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Posted to commits@hbase.apache.org by gi...@apache.org on 2017/08/01 15:08:06 UTC
[24/43] hbase-site git commit: Published site at
82d554e3783372cc6b05489452c815b57c06f6cd.
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/110df817/devapidocs/src-html/org/apache/hadoop/hbase/master/assignment/AssignmentManager.RegionInTransitionChore.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/master/assignment/AssignmentManager.RegionInTransitionChore.html b/devapidocs/src-html/org/apache/hadoop/hbase/master/assignment/AssignmentManager.RegionInTransitionChore.html
index 596b800..681f621 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/master/assignment/AssignmentManager.RegionInTransitionChore.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/master/assignment/AssignmentManager.RegionInTransitionChore.html
@@ -1456,364 +1456,366 @@
<span class="sourceLineNo">1448</span> synchronized (regionNode) {<a name="line.1448"></a>
<span class="sourceLineNo">1449</span> State state = regionNode.transitionState(State.OPEN, RegionStates.STATES_EXPECTED_ON_OPEN);<a name="line.1449"></a>
<span class="sourceLineNo">1450</span> if (isMetaRegion(hri)) {<a name="line.1450"></a>
-<span class="sourceLineNo">1451</span> setMetaInitialized(hri, true);<a name="line.1451"></a>
-<span class="sourceLineNo">1452</span> }<a name="line.1452"></a>
-<span class="sourceLineNo">1453</span> regionStates.addRegionToServer(regionNode.getRegionLocation(), regionNode);<a name="line.1453"></a>
-<span class="sourceLineNo">1454</span> // TODO: OPENING Updates hbase:meta too... we need to do both here and there?<a name="line.1454"></a>
-<span class="sourceLineNo">1455</span> // That is a lot of hbase:meta writing.<a name="line.1455"></a>
-<span class="sourceLineNo">1456</span> regionStateStore.updateRegionLocation(regionNode.getRegionInfo(), state,<a name="line.1456"></a>
-<span class="sourceLineNo">1457</span> regionNode.getRegionLocation(), regionNode.getLastHost(), regionNode.getOpenSeqNum(),<a name="line.1457"></a>
-<span class="sourceLineNo">1458</span> regionNode.getProcedure().getProcId());<a name="line.1458"></a>
-<span class="sourceLineNo">1459</span> sendRegionOpenedNotification(hri, regionNode.getRegionLocation());<a name="line.1459"></a>
-<span class="sourceLineNo">1460</span> }<a name="line.1460"></a>
-<span class="sourceLineNo">1461</span> }<a name="line.1461"></a>
-<span class="sourceLineNo">1462</span><a name="line.1462"></a>
-<span class="sourceLineNo">1463</span> public void markRegionAsClosing(final RegionStateNode regionNode) throws IOException {<a name="line.1463"></a>
-<span class="sourceLineNo">1464</span> final HRegionInfo hri = regionNode.getRegionInfo();<a name="line.1464"></a>
-<span class="sourceLineNo">1465</span> synchronized (regionNode) {<a name="line.1465"></a>
-<span class="sourceLineNo">1466</span> State state = regionNode.transitionState(State.CLOSING, RegionStates.STATES_EXPECTED_ON_CLOSE);<a name="line.1466"></a>
-<span class="sourceLineNo">1467</span> // Set meta has not initialized early. so people trying to create/edit tables will wait<a name="line.1467"></a>
-<span class="sourceLineNo">1468</span> if (isMetaRegion(hri)) {<a name="line.1468"></a>
-<span class="sourceLineNo">1469</span> setMetaInitialized(hri, false);<a name="line.1469"></a>
-<span class="sourceLineNo">1470</span> }<a name="line.1470"></a>
-<span class="sourceLineNo">1471</span> regionStates.addRegionToServer(regionNode.getRegionLocation(), regionNode);<a name="line.1471"></a>
-<span class="sourceLineNo">1472</span> regionStateStore.updateRegionLocation(regionNode.getRegionInfo(), state,<a name="line.1472"></a>
