You are viewing a plain text version of this content. The canonical link for it is here.
Posted to commits@hbase.apache.org by gi...@apache.org on 2018/10/15 14:53:22 UTC
[25/38] hbase-site git commit: Published site at
4a043126b1bc9ef92ddbe04732ec5ac769d15b0f.
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/9c64af45/devapidocs/src-html/org/apache/hadoop/hbase/master/HMaster.TableDescriptorGetter.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/master/HMaster.TableDescriptorGetter.html b/devapidocs/src-html/org/apache/hadoop/hbase/master/HMaster.TableDescriptorGetter.html
index f808b16..f359a0c 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/master/HMaster.TableDescriptorGetter.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/master/HMaster.TableDescriptorGetter.html
@@ -1715,2239 +1715,2246 @@
<span class="sourceLineNo">1707</span> for (RegionPlan plan: plans) {<a name="line.1707"></a>
<span class="sourceLineNo">1708</span> LOG.info("balance " + plan);<a name="line.1708"></a>
<span class="sourceLineNo">1709</span> //TODO: bulk assign<a name="line.1709"></a>
-<span class="sourceLineNo">1710</span> this.assignmentManager.moveAsync(plan);<a name="line.1710"></a>
-<span class="sourceLineNo">1711</span> rpCount++;<a name="line.1711"></a>
-<span class="sourceLineNo">1712</span><a name="line.1712"></a>
-<span class="sourceLineNo">1713</span> balanceThrottling(balanceStartTime + rpCount * balanceInterval, maxRegionsInTransition,<a name="line.1713"></a>
-<span class="sourceLineNo">1714</span> cutoffTime);<a name="line.1714"></a>
-<span class="sourceLineNo">1715</span><a name="line.1715"></a>
-<span class="sourceLineNo">1716</span> // if performing next balance exceeds cutoff time, exit the loop<a name="line.1716"></a>
-<span class="sourceLineNo">1717</span> if (rpCount < plans.size() && System.currentTimeMillis() > cutoffTime) {<a name="line.1717"></a>
-<span class="sourceLineNo">1718</span> // TODO: After balance, there should not be a cutoff time (keeping it as<a name="line.1718"></a>
-<span class="sourceLineNo">1719</span> // a security net for now)<a name="line.1719"></a>
-<span class="sourceLineNo">1720</span> LOG.debug("No more balancing till next balance run; maxBalanceTime="<a name="line.1720"></a>
-<span class="sourceLineNo">1721</span> + this.maxBlancingTime);<a name="line.1721"></a>
-<span class="sourceLineNo">1722</span> break;<a name="line.1722"></a>
-<span class="sourceLineNo">1723</span> }<a name="line.1723"></a>
-<span class="sourceLineNo">1724</span> }<a name="line.1724"></a>
-<span class="sourceLineNo">1725</span> }<a name="line.1725"></a>
-<span class="sourceLineNo">1726</span><a name="line.1726"></a>
-<span class="sourceLineNo">1727</span> if (this.cpHost != null) {<a name="line.1727"></a>
-<span class="sourceLineNo">1728</span> try {<a name="line.1728"></a>
-<span class="sourceLineNo">1729</span> this.cpHost.postBalance(rpCount < plans.size() ? plans.subList(0, rpCount) : plans);<a name="line.1729"></a>
-<span class="sourceLineNo">1730</span> } catch (IOException ioe) {<a name="line.1730"></a>
-<span class="sourceLineNo">1731</span> // balancing already succeeded so don't change the result<a name="line.1731"></a>
-<span class="sourceLineNo">1732</span> LOG.error("Error invoking master coprocessor postBalance()", ioe);<a name="line.1732"></a>
-<span class="sourceLineNo">1733</span> }<a name="line.1733"></a>
-<span class="sourceLineNo">1734</span> }<a name="line.1734"></a>
-<span class="sourceLineNo">1735</span> }<a name="line.1735"></a>
-<span class="sourceLineNo">1736</span> // If LoadBalancer did not generate any plans, it means the cluster is already balanced.<a name="line.1736"></a>
-<span class="sourceLineNo">1737</span> // Return true indicating a success.<a name="line.1737"></a>
-<span class="sourceLineNo">1738</span> return true;<a name="line.1738"></a>
