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Posted to commits@hbase.apache.org by gi...@apache.org on 2018/12/18 14:56:49 UTC
[02/51] [partial] hbase-site git commit: Published site at
c448604ceb987d113913f0583452b2abce04db0d.
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/4f8b8424/devapidocs/src-html/org/apache/hadoop/hbase/master/ServerManager.FlushedSequenceIdFlusher.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/master/ServerManager.FlushedSequenceIdFlusher.html b/devapidocs/src-html/org/apache/hadoop/hbase/master/ServerManager.FlushedSequenceIdFlusher.html
index f1c0bc3..88147e4 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/master/ServerManager.FlushedSequenceIdFlusher.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/master/ServerManager.FlushedSequenceIdFlusher.html
@@ -610,585 +610,588 @@
<span class="sourceLineNo">602</span> return false;<a name="line.602"></a>
<span class="sourceLineNo">603</span> }<a name="line.603"></a>
<span class="sourceLineNo">604</span> LOG.info("Processing expiration of " + serverName + " on " + this.master.getServerName());<a name="line.604"></a>
-<span class="sourceLineNo">605</span> master.getAssignmentManager().submitServerCrash(serverName, true);<a name="line.605"></a>
-<span class="sourceLineNo">606</span><a name="line.606"></a>
-<span class="sourceLineNo">607</span> // Tell our listeners that a server was removed<a name="line.607"></a>
-<span class="sourceLineNo">608</span> if (!this.listeners.isEmpty()) {<a name="line.608"></a>
-<span class="sourceLineNo">609</span> for (ServerListener listener : this.listeners) {<a name="line.609"></a>
-<span class="sourceLineNo">610</span> listener.serverRemoved(serverName);<a name="line.610"></a>
-<span class="sourceLineNo">611</span> }<a name="line.611"></a>
-<span class="sourceLineNo">612</span> }<a name="line.612"></a>
-<span class="sourceLineNo">613</span> // trigger a persist of flushedSeqId<a name="line.613"></a>
-<span class="sourceLineNo">614</span> if (flushedSeqIdFlusher != null) {<a name="line.614"></a>
-<span class="sourceLineNo">615</span> flushedSeqIdFlusher.triggerNow();<a name="line.615"></a>
-<span class="sourceLineNo">616</span> }<a name="line.616"></a>
-<span class="sourceLineNo">617</span> return true;<a name="line.617"></a>
-<span class="sourceLineNo">618</span> }<a name="line.618"></a>
-<span class="sourceLineNo">619</span><a name="line.619"></a>
-<span class="sourceLineNo">620</span> @VisibleForTesting<a name="line.620"></a>
-<span class="sourceLineNo">621</span> public void moveFromOnlineToDeadServers(final ServerName sn) {<a name="line.621"></a>
-<span class="sourceLineNo">622</span> synchronized (onlineServers) {<a name="line.622"></a>
-<span class="sourceLineNo">623</span> if (!this.onlineServers.containsKey(sn)) {<a name="line.623"></a>
-<span class="sourceLineNo">624</span> LOG.trace("Expiration of {} but server not online", sn);<a name="line.624"></a>
-<span class="sourceLineNo">625</span> }<a name="line.625"></a>
-<span class="sourceLineNo">626</span> // Remove the server from the known servers lists and update load info BUT<a name="line.626"></a>
-<span class="sourceLineNo">627</span> // add to deadservers first; do this so it'll show in dead servers list if<a name="line.627"></a>
-<span class="sourceLineNo">628</span> // not in online servers list.<a name="line.628"></a>
-<span class="sourceLineNo">629</span> this.deadservers.add(sn);<a name="line.629"></a>
-<span class="sourceLineNo">630</span> this.onlineServers.remove(sn);<a name="line.630"></a>
-<span class="sourceLineNo">631</span> onlineServers.notifyAll();<a name="line.631"></a>
-<span class="sourceLineNo">632</span> }<a name="line.632"></a>
