourceLineNo">1649</span> SetData sd = (SetData) op;<a name="line.1649"></a> +<span class="sourceLineNo">1650</span> return Op.setData(sd.getPath(), sd.getData(), sd.getVersion());<a name="line.1650"></a> +<span class="sourceLineNo">1651</span> } else {<a name="line.1651"></a> +<span class="sourceLineNo">1652</span> throw new UnsupportedOperationException("Unexpected ZKUtilOp type: "<a name="line.1652"></a> +<span class="sourceLineNo">1653</span> + op.getClass().getName());<a name="line.1653"></a> +<span class="sourceLineNo">1654</span> }<a name="line.1654"></a> +<span class="sourceLineNo">1655</span> }<a name="line.1655"></a> +<span class="sourceLineNo">1656</span><a name="line.1656"></a> +<span class="sourceLineNo">1657</span> /**<a name="line.1657"></a> +<span class="sourceLineNo">1658</span> * Use ZooKeeper's multi-update functionality.<a name="line.1658"></a> +<span class="sourceLineNo">1659</span> *<a name="line.1659"></a> +<span class="sourceLineNo">1660</span> * If all of the following are true:<a name="line.1660"></a> +<span class="sourceLineNo">1661</span> * - runSequentialOnMultiFailure is true<a name="line.1661"></a> +<span class="sourceLineNo">1662</span> * - on calling multi, we get a ZooKeeper exception that can be handled by a sequential call(*)<a name="line.1662"></a> +<span class="sourceLineNo">1663</span> * Then:<a name="line.1663"></a> +<span class="sourceLineNo">1664</span> * - we retry the operations one-by-one (sequentially)<a name="line.1664"></a> +<span class="sourceLineNo">1665</span> *<a name="line.1665"></a> +<span class="sourceLineNo">1666</span> * Note *: an example is receiving a NodeExistsException from a "create" call. 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Default to true always.");<a name="line.1679"></a> +<span class="sourceLineNo">1680</span> }<a name="line.1680"></a> +<span class="sourceLineNo">1681</span> if (ops == null) {<a name="line.1681"></a> +<span class="sourceLineNo">1682</span> return;<a name="line.1682"></a> +<span class="sourceLineNo">1683</span> }<a name="line.1683"></a> +<span class="sourceLineNo">1684</span><a name="line.1684"></a> +<span class="sourceLineNo">1685</span> List<Op> zkOps = new LinkedList<>();<a name="line.1685"></a> +<span class="sourceLineNo">1686</span> for (ZKUtilOp op : ops) {<a name="line.1686"></a> +<span class="sourceLineNo">1687</span> zkOps.add(toZooKeeperOp(zkw, op));<a name="line.1687"></a> +<span class="sourceLineNo">1688</span> }<a name="line.1688"></a> +<span class="sourceLineNo">1689</span> try {<a name="line.1689"></a> +<span class="sourceLineNo">1690</span> zkw.getRecoverableZooKeeper().multi(zkOps);<a name="line.1690"></a> +<span class="sourceLineNo">1691</span> } catch (KeeperException ke) {<a name="line.1691"></a> +<span class="sourceLineNo">1692</span> switch (ke.code()) {<a name="line.1692"></a> +<span class="sourceLineNo">1693</span> case NODEEXISTS:<a name="line.1693"></a> +<span class="sourceLineNo">1694</span> case NONODE:<a name="line.1694"></a> +<span class="sourceLineNo">1695</span> case BADVERSION:<a name="line.1695"></a> +<span class="sourceLineNo">1696</span> case NOAUTH:<a name="line.1696"></a> +<span class="sourceLineNo">1697</span> // if we get an exception that could be solved by running sequentially<a name="line.1697"></a> +<span class="sourceLineNo">1698</span> // (and the client asked us to), then break out and run sequentially<a name="line.1698"></a> +<span class="sourceLineNo">1699</span> if (runSequentialOnMultiFailure) {<a name="line.1699"></a> +<span class="sourceLineNo">1700</span> LOG.info("On call to ZK.multi, received exception: " + ke.toString() + "."