-<span class="sourceLineNo">1473</span> regionNode.getRegionLocation(), regionNode.getLastHost(), HConstants.NO_SEQNUM,<a name="line.1473"></a>
-<span class="sourceLineNo">1474</span> regionNode.getProcedure().getProcId());<a name="line.1474"></a>
-<span class="sourceLineNo">1475</span> }<a name="line.1475"></a>
-<span class="sourceLineNo">1476</span><a name="line.1476"></a>
-<span class="sourceLineNo">1477</span> // update the operation count metrics<a name="line.1477"></a>
-<span class="sourceLineNo">1478</span> metrics.incrementOperationCounter();<a name="line.1478"></a>
-<span class="sourceLineNo">1479</span> }<a name="line.1479"></a>
-<span class="sourceLineNo">1480</span><a name="line.1480"></a>
-<span class="sourceLineNo">1481</span> public void undoRegionAsClosing(final RegionStateNode regionNode) {<a name="line.1481"></a>
-<span class="sourceLineNo">1482</span> // TODO: Metrics. Do opposite of metrics.incrementOperationCounter();<a name="line.1482"></a>
-<span class="sourceLineNo">1483</span> // There is nothing to undo?<a name="line.1483"></a>
-<span class="sourceLineNo">1484</span> }<a name="line.1484"></a>
-<span class="sourceLineNo">1485</span><a name="line.1485"></a>
-<span class="sourceLineNo">1486</span> public void markRegionAsClosed(final RegionStateNode regionNode) throws IOException {<a name="line.1486"></a>
-<span class="sourceLineNo">1487</span> final HRegionInfo hri = regionNode.getRegionInfo();<a name="line.1487"></a>
-<span class="sourceLineNo">1488</span> synchronized (regionNode) {<a name="line.1488"></a>
-<span class="sourceLineNo">1489</span> State state = regionNode.transitionState(State.CLOSED, RegionStates.STATES_EXPECTED_ON_CLOSE);<a name="line.1489"></a>
-<span class="sourceLineNo">1490</span> regionStates.removeRegionFromServer(regionNode.getRegionLocation(), regionNode);<a name="line.1490"></a>
-<span class="sourceLineNo">1491</span> regionNode.setLastHost(regionNode.getRegionLocation());<a name="line.1491"></a>
-<span class="sourceLineNo">1492</span> regionNode.setRegionLocation(null);<a name="line.1492"></a>
-<span class="sourceLineNo">1493</span> regionStateStore.updateRegionLocation(regionNode.getRegionInfo(), state,<a name="line.1493"></a>
-<span class="sourceLineNo">1494</span> regionNode.getRegionLocation()/*null*/, regionNode.getLastHost(),<a name="line.1494"></a>
-<span class="sourceLineNo">1495</span> HConstants.NO_SEQNUM, regionNode.getProcedure().getProcId());<a name="line.1495"></a>
-<span class="sourceLineNo">1496</span> sendRegionClosedNotification(hri);<a name="line.1496"></a>
-<span class="sourceLineNo">1497</span> }<a name="line.1497"></a>
-<span class="sourceLineNo">1498</span> }<a name="line.1498"></a>
-<span class="sourceLineNo">1499</span><a name="line.1499"></a>
-<span class="sourceLineNo">1500</span> public void markRegionAsSplit(final HRegionInfo parent, final ServerName serverName,<a name="line.1500"></a>
-<span class="sourceLineNo">1501</span> final HRegionInfo daughterA, final HRegionInfo daughterB)<a name="line.1501"></a>
-<span class="sourceLineNo">1502</span> throws IOException {<a name="line.1502"></a>
-<span class="sourceLineNo">1503</span> // Update hbase:meta. Parent will be marked offline and split up in hbase:meta.<a name="line.1503"></a>
-<span class="sourceLineNo">1504</span> // The parent stays in regionStates until cleared when removed by CatalogJanitor.<a name="line.1504"></a>
-<span class="sourceLineNo">1505</span> // Update its state in regionStates to it shows as offline and split when read<a name="line.1505"></a>
-<span class="sourceLineNo">1506</span> // later figuring what regions are in a table and what are not: see<a name="line.1506"></a>
-<span class="sourceLineNo">1507</span> // regionStates#getRegionsOfTable<a name="line.1507"></a>