-<span class="sourceLineNo">1739</span> }<a name="line.1739"></a>
-<span class="sourceLineNo">1740</span><a name="line.1740"></a>
-<span class="sourceLineNo">1741</span> @Override<a name="line.1741"></a>
-<span class="sourceLineNo">1742</span> @VisibleForTesting<a name="line.1742"></a>
-<span class="sourceLineNo">1743</span> public RegionNormalizer getRegionNormalizer() {<a name="line.1743"></a>
-<span class="sourceLineNo">1744</span> return this.normalizer;<a name="line.1744"></a>
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-<span class="sourceLineNo">1746</span><a name="line.1746"></a>
-<span class="sourceLineNo">1747</span> /**<a name="line.1747"></a>
-<span class="sourceLineNo">1748</span> * Perform normalization of cluster (invoked by {@link RegionNormalizerChore}).<a name="line.1748"></a>
-<span class="sourceLineNo">1749</span> *<a name="line.1749"></a>
-<span class="sourceLineNo">1750</span> * @return true if normalization step was performed successfully, false otherwise<a name="line.1750"></a>
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-<span class="sourceLineNo">1752</span> * is globally disabled)<a name="line.1752"></a>
-<span class="sourceLineNo">1753</span> */<a name="line.1753"></a>
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-<span class="sourceLineNo">1756</span> LOG.debug("Master has not been initialized, don't run region normalizer.");<a name="line.1756"></a>
-<span class="sourceLineNo">1757</span> return false;<a name="line.1757"></a>
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-<span class="sourceLineNo">1760</span> if (isInMaintenanceMode()) {<a name="line.1760"></a>
-<span class="sourceLineNo">1761</span> LOG.info("Master is in maintenance mode, don't run region normalizer.");<a name="line.1761"></a>
-<span class="sourceLineNo">1762</span> return false;<a name="line.1762"></a>
-<span class="sourceLineNo">1763</span> }<a name="line.1763"></a>
-<span class="sourceLineNo">1764</span><a name="line.1764"></a>
-<span class="sourceLineNo">1765</span> if (!this.regionNormalizerTracker.isNormalizerOn()) {<a name="line.1765"></a>
-<span class="sourceLineNo">1766</span> LOG.debug("Region normalization is disabled, don't run region normalizer.");<a name="line.1766"></a>
-<span class="sourceLineNo">1767</span> return false;<a name="line.1767"></a>
-<span class="sourceLineNo">1768</span> }<a name="line.1768"></a>
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-<span class="sourceLineNo">1770</span> synchronized (this.normalizer) {<a name="line.1770"></a>
-<span class="sourceLineNo">1771</span> // Don't run the normalizer concurrently<a name="line.1771"></a>
-<span class="sourceLineNo">1772</span> List<TableName> allEnabledTables = new ArrayList<>(<a name="line.1772"></a>
-<span class="sourceLineNo">1773</span> this.tableStateManager.getTablesInStates(TableState.State.ENABLED));<a name="line.1773"></a>
-<span class="sourceLineNo">1774</span><a name="line.1774"></a>
-<span class="sourceLineNo">1775</span> Collections.shuffle(allEnabledTables);<a name="line.1775"></a>
+<span class="sourceLineNo">1710</span> try {<a name="line.1710"></a>
+<span class="sourceLineNo">1711</span> this.assignmentManager.moveAsync(plan);<a name="line.1711"></a>
+<span class="sourceLineNo">1712</span> } catch (HBaseIOException hioe) {<a name="line.1712"></a>
+<span class="sourceLineNo">1713</span> //should ignore failed plans here, avoiding the whole balance plans be aborted<a name="line.1713"></a>
+<span class="sourceLineNo">1714</span> //later calls of balance() can fetch up the failed and skipped plans<a name="line.1714"></a>
+<span class="sourceLineNo">1715</span> LOG.warn("Failed balance plan: {}, just skip it", plan, hioe);<a name="line.1715"></a>
+<span class="sourceLineNo">1716</span> }<a name="line.1716"></a>