<a name="line.1700"></a> +<span class="sourceLineNo">1701</span> + " Attempting to run operations sequentially because"<a name="line.1701"></a> +<span class="sourceLineNo">1702</span> + " runSequentialOnMultiFailure is: " + runSequentialOnMultiFailure + ".");<a name="line.1702"></a> +<span class="sourceLineNo">1703</span> processSequentially(zkw, ops);<a name="line.1703"></a> +<span class="sourceLineNo">1704</span> break;<a name="line.1704"></a> +<span class="sourceLineNo">1705</span> }<a name="line.1705"></a> +<span class="sourceLineNo">1706</span> default:<a name="line.1706"></a> +<span class="sourceLineNo">1707</span> throw ke;<a name="line.1707"></a> +<span class="sourceLineNo">1708</span> }<a name="line.1708"></a> +<span class="sourceLineNo">1709</span> } catch (InterruptedException ie) {<a name="line.1709"></a> +<span class="sourceLineNo">1710</span> zkw.interruptedException(ie);<a name="line.1710"></a> +<span class="sourceLineNo">1711</span> }<a name="line.1711"></a> +<span class="sourceLineNo">1712</span> }<a name="line.1712"></a> <span class="sourceLineNo">1713</span><a name="line.1713"></a> -<span class="sourceLineNo">1714</span> /** @return String dump of everything in ZooKeeper. */<a name="line.1714"></a> -<span class="sourceLineNo">1715</span> public static String dump(ZKWatcher zkw) {<a name="line.1715"></a> -<span class="sourceLineNo">1716</span> StringBuilder sb = new StringBuilder();<a name="line.1716"></a> -<span class="sourceLineNo">1717</span> try {<a name="line.1717"></a> -<span class="sourceLineNo">1718</span> sb.append("HBase is rooted at ").append(zkw.znodePaths.baseZNode);<a name="line.1718"></a> -<span class="sourceLineNo">1719</span> sb.append("\nActive master address: ");<a name="line.1719"></a> -<span class="sourceLineNo">1720</span> try {<a name="line.1720"></a> -<span class="sourceLineNo">1721</span> sb.append(MasterAddressTracker.getMasterAddress(zkw));<a name="line.1721"></a> -<span class="sourceLineNo">1722</span> } catch (IOException e) {<a name="line.1722"></a> -<span class="sourceLineNo">1723</span> sb.append("<<FAILED LOOKUP: " + e.getMessage() + ">>");<a name="line.1723"></a> -<span class="sourceLineNo">1724</span> }<a name="line.1724"></a> -<span class="sourceLineNo">1725</span> sb.append("\nBackup master addresses:");<a name="line.1725"></a> -<span class="sourceLineNo">1726</span> for (String child : listChildrenNoWatch(zkw, zkw.znodePaths.backupMasterAddressesZNode)) {<a name="line.1726"></a> -<span class="sourceLineNo">1727</span> sb.append("\n ").append(child);<a name="line.1727"></a> -<span class="sourceLineNo">1728</span> }<a name="line.1728"></a> -<span class="sourceLineNo">1729</span> sb.append("\nRegion server holding hbase:meta: "<a name="line.1729"></a> -<span class="sourceLineNo">1730</span> + new MetaTableLocator().getMetaRegionLocation(zkw));<a name="line.1730"></a> -<span class="sourceLineNo">1731</span> Configuration conf = HBaseConfiguration.create();<a name="line.1731"></a> -<span class="sourceLineNo">1732</span> int 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" and set watcher; ": "; data=") +<a name="line.1970"></a> -<span class="sourceLineNo">1971</span> (data == null? "null": data.length == 0? "empty": (<a name="line.1971"></a> -<span class="sourceLineNo">1972</span> znode.startsWith(zkw.znodePaths.metaZNodePrefix)?<a name="line.1972"></a> -<span class="sourceLineNo">1973</span> getServerNameOrEmptyString(data):<a name="line.1973"></a> -<span class="sourceLineNo">1974</span> znode.startsWith(zkw.znodePaths.backupMasterAddressesZNode)?