-<span class="sourceLineNo">1508</span> final RegionStateNode node = regionStates.getOrCreateRegionNode(parent);<a name="line.1508"></a>
-<span class="sourceLineNo">1509</span> node.setState(State.SPLIT);<a name="line.1509"></a>
-<span class="sourceLineNo">1510</span> regionStateStore.splitRegion(parent, daughterA, daughterB, serverName);<a name="line.1510"></a>
-<span class="sourceLineNo">1511</span> if (shouldAssignFavoredNodes(parent)) {<a name="line.1511"></a>
-<span class="sourceLineNo">1512</span> List<ServerName> onlineServers = this.master.getServerManager().getOnlineServersList();<a name="line.1512"></a>
-<span class="sourceLineNo">1513</span> ((FavoredNodesPromoter)getBalancer()).<a name="line.1513"></a>
-<span class="sourceLineNo">1514</span> generateFavoredNodesForDaughter(onlineServers, parent, daughterA, daughterB);<a name="line.1514"></a>
-<span class="sourceLineNo">1515</span> }<a name="line.1515"></a>
-<span class="sourceLineNo">1516</span> }<a name="line.1516"></a>
-<span class="sourceLineNo">1517</span><a name="line.1517"></a>
-<span class="sourceLineNo">1518</span> /**<a name="line.1518"></a>
-<span class="sourceLineNo">1519</span> * When called here, the merge has happened. The two merged regions have been<a name="line.1519"></a>
-<span class="sourceLineNo">1520</span> * unassigned and the above markRegionClosed has been called on each so they have been<a name="line.1520"></a>
-<span class="sourceLineNo">1521</span> * disassociated from a hosting Server. The merged region will be open after this call. The<a name="line.1521"></a>
-<span class="sourceLineNo">1522</span> * merged regions are removed from hbase:meta below> Later they are deleted from the filesystem<a name="line.1522"></a>
-<span class="sourceLineNo">1523</span> * by the catalog janitor running against hbase:meta. It notices when the merged region no<a name="line.1523"></a>
-<span class="sourceLineNo">1524</span> * longer holds references to the old regions.<a name="line.1524"></a>
-<span class="sourceLineNo">1525</span> */<a name="line.1525"></a>
-<span class="sourceLineNo">1526</span> public void markRegionAsMerged(final HRegionInfo child, final ServerName serverName,<a name="line.1526"></a>
-<span class="sourceLineNo">1527</span> final HRegionInfo mother, final HRegionInfo father) throws IOException {<a name="line.1527"></a>
-<span class="sourceLineNo">1528</span> final RegionStateNode node = regionStates.getOrCreateRegionNode(child);<a name="line.1528"></a>
-<span class="sourceLineNo">1529</span> node.setState(State.MERGED);<a name="line.1529"></a>
-<span class="sourceLineNo">1530</span> regionStates.deleteRegion(mother);<a name="line.1530"></a>
-<span class="sourceLineNo">1531</span> regionStates.deleteRegion(father);<a name="line.1531"></a>
-<span class="sourceLineNo">1532</span> regionStateStore.mergeRegions(child, mother, father, serverName);<a name="line.1532"></a>
-<span class="sourceLineNo">1533</span> if (shouldAssignFavoredNodes(child)) {<a name="line.1533"></a>
-<span class="sourceLineNo">1534</span> ((FavoredNodesPromoter)getBalancer()).<a name="line.1534"></a>
-<span class="sourceLineNo">1535</span> generateFavoredNodesForMergedRegion(child, mother, father);<a name="line.1535"></a>
-<span class="sourceLineNo">1536</span> }<a name="line.1536"></a>
-<span class="sourceLineNo">1537</span> }<a name="line.1537"></a>
-<span class="sourceLineNo">1538</span><a name="line.1538"></a>
-<span class="sourceLineNo">1539</span> /*<a name="line.1539"></a>
-<span class="sourceLineNo">1540</span> * Favored nodes should be applied only when FavoredNodes balancer is configured and the region<a name="line.1540"></a>
-<span class="sourceLineNo">1541</span> * belongs to a non-system table.<a name="line.1541"></a>
-<span class="sourceLineNo">1542</span> */<a name="line.1542"></a>