+<span class="sourceLineNo">1717</span> //rpCount records balance plans processed, does not care if a plan succeeds<a name="line.1717"></a>
+<span class="sourceLineNo">1718</span> rpCount++;<a name="line.1718"></a>
+<span class="sourceLineNo">1719</span><a name="line.1719"></a>
+<span class="sourceLineNo">1720</span> balanceThrottling(balanceStartTime + rpCount * balanceInterval, maxRegionsInTransition,<a name="line.1720"></a>
+<span class="sourceLineNo">1721</span> cutoffTime);<a name="line.1721"></a>
+<span class="sourceLineNo">1722</span><a name="line.1722"></a>
+<span class="sourceLineNo">1723</span> // if performing next balance exceeds cutoff time, exit the loop<a name="line.1723"></a>
+<span class="sourceLineNo">1724</span> if (rpCount < plans.size() && System.currentTimeMillis() > cutoffTime) {<a name="line.1724"></a>
+<span class="sourceLineNo">1725</span> // TODO: After balance, there should not be a cutoff time (keeping it as<a name="line.1725"></a>
+<span class="sourceLineNo">1726</span> // a security net for now)<a name="line.1726"></a>
+<span class="sourceLineNo">1727</span> LOG.debug("No more balancing till next balance run; maxBalanceTime="<a name="line.1727"></a>
+<span class="sourceLineNo">1728</span> + this.maxBlancingTime);<a name="line.1728"></a>
+<span class="sourceLineNo">1729</span> break;<a name="line.1729"></a>
+<span class="sourceLineNo">1730</span> }<a name="line.1730"></a>
+<span class="sourceLineNo">1731</span> }<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> if (this.cpHost != null) {<a name="line.1734"></a>
+<span class="sourceLineNo">1735</span> try {<a name="line.1735"></a>
+<span class="sourceLineNo">1736</span> this.cpHost.postBalance(rpCount < plans.size() ? plans.subList(0, rpCount) : plans);<a name="line.1736"></a>
+<span class="sourceLineNo">1737</span> } catch (IOException ioe) {<a name="line.1737"></a>
+<span class="sourceLineNo">1738</span> // balancing already succeeded so don't change the result<a name="line.1738"></a>
+<span class="sourceLineNo">1739</span> LOG.error("Error invoking master coprocessor postBalance()", ioe);<a name="line.1739"></a>
+<span class="sourceLineNo">1740</span> }<a name="line.1740"></a>
+<span class="sourceLineNo">1741</span> }<a name="line.1741"></a>
+<span class="sourceLineNo">1742</span> }<a name="line.1742"></a>
+<span class="sourceLineNo">1743</span> // If LoadBalancer did not generate any plans, it means the cluster is already balanced.<a name="line.1743"></a>
+<span class="sourceLineNo">1744</span> // Return true indicating a success.<a name="line.1744"></a>
+<span class="sourceLineNo">1745</span> return true;<a name="line.1745"></a>
+<span class="sourceLineNo">1746</span> }<a name="line.1746"></a>
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+<span class="sourceLineNo">1754</span> /**<a name="line.1754"></a>
+<span class="sourceLineNo">1755</span> * Perform normalization of cluster (invoked by {@link RegionNormalizerChore}).<a name="line.1755"></a>
+<span class="sourceLineNo">1756</span> *<a name="line.1756"></a>
+<span class="sourceLineNo">1757</span> * @return true if normalization step was performed successfully, false otherwise<a name="line.1757"></a>
+<span class="sourceLineNo">1758</span> * (specifically, if HMaster hasn't been initialized properly or normalization<a name="line.1758"></a>
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+<span class="sourceLineNo">1763</span> LOG.debug("Master has not been initialized, don't run region normalizer.");<a name="line.1763"></a>
+<span class="sourceLineNo">1764</span> return false;<a name="line.1764"></a>
+<span class="sourceLineNo">1765</span> }<a name="line.1765"></a>
+<span class="sourceLineNo">1766</span><a name="line.1766"></a>
+<span class="sourceLineNo">1767</span> if (isInMaintenanceMode()) {<a name="line.1767"></a>