<a name="line.1974"></a> -<span class="sourceLineNo">1975</span> getServerNameOrEmptyString(data):<a name="line.1975"></a> -<span class="sourceLineNo">1976</span> StringUtils.abbreviate(Bytes.toStringBinary(data), 32)))));<a name="line.1976"></a> -<span class="sourceLineNo">1977</span> }<a name="line.1977"></a> -<span class="sourceLineNo">1978</span><a name="line.1978"></a> -<span class="sourceLineNo">1979</span> private static String getServerNameOrEmptyString(final byte [] data) {<a name="line.1979"></a> -<span class="sourceLineNo">1980</span> try {<a name="line.1980"></a> -<span class="sourceLineNo">1981</span> return ProtobufUtil.parseServerNameFrom(data).toString();<a name="line.1981"></a> -<span class="sourceLineNo">1982</span> } catch (DeserializationException e) {<a name="line.1982"></a> -<span class="sourceLineNo">1983</span> return "";<a name="line.1983"></a> -<span class="sourceLineNo">1984</span> }<a name="line.1984"></a> -<span class="sourceLineNo">1985</span> }<a name="line.1985"></a> -<span class="sourceLineNo">1986</span><a name="line.1986"></a> -<span class="sourceLineNo">1987</span> /**<a name="line.1987"></a> -<span class="sourceLineNo">1988</span> * Waits for HBase installation's base (parent) znode to become available.<a name="line.1988"></a> -<span class="sourceLineNo">1989</span> * @throws IOException on ZK errors<a name="line.1989"></a> -<span class="sourceLineNo">1990</span> */<a name="line.1990"></a> -<span class="sourceLineNo">1991</span> public static void waitForBaseZNode(Configuration conf) throws IOException {<a name="line.1991"></a> -<span class="sourceLineNo">1992</span> LOG.info("Waiting until the base znode is available");<a name="line.1992"></a> -<span class="sourceLineNo">1993</span> String parentZNode = conf.get(HConstants.ZOOKEEPER_ZNODE_PARENT,<a name="line.1993"></a> -<span class="sourceLineNo">1994</span> HConstants.DEFAULT_ZOOKEEPER_ZNODE_PARENT);<a name="line.1994"></a> -<span class="sourceLineNo">1995</span> ZooKeeper zk = new ZooKeeper(ZKConfig.getZKQuorumServersString(conf),<a name="line.1995"></a> -<span class="sourceLineNo">1996</span> conf.getInt(HConstants.ZK_SESSION_TIMEOUT,<a name="line.1996"></a> -<span class="sourceLineNo">1997</span> HConstants.DEFAULT_ZK_SESSION_TIMEOUT), EmptyWatcher.instance);<a name="line.1997"></a> +<span class="sourceLineNo">1714</span> private static void processSequentially(ZKWatcher zkw, List<ZKUtilOp> ops)<a name="line.1714"></a> +<span class="sourceLineNo">1715</span> throws KeeperException, NoNodeException {<a name="line.1715"></a> +<span class="sourceLineNo">1716</span> for (ZKUtilOp op : ops) {<a name="line.1716"></a> +<span class="sourceLineNo">1717</span> if (op instanceof CreateAndFailSilent) {<a name="line.1717"></a> +<span class="sourceLineNo">1718</span> createAndFailSilent(zkw, (CreateAndFailSilent) op);<a name="line.1718"></a> +<span class="sourceLineNo">1719</span> } else if (op instanceof DeleteNodeFailSilent) {<a name="line.1719"></a> +<span class="sourceLineNo">1720</span> deleteNodeFailSilent(zkw, (DeleteNodeFailSilent) op);<a name="line.1720"></a> +<span class="sourceLineNo">1721</span> } else if (op instanceof SetData) {<a name="line.1721"></a> +<span class="sourceLineNo">1722</span> setData(zkw, (SetData) op);<a name="line.1722"></a> +<span class="sourceLineNo">1723</span> } else {<a name="line.1723"></a> +<span class="sourceLineNo">1724</span> throw new UnsupportedOperationException("Unexpected ZKUtilOp type: "<a name="line.1724"></a> +<span class="sourceLineNo">1725</span> + op.getClass().getName());<a name="line.1725"></a> +<span class="sourceLineNo">1726</span> }<a name="line.1726"></a> +<span class="sourceLineNo">1727</span> }<a name="line.1727"></a> +<span class="sourceLineNo">1728</span> }<a name="line.1728"></a> +<span