-<span class="sourceLineNo">1543</span> private boolean shouldAssignFavoredNodes(HRegionInfo region) {<a name="line.1543"></a>
-<span class="sourceLineNo">1544</span> return this.shouldAssignRegionsWithFavoredNodes &&<a name="line.1544"></a>
-<span class="sourceLineNo">1545</span> FavoredNodesManager.isFavoredNodeApplicable(region);<a name="line.1545"></a>
-<span class="sourceLineNo">1546</span> }<a name="line.1546"></a>
-<span class="sourceLineNo">1547</span><a name="line.1547"></a>
-<span class="sourceLineNo">1548</span> // ============================================================================================<a name="line.1548"></a>
-<span class="sourceLineNo">1549</span> // Assign Queue (Assign/Balance)<a name="line.1549"></a>
+<span class="sourceLineNo">1451</span> master.getTableStateManager().setTableState(TableName.META_TABLE_NAME,<a name="line.1451"></a>
+<span class="sourceLineNo">1452</span> TableState.State.ENABLED);<a name="line.1452"></a>
+<span class="sourceLineNo">1453</span> setMetaInitialized(hri, true);<a name="line.1453"></a>
+<span class="sourceLineNo">1454</span> }<a name="line.1454"></a>
+<span class="sourceLineNo">1455</span> regionStates.addRegionToServer(regionNode.getRegionLocation(), regionNode);<a name="line.1455"></a>
+<span class="sourceLineNo">1456</span> // TODO: OPENING Updates hbase:meta too... we need to do both here and there?<a name="line.1456"></a>
+<span class="sourceLineNo">1457</span> // That is a lot of hbase:meta writing.<a name="line.1457"></a>
+<span class="sourceLineNo">1458</span> regionStateStore.updateRegionLocation(regionNode.getRegionInfo(), state,<a name="line.1458"></a>
+<span class="sourceLineNo">1459</span> regionNode.getRegionLocation(), regionNode.getLastHost(), regionNode.getOpenSeqNum(),<a name="line.1459"></a>
+<span class="sourceLineNo">1460</span> regionNode.getProcedure().getProcId());<a name="line.1460"></a>
+<span class="sourceLineNo">1461</span> sendRegionOpenedNotification(hri, regionNode.getRegionLocation());<a name="line.1461"></a>
+<span class="sourceLineNo">1462</span> }<a name="line.1462"></a>
+<span class="sourceLineNo">1463</span> }<a name="line.1463"></a>
+<span class="sourceLineNo">1464</span><a name="line.1464"></a>
+<span class="sourceLineNo">1465</span> public void markRegionAsClosing(final RegionStateNode regionNode) throws IOException {<a name="line.1465"></a>
+<span class="sourceLineNo">1466</span> final HRegionInfo hri = regionNode.getRegionInfo();<a name="line.1466"></a>
+<span class="sourceLineNo">1467</span> synchronized (regionNode) {<a name="line.1467"></a>
+<span class="sourceLineNo">1468</span> State state = regionNode.transitionState(State.CLOSING, RegionStates.STATES_EXPECTED_ON_CLOSE);<a name="line.1468"></a>
+<span class="sourceLineNo">1469</span> // Set meta has not initialized early. so people trying to create/edit tables will wait<a name="line.1469"></a>
+<span class="sourceLineNo">1470</span> if (isMetaRegion(hri)) {<a name="line.1470"></a>
+<span class="sourceLineNo">1471</span> setMetaInitialized(hri, false);<a name="line.1471"></a>
+<span class="sourceLineNo">1472</span> }<a name="line.1472"></a>
+<span class="sourceLineNo">1473</span> regionStates.addRegionToServer(regionNode.getRegionLocation(), regionNode);<a name="line.1473"></a>
+<span class="sourceLineNo">1474</span> regionStateStore.updateRegionLocation(regionNode.getRegionInfo(), state,<a name="line.1474"></a>
+<span class="sourceLineNo">1475</span> regionNode.getRegionLocation(), regionNode.getLastHost(), HConstants.NO_SEQNUM,<a name="line.1475"></a>
+<span class="sourceLineNo">1476</span> regionNode.getProcedure().getProcId());<a name="line.1476"></a>
+<span class="sourceLineNo">1477</span> }<a name="line.1477"></a>