+<span class="sourceLineNo">1768</span> LOG.info("Master is in maintenance mode, don't run region normalizer.");<a name="line.1768"></a>
+<span class="sourceLineNo">1769</span> return false;<a name="line.1769"></a>
+<span class="sourceLineNo">1770</span> }<a name="line.1770"></a>
+<span class="sourceLineNo">1771</span><a name="line.1771"></a>
+<span class="sourceLineNo">1772</span> if (!this.regionNormalizerTracker.isNormalizerOn()) {<a name="line.1772"></a>
+<span class="sourceLineNo">1773</span> LOG.debug("Region normalization is disabled, don't run region normalizer.");<a name="line.1773"></a>
+<span class="sourceLineNo">1774</span> return false;<a name="line.1774"></a>
+<span class="sourceLineNo">1775</span> }<a name="line.1775"></a>
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-<span class="sourceLineNo">1777</span> for (TableName table : allEnabledTables) {<a name="line.1777"></a>
-<span class="sourceLineNo">1778</span> if (isInMaintenanceMode()) {<a name="line.1778"></a>
-<span class="sourceLineNo">1779</span> LOG.debug("Master is in maintenance mode, stop running region normalizer.");<a name="line.1779"></a>
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-<span class="sourceLineNo">1785</span> !tblDesc.isNormalizationEnabled())) {<a name="line.1785"></a>
-<span class="sourceLineNo">1786</span> LOG.trace("Skipping normalization for {}, as it's either system"<a name="line.1786"></a>
-<span class="sourceLineNo">1787</span> + " table or doesn't have auto normalization turned on", table);<a name="line.1787"></a>
-<span class="sourceLineNo">1788</span> continue;<a name="line.1788"></a>
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-<span class="sourceLineNo">1790</span> List<NormalizationPlan> plans = this.normalizer.computePlanForTable(table);<a name="line.1790"></a>
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-<span class="sourceLineNo">1808</span> /**<a name="line.1808"></a>
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+<span class="sourceLineNo">1777</span> synchronized (this.normalizer) {<a name="line.1777"></a>
+<span class="sourceLineNo">1778</span> // Don't run the normalizer concurrently<a name="line.1778"></a>
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+<span class="sourceLineNo">1780</span> this.tableStateManager.getTablesInStates(TableState.State.ENABLED));<a name="line.1780"></a>
+<span class="sourceLineNo">1781</span><a name="line.1781"></a>
+<span class="sourceLineNo">1782</span> Collections.shuffle(allEnabledTables);<a name="line.1782"></a>
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+<span class="sourceLineNo">1785</span> if (isInMaintenanceMode()) {<a name="line.1785"></a>
+<span class="sourceLineNo">1786</span> LOG.debug("Master is in maintenance mode, stop running region normalizer.");<a name="line.1786"></a>
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+<span class="sourceLineNo">1788</span> }<a name="line.1788"></a>
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+<span class="sourceLineNo">1793</span> LOG.trace("Skipping normalization for {}, as it's either system"<a name="line.1793"></a>
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+<span class="sourceLineNo">1798</span> if (plans != null) {<a name="line.1798"></a>
+<span class="sourceLineNo">1799</span> for (NormalizationPlan plan : plans) {<a name="line.1799"></a>
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+<span class="sourceLineNo">1801</span> if (plan.getType() == PlanType.SPLIT) {<a name="line.1801"></a>
+<span class="sourceLineNo">1802</span> splitPlanCount++;<a name="line.1802"></a>
+<span class="sourceLineNo">1803</span> } else if (plan.getType() == PlanType.MERGE) {<a name="line.1803"></a>
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<span class="sourceLineNo">2106</span><a name="line.2106"></a>
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