class="sourceLineNo">1729</span><a name="line.1729"></a> +<span class="sourceLineNo">1730</span> //<a name="line.1730"></a> +<span class="sourceLineNo">1731</span> // ZooKeeper cluster information<a name="line.1731"></a> +<span class="sourceLineNo">1732</span> //<a name="line.1732"></a> +<span class="sourceLineNo">1733</span><a name="line.1733"></a> +<span class="sourceLineNo">1734</span> /** @return String dump of everything in ZooKeeper. */<a name="line.1734"></a> +<span class="sourceLineNo">1735</span> public static String dump(ZKWatcher zkw) {<a name="line.1735"></a> +<span class="sourceLineNo">1736</span> StringBuilder sb = new StringBuilder();<a name="line.1736"></a> +<span class="sourceLineNo">1737</span> try {<a name="line.1737"></a> +<span class="sourceLineNo">1738</span> sb.append("HBase is rooted at ").append(zkw.znodePaths.baseZNode);<a name="line.1738"></a> +<span class="sourceLineNo">1739</span> sb.append("\nActive master address: ");<a name="line.1739"></a> +<span class="sourceLineNo">1740</span> try {<a name="line.1740"></a> +<span class="sourceLineNo">1741</span> sb.append(MasterAddressTracker.getMasterAddress(zkw));<a name="line.1741"></a> +<span class="sourceLineNo">1742</span> } catch (IOException e) {<a name="line.1742"></a> +<span class="sourceLineNo">1743</span> sb.append("<<FAILED LOOKUP: " + e.getMessage() + ">>");<a name="line.1743"></a> +<span class="sourceLineNo">1744</span> }<a name="line.1744"></a> +<span class="sourceLineNo">1745</span> sb.append("\nBackup master addresses:");<a name="line.1745"></a> +<span class="sourceLineNo">1746</span> for (String child : listChildrenNoWatch(zkw, zkw.znodePaths.backupMasterAddressesZNode)) {<a name="line.1746"></a> +<span class="sourceLineNo">1747</span> sb.append("\n ").append(child);<a name="line.1747"></a> +<span class="sourceLineNo">1748</span> }<a name="line.1748"></a> +<span class="sourceLineNo">1749</span> sb.append("\nRegion server holding hbase:meta: "<a name="line.1749"></a> +<span class="sourceLineNo">1750</span> + new MetaTableLocator().getMetaRegionLocation(zkw));<a name="line.1750"></a> +<span class="sourceLineNo">1751</span> Configuration conf = HBaseConfiguration.create();<a name="line.1751"></a> +<span class="sourceLineNo">1752</span> int numMetaReplicas = conf.getInt(HConstants.META_REPLICAS_NUM,<a name="line.1752"></a> +<span class="sourceLineNo">1753</span> HConstants.DEFAULT_META_REPLICA_NUM);<a name="line.1753"></a> +<span class="sourceLineNo">1754</span> for (int i = 1; i < numMetaReplicas; i++) {<a name="line.1754"></a> +<span class="sourceLineNo">1755</span> sb.append("\nRegion server holding hbase:meta, replicaId " + i + " "<a name="line.1755"></a> +<span class="sourceLineNo">1756</span> + new MetaTableLocator().getMetaRegionLocation(zkw, i));<a name="line.1756"></a> +<span class="sourceLineNo">1757</span> }<a name="line.1757"></a> +<span class="sourceLineNo">1758</span> sb.append("\nRegion servers:");<a name="line.1758"></a> +<span class="sourceLineNo">1759</span> for (String child : listChildrenNoWatch(zkw, zkw.znodePaths.rsZNode)) {<a name="line.1759"></a> +<span class="sourceLineNo">1760</span> sb.append("\n ").append(child);<a name="line.1760"></a> +<span class="sourceLineNo">1761</span> }<a name="line.1761"></a> +<span class="sourceLineNo">1762</span> try {<a name="line.1762"></a> +<span class="sourceLineNo">1763</span> getReplicationZnodesDump(zkw, sb);<a name="line.1763"></a> +<span class="sourceLineNo">1764</span> } catch (KeeperException ke) {<a name="line.1764"></a> +<span class="sourceLineNo">1765</span> LOG.warn("Couldn't get the replication znode dump", ke);<a name="line.1765"></a> +<span