+<span class="sourceLineNo">1478</span><a name="line.1478"></a>
+<span class="sourceLineNo">1479</span> // update the operation count metrics<a name="line.1479"></a>
+<span class="sourceLineNo">1480</span> metrics.incrementOperationCounter();<a name="line.1480"></a>
+<span class="sourceLineNo">1481</span> }<a name="line.1481"></a>
+<span class="sourceLineNo">1482</span><a name="line.1482"></a>
+<span class="sourceLineNo">1483</span> public void undoRegionAsClosing(final RegionStateNode regionNode) {<a name="line.1483"></a>
+<span class="sourceLineNo">1484</span> // TODO: Metrics. Do opposite of metrics.incrementOperationCounter();<a name="line.1484"></a>
+<span class="sourceLineNo">1485</span> // There is nothing to undo?<a name="line.1485"></a>
+<span class="sourceLineNo">1486</span> }<a name="line.1486"></a>
+<span class="sourceLineNo">1487</span><a name="line.1487"></a>
+<span class="sourceLineNo">1488</span> public void markRegionAsClosed(final RegionStateNode regionNode) throws IOException {<a name="line.1488"></a>
+<span class="sourceLineNo">1489</span> final HRegionInfo hri = regionNode.getRegionInfo();<a name="line.1489"></a>
+<span class="sourceLineNo">1490</span> synchronized (regionNode) {<a name="line.1490"></a>
+<span class="sourceLineNo">1491</span> State state = regionNode.transitionState(State.CLOSED, RegionStates.STATES_EXPECTED_ON_CLOSE);<a name="line.1491"></a>
+<span class="sourceLineNo">1492</span> regionStates.removeRegionFromServer(regionNode.getRegionLocation(), regionNode);<a name="line.1492"></a>
+<span class="sourceLineNo">1493</span> regionNode.setLastHost(regionNode.getRegionLocation());<a name="line.1493"></a>
+<span class="sourceLineNo">1494</span> regionNode.setRegionLocation(null);<a name="line.1494"></a>
+<span class="sourceLineNo">1495</span> regionStateStore.updateRegionLocation(regionNode.getRegionInfo(), state,<a name="line.1495"></a>
+<span class="sourceLineNo">1496</span> regionNode.getRegionLocation()/*null*/, regionNode.getLastHost(),<a name="line.1496"></a>
+<span class="sourceLineNo">1497</span> HConstants.NO_SEQNUM, regionNode.getProcedure().getProcId());<a name="line.1497"></a>
+<span class="sourceLineNo">1498</span> sendRegionClosedNotification(hri);<a name="line.1498"></a>
+<span class="sourceLineNo">1499</span> }<a name="line.1499"></a>
+<span class="sourceLineNo">1500</span> }<a name="line.1500"></a>
+<span class="sourceLineNo">1501</span><a name="line.1501"></a>
+<span class="sourceLineNo">1502</span> public void markRegionAsSplit(final HRegionInfo parent, final ServerName serverName,<a name="line.1502"></a>
+<span class="sourceLineNo">1503</span> final HRegionInfo daughterA, final HRegionInfo daughterB)<a name="line.1503"></a>
+<span class="sourceLineNo">1504</span> throws IOException {<a name="line.1504"></a>
+<span class="sourceLineNo">1505</span> // Update hbase:meta. Parent will be marked offline and split up in hbase:meta.<a name="line.1505"></a>
+<span class="sourceLineNo">1506</span> // The parent stays in regionStates until cleared when removed by CatalogJanitor.<a name="line.1506"></a>
+<span class="sourceLineNo">1507</span> // Update its state in regionStates to it shows as offline and split when read<a name="line.1507"></a>
+<span class="sourceLineNo">1508</span> // later figuring what regions are in a table and what are not: see<a name="line.1508"></a>
+<span class="sourceLineNo">1509</span> // regionStates#getRegionsOfTable<a name="line.1509"></a>
+<span class="sourceLineNo">1510</span> final RegionStateNode node = regionStates.getOrCreateRegionNode(parent);<a name="line.1510"></a>
+<span class="sourceLineNo">1511</span> node.setState(State.SPLIT);<a name="line.1511"></a>
+<span class="sourceLineNo">1512</span> regionStateStore.splitRegion(parent, daughterA, daughterB, serverName);<a name="line.1512"></a>