class="sourceLineNo">1766</span> }<a name="line.1766"></a> +<span class="sourceLineNo">1767</span> sb.append("\nQuorum Server Statistics:");<a name="line.1767"></a> +<span class="sourceLineNo">1768</span> String[] servers = zkw.getQuorum().split(",");<a name="line.1768"></a> +<span class="sourceLineNo">1769</span> for (String server : servers) {<a name="line.1769"></a> +<span class="sourceLineNo">1770</span> sb.append("\n ").append(server);<a name="line.1770"></a> +<span class="sourceLineNo">1771</span> try {<a name="line.1771"></a> +<span class="sourceLineNo">1772</span> String[] stat = getServerStats(server, ZKUtil.zkDumpConnectionTimeOut);<a name="line.1772"></a> +<span class="sourceLineNo">1773</span><a name="line.1773"></a> +<span class="sourceLineNo">1774</span> if (stat == null) {<a name="line.1774"></a> +<span class="sourceLineNo">1775</span> sb.append("[Error] invalid quorum server: " + server);<a name="line.1775"></a> +<span class="sourceLineNo">1776</span> break;<a name="line.1776"></a> +<span class="sourceLineNo">1777</span> }<a name="line.1777"></a> +<span class="sourceLineNo">1778</span><a name="line.1778"></a> +<span class="sourceLineNo">1779</span> for (String s : stat) {<a name="line.1779"></a> +<span class="sourceLineNo">1780</span> sb.append("\n ").append(s);<a name="line.1780"></a> +<span class="sourceLineNo">1781</span> }<a name="line.1781"></a> +<span class="sourceLineNo">1782</span> } catch (Exception e) {<a name="line.1782"></a> +<span class="sourceLineNo">1783</span> sb.append("\n ERROR: ").append(e.getMessage());<a name="line.1783"></a> +<span class="sourceLineNo">1784</span> }<a name="line.1784"></a> +<span class="sourceLineNo">1785</span> }<a name="line.1785"></a> +<span class="sourceLineNo">1786</span> } catch (KeeperException ke) {<a name="line.1786"></a> +<span class="sourceLineNo">1787</span> sb.append("\nFATAL ZooKeeper Exception!\n");<a name="line.1787"></a> +<span class="sourceLineNo">1788</span> sb.append("\n" + ke.getMessage());<a name="line.1788"></a> +<span class="sourceLineNo">1789</span> }<a name="line.1789"></a> +<span class="sourceLineNo">1790</span> return sb.toString();<a name="line.1790"></a> +<span class="sourceLineNo">1791</span> }<a name="line.1791"></a> +<span class="sourceLineNo">1792</span><a name="line.1792"></a> +<span class="sourceLineNo">1793</span> /**<a name="line.1793"></a> +<span class="sourceLineNo">1794</span> * Appends replication znodes to the passed StringBuilder.<a name="line.1794"></a> +<span class="sourceLineNo">1795</span> *<a name="line.1795"></a> +<span class="sourceLineNo">1796</span> * @param zkw reference to the {@link ZKWatcher} which also contains configuration and operation<a name="line.1796"></a> +<span class="sourceLineNo">1797</span> * @param sb the {@link StringBuilder} to append to<a name="line.1797"></a> +<span class="sourceLineNo">1798</span> * @throws KeeperException if a ZooKeeper operation fails<a name="line.1798"></a> +<span class="sourceLineNo">1799</span> */<a name="line.1799"></a> +<span class="sourceLineNo">1800</span> private static void getReplicationZnodesDump(ZKWatcher zkw, StringBuilder sb)<a name="line.1800"></a> +<span class="sourceLineNo">1801</span> throws KeeperException {<a name="line.1801"></a> +<span class="sourceLineNo">1802</span> String replicationZnode = zkw.znodePaths.replicationZNode;<a name="line.1802"></a> +<span class="sourceLineNo">1803</span><a name="line.1803"></a> +<span class="sourceLineNo">1804</span> if (ZKUtil.checkExists(zkw, replicationZnode) == -1) {<a name="line.1804"></a> +<span class="sourceLineNo">1805</span> return;<a name="line.1805"></a> +<span class="sourceLineNo">1806</span> }<a name="line.1806"></a> +<span class="sourceLineNo">1807</span><a name="line.1807"></a> +<span class="sourceLineNo">1808</span> // do a ls -r on this znode<a name="line.1808"></a> +<span class="sourceLineNo">1809</span> sb.append("\n").append(replicationZnode).append(": ");<a name="line.1809"></a> +<span class="sourceLineNo">1810</span> List<String> children = ZKUtil.listChildrenNoWatch(zkw, replicationZnode);<a name="line.1810"></a> +<span class="sourceLineNo">1811</span> for (String child : children) {<a name="line.1811"></a> +<span class="sourceLineNo">1812</span> String znode = ZNodePaths.joinZNode(replicationZnode, child);<a name="line.1812"></a> +<span class="sourceLineNo">1813</span> if (znode.equals(zkw.znodePaths.peersZNode)) {<a name="line.1813"></a> +<span class="sourceLineNo">1814</span> appendPeersZnodes(zkw, znode, sb);<a name="line.1814"></a> +<span class="sourceLineNo">1815</span> } else if (znode.equals(zkw.znodePaths.queuesZNode)) {<a name="line.1815"></a> +<span class="sourceLineNo">1816</span> appendRSZnodes(zkw, znode, sb);<a name="line.1816"></a> +<span class="sourceLineNo">1817</span> } else if (znode.equals(zkw.znodePaths.hfileRefsZNode)) {<a name="line.1817"></a> +<span class="sourceLineNo">1818</span> appendHFileRefsZnodes(zkw, znode, sb);<a name="line.1818"></a> +<span class="sourceLineNo">1819</span> }<a name="line.1819"></a> +<span class="sourceLineNo">1820</span> }<a name="line.1820"></a> +<span class="sourceLineNo">1821</span> }<a name="line.1821"></a> +<span class="sourceLineNo">1822</span><a name="line.1822"></a> +<span class="sourceLineNo">1823</span> private static void appendHFileRefsZnodes(ZKWatcher zkw, String hfileRefsZnode,<a name="line.1823"></a> +<span class="sourceLineNo">1824</span> StringBuilder sb) throws KeeperException {<a name="line.1824"></a> +<span class="sourceLineNo">1825</span> sb.append("\n").append(hfileRefsZnode).append(": ");<a name="line.1825"></a> +<span class="sourceLineNo">1826</span> for (String peerIdZnode : ZKUtil.listChildrenNoWatch(zkw, hfileRefsZnode)) {<a name="line.1826"></a> +<span class="sourceLineNo">1827</span> String znodeToProcess = ZNodePaths.joinZNode(hfileRefsZnode, peerIdZnode);<a name="line.1827"></a> +<span class="sourceLineNo">1828</span> sb.append("\n").append(znodeToProcess).append(": ");<a name="line.1828"></a> +<span class="sourceLineNo">1829</span> List<String> peerHFileRefsZnodes = ZKUtil.listChildrenNoWatch(zkw, znodeToProcess);<a name="line.1829"></a> +<span class="sourceLineNo">1830</span> int size = peerHFileRefsZnodes.size();<a name="line.1830"></a> +<span class="sourceLineNo">1831</span> for (int i = 0; i < size; i++) {<a name="line.1831"></a> +<span class="sourceLineNo">1832</span> sb.append(peerHFileRefsZnodes.get(i));<a name="line.1832"></a> +<span class="sourceLineNo">1833</span> if (i != size - 1) {<a name="line.1833"></a> +<span class="sourceLineNo">1834</span> sb.append(", ");<a name="line.1834"></a> +<span class="sourceLineNo">1835</span> }<a name="line.1835"></a> +<span class="sourceLineNo">1836</span> }<a name="line.1836"></a> +<span class="sourceLineNo">1837</span> }<a name="line.1837"></a> +<span class="sourceLineNo">1838</span> }<a name="line.1838"></a> +<span class="sourceLineNo">1839</span><a name="line.1839"></a> +<span class="sourceLineNo">1840</span> /**<a name="line.1840"></a> +<span class="sourceLineNo">1841</span> * Returns a string with replication znodes and position of the replication log<a name="line.1841"></a> +<span class="sourceLineNo">1842</span> * @param zkw reference to the {@link ZKWatcher} which also contains configuration and operation<a name="line.1842"></a> +<span