+<span class="sourceLineNo">1513</span> if (shouldAssignFavoredNodes(parent)) {<a name="line.1513"></a>
+<span class="sourceLineNo">1514</span> List<ServerName> onlineServers = this.master.getServerManager().getOnlineServersList();<a name="line.1514"></a>
+<span class="sourceLineNo">1515</span> ((FavoredNodesPromoter)getBalancer()).<a name="line.1515"></a>
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+<span class="sourceLineNo">1517</span> }<a name="line.1517"></a>
+<span class="sourceLineNo">1518</span> }<a name="line.1518"></a>
+<span class="sourceLineNo">1519</span><a name="line.1519"></a>
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+<span class="sourceLineNo">1523</span> * disassociated from a hosting Server. The merged region will be open after this call. The<a name="line.1523"></a>
+<span class="sourceLineNo">1524</span> * merged regions are removed from hbase:meta below> Later they are deleted from the filesystem<a name="line.1524"></a>
+<span class="sourceLineNo">1525</span> * by the catalog janitor running against hbase:meta. It notices when the merged region no<a name="line.1525"></a>
+<span class="sourceLineNo">1526</span> * longer holds references to the old regions.<a name="line.1526"></a>
+<span class="sourceLineNo">1527</span> */<a name="line.1527"></a>
+<span class="sourceLineNo">1528</span> public void markRegionAsMerged(final HRegionInfo child, final ServerName serverName,<a name="line.1528"></a>
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+<span class="sourceLineNo">1531</span> node.setState(State.MERGED);<a name="line.1531"></a>
+<span class="sourceLineNo">1532</span> regionStates.deleteRegion(mother);<a name="line.1532"></a>
+<span class="sourceLineNo">1533</span> regionStates.deleteRegion(father);<a name="line.1533"></a>
+<span class="sourceLineNo">1534</span> regionStateStore.mergeRegions(child, mother, father, serverName);<a name="line.1534"></a>
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+<span class="sourceLineNo">1536</span> ((FavoredNodesPromoter)getBalancer()).<a name="line.1536"></a>
+<span class="sourceLineNo">1537</span> generateFavoredNodesForMergedRegion(child, mother, father);<a name="line.1537"></a>
+<span class="sourceLineNo">1538</span> }<a name="line.1538"></a>
+<span class="sourceLineNo">1539</span> }<a name="line.1539"></a>
+<span class="sourceLineNo">1540</span><a name="line.1540"></a>
+<span class="sourceLineNo">1541</span> /*<a name="line.1541"></a>
+<span class="sourceLineNo">1542</span> * Favored nodes should be applied only when FavoredNodes balancer is configured and the region<a name="line.1542"></a>
+<span class="sourceLineNo">1543</span> * belongs to a non-system table.<a name="line.1543"></a>
+<span class="sourceLineNo">1544</span> */<a name="line.1544"></a>
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+<span class="sourceLineNo">1547</span> FavoredNodesManager.isFavoredNodeApplicable(region);<a name="line.1547"></a>
+<span class="sourceLineNo">1548</span> }<a name="line.1548"></a>
+<span class="sourceLineNo">1549</span><a name="line.1549"></a>
<span class="sourceLineNo">1550</span> // ============================================================================================<a name="line.1550"></a>
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-<span class="sourceLineNo">1552</span> private final ReentrantLock assignQueueLock = new ReentrantLock();<a name="line.1552"></a>
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+<span class="sourceLineNo">1779</span> // ============================================================================================<a name="line.1779"></a>
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