class="sourceLineNo">1843</span> * @return aq string of replication znodes and log positions<a name="line.1843"></a> +<span class="sourceLineNo">1844</span> */<a name="line.1844"></a> +<span class="sourceLineNo">1845</span> public static String getReplicationZnodesDump(ZKWatcher zkw) throws KeeperException {<a name="line.1845"></a> +<span class="sourceLineNo">1846</span> StringBuilder sb = new StringBuilder();<a name="line.1846"></a> +<span class="sourceLineNo">1847</span> getReplicationZnodesDump(zkw, sb);<a name="line.1847"></a> +<span class="sourceLineNo">1848</span> return sb.toString();<a name="line.1848"></a> +<span class="sourceLineNo">1849</span> }<a name="line.1849"></a> +<span class="sourceLineNo">1850</span><a name="line.1850"></a> +<span class="sourceLineNo">1851</span> private static void appendRSZnodes(ZKWatcher zkw, String znode, StringBuilder sb)<a name="line.1851"></a> +<span class="sourceLineNo">1852</span> throws KeeperException {<a name="line.1852"></a> +<span class="sourceLineNo">1853</span> List<String> stack = new LinkedList<>();<a name="line.1853"></a> +<span class="sourceLineNo">1854</span> stack.add(znode);<a name="line.1854"></a> +<span class="sourceLineNo">1855</span> do {<a name="line.1855"></a> +<span class="sourceLineNo">1856</span> String znodeToProcess = stack.remove(stack.size() - 1);<a name="line.1856"></a> +<span class="sourceLineNo">1857</span> sb.append("\n").append(znodeToProcess).append(": ");<a name="line.1857"></a> +<span class="sourceLineNo">1858</span> byte[] data;<a name="line.1858"></a> +<span class="sourceLineNo">1859</span> try {<a name="line.1859"></a> +<span class="sourceLineNo">1860</span> data = ZKUtil.getData(zkw, znodeToProcess);<a name="line.1860"></a> +<span class="sourceLineNo">1861</span> } catch (InterruptedException e) {<a name="line.1861"></a> +<span class="sourceLineNo">1862</span> zkw.interruptedException(e);<a name="line.1862"></a> +<span class="sourceLineNo">1863</span> return;<a name="line.1863"></a> +<span class="sourceLineNo">1864</span> }<a name="line.1864"></a> +<span class="sourceLineNo">1865</span> if (data != null && data.length > 0) { // log position<a name="line.1865"></a> +<span class="sourceLineNo">1866</span> long position = 0;<a name="line.1866"></a> +<span class="sourceLineNo">1867</span> try {<a name="line.1867"></a> +<span class="sourceLineNo">1868</span> position = ZKUtil.parseWALPositionFrom(ZKUtil.getData(zkw, znodeToProcess));<a name="line.1868"></a> +<span class="sourceLineNo">1869</span> sb.append(position);<a name="line.1869"></a> +<span class="sourceLineNo">1870</span> } catch (DeserializationException ignored) {<a name="line.1870"></a> +<span class="sourceLineNo">1871</span> } catch (InterruptedException e) {<a name="line.1871"></a> +<span class="sourceLineNo">1872</span> zkw.interruptedException(e);<a name="line.1872"></a> +<span class="sourceLineNo">1873</span> return;<a name="line.1873"></a> +<span class="sourceLineNo">1874</span> }<a name="line.1874"></a> +<span class="sourceLineNo">1875</span> }<a name="line.1875"></a> +<span class="sourceLineNo">1876</span> for (String zNodeChild : ZKUtil.listChildrenNoWatch(zkw, znodeToProcess)) {<a name="line.1876"></a> +<span class="sourceLineNo">1877</span> stack.add(ZNodePaths.joinZNode(znodeToProcess, zNodeChild));<a name="line.1877"></a> +<span class="sourceLineNo">1878</span> }<a name="line.1878"></a> +<span class="sourceLineNo">1879</span> } while (stack.size() > 0);<a name="line.1879"></a> +<span class="sourceLineNo">1880</span> }<a name="line.1880"></a> +<span class="sourceLineNo">1881</span><a name="line.1881"></a> +<span class="sourceLineNo">1882</span> private static void appendPeersZnodes(ZKWatcher zkw, String peersZnode,<a name="line.1882"></a> +<span class="sourceLineNo">1883</span> StringBuilder sb) throws KeeperException {<a name="line.1883"></a> +<span class="sourceLineNo">1884</span> int pblen = ProtobufUtil.lengthOfPBMagic();<a name="line.1884"></a> +<span class="sourceLineNo">1885</span> sb.append("\n").append(peersZnode).append(": ");<a name="line.1885"></a> +<span class="sourceLineNo">1886</span> for (String peerIdZnode : ZKUtil.listChildrenNoWatch(zkw, peersZnode)) {<a name="line.1886"></a> +<span class="sourceLineNo">1887</span> String znodeToProcess = ZNodePaths.joinZNode(peersZnode, peerIdZnode);<a name="line.1887"></a> +<span class="sourceLineNo">1888</span> byte[] data;<a name="line.1888"></a> +<span class="sourceLineNo">1889</span> try {<a name="line.1889"></a> +<span class="sourceLineNo">1890</span> data = ZKUtil.getData(zkw, znodeToProcess);<a name="line.1890"></a> +<span class="sourceLineNo">1891</span> } catch (InterruptedException e) {<a name="line.1891"></a> +<span class="sourceLineNo">1892</span> zkw.interruptedException(e);<a name="line.1892"></a> +<span class="sourceLineNo">1893</span> return;<a name="line.1893"></a> +<span class="sourceLineNo">1894</span> }<a name="line.1894"></a> +<span class="sourceLineNo">1895</span> // parse the data of the above peer znode.<a name="line.1895"></a> +<span class="sourceLineNo">1896</span> try {<a name="line.1896"></a> +<span class="sourceLineNo">1897</span> ReplicationProtos.ReplicationPeer.Builder builder =<a name="line.1897"></a> +<span class="sourceLineNo">1898</span> ReplicationProtos.ReplicationPeer.newBuilder();<a name="line.1898"></a> +<span class="sourceLineNo">1899</span> ProtobufUtil.mergeFrom(builder, data, pblen, data.length - pblen);<a name="line.1899"></a> +<span class="sourceLineNo">1900</span> String clusterKey = builder.getClusterkey();<a name="line.1900"></a> +<span class="sourceLineNo">1901</span> sb.append("\n").append(znodeToProcess).append(": ").append(clusterKey);<a name="line.1901"></a> +<span class="sourceLineNo">1902</span> // add the peer-state.<a name="line.1902"></a> +<span class="sourceLineNo">1903</span> appendPeerState(zkw, znodeToProcess, sb);<a name="line.1903"></a> +<span class="sourceLineNo">1904</span> } catch (IOException ipbe) {<a name="line.1904"></a> +<span class="sourceLineNo">1905</span> LOG.warn("Got Exception while parsing peer: " + znodeToProcess, ipbe);<a name="line.1905"></a> +<span class="sourceLineNo">1906</span> }<a name="line.1906"></a> +<span class="sourceLineNo">1907</span> }<a name="line.1907"></a> +<span class="sourceLineNo">1908</span> }<a name="line.1908"></a> +<span class="sourceLineNo">1909</span><a name="line.1909"></a> +<span class="sourceLineNo">1910</span> private static void appendPeerState(ZKWatcher zkw, String znodeToProcess, StringBuilder sb)<a name="line.1910"></a> +<span class="sourceLineNo">1911</span> throws KeeperException, InvalidProtocolBufferException {<a name="line.1911"></a> +<span class="sourceLineNo">1912</span> String peerState = zkw.getConfiguration().get("zookeeper.znode.replication.peers.state",<a name="line.1912"></a> +<span class="sourceLineNo">1913</span> "peer-state");<a name="line.1913"></a> +<span class="sourceLineNo">1914</span> int pblen = ProtobufUtil.lengthOfPBMagic();<a name="line.1914"></a> +<span class="sourceLineNo">1915</span> for (String child : ZKUtil.listChildrenNoWatch(zkw, znodeToProcess)) {<a name="line.1915"></a> +<span class="sourceLineNo">1916</span> if (!child.equals(peerState)) {<a name="line.1916"></a> +<span class="sourceLineNo">1917</span> continue;<a name="lin
<TRUNCATED>