-<span class="sourceLineNo">633</span> this.rsAdmins.remove(sn);<a name="line.633"></a>
-<span class="sourceLineNo">634</span> }<a name="line.634"></a>
-<span class="sourceLineNo">635</span><a name="line.635"></a>
-<span class="sourceLineNo">636</span> /*<a name="line.636"></a>
-<span class="sourceLineNo">637</span> * Remove the server from the drain list.<a name="line.637"></a>
-<span class="sourceLineNo">638</span> */<a name="line.638"></a>
-<span class="sourceLineNo">639</span> public synchronized boolean removeServerFromDrainList(final ServerName sn) {<a name="line.639"></a>
-<span class="sourceLineNo">640</span> // Warn if the server (sn) is not online. ServerName is of the form:<a name="line.640"></a>
-<span class="sourceLineNo">641</span> // <hostname> , <port> , <startcode><a name="line.641"></a>
-<span class="sourceLineNo">642</span><a name="line.642"></a>
-<span class="sourceLineNo">643</span> if (!this.isServerOnline(sn)) {<a name="line.643"></a>
-<span class="sourceLineNo">644</span> LOG.warn("Server " + sn + " is not currently online. " +<a name="line.644"></a>
-<span class="sourceLineNo">645</span> "Removing from draining list anyway, as requested.");<a name="line.645"></a>
-<span class="sourceLineNo">646</span> }<a name="line.646"></a>
-<span class="sourceLineNo">647</span> // Remove the server from the draining servers lists.<a name="line.647"></a>
-<span class="sourceLineNo">648</span> return this.drainingServers.remove(sn);<a name="line.648"></a>
-<span class="sourceLineNo">649</span> }<a name="line.649"></a>
-<span class="sourceLineNo">650</span><a name="line.650"></a>
-<span class="sourceLineNo">651</span> /**<a name="line.651"></a>
-<span class="sourceLineNo">652</span> * Add the server to the drain list.<a name="line.652"></a>
-<span class="sourceLineNo">653</span> * @param sn<a name="line.653"></a>
-<span class="sourceLineNo">654</span> * @return True if the server is added or the server is already on the drain list.<a name="line.654"></a>
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-<span class="sourceLineNo">657</span> // Warn if the server (sn) is not online. ServerName is of the form:<a name="line.657"></a>
-<span class="sourceLineNo">658</span> // <hostname> , <port> , <startcode><a name="line.658"></a>
-<span class="sourceLineNo">659</span><a name="line.659"></a>
-<span class="sourceLineNo">660</span> if (!this.isServerOnline(sn)) {<a name="line.660"></a>
-<span class="sourceLineNo">661</span> LOG.warn("Server " + sn + " is not currently online. " +<a name="line.661"></a>
-<span class="sourceLineNo">662</span> "Ignoring request to add it to draining list.");<a name="line.662"></a>
-<span class="sourceLineNo">663</span> return false;<a name="line.663"></a>
-<span class="sourceLineNo">664</span> }<a name="line.664"></a>
-<span class="sourceLineNo">665</span> // Add the server to the draining servers lists, if it's not already in<a name="line.665"></a>
-<span class="sourceLineNo">666</span> // it.<a name="line.666"></a>
-<span class="sourceLineNo">667</span> if (this.drainingServers.contains(sn)) {<a name="line.667"></a>
-<span class="sourceLineNo">668</span> LOG.warn("Server " + sn + " is already in the draining server list." +<a name="line.668"></a>
-<span class="sourceLineNo">669</span> "Ignoring request to add it again.");<a name="line.669"></a>
-<span class="sourceLineNo">670</span> return true;<a name="line.670"></a>
-<span class="sourceLineNo">671</span> }<a name="line.671"></a>
-<span class="sourceLineNo">672</span> LOG.info("Server " + sn + " added to draining server list.");<a name="line.672"></a>
-<span class="sourceLineNo">673</span> return this.drainingServers.add(sn);<a name="line.673"></a>
-<span class="sourceLineNo">674</span> }<a name="line.674"></a>
-<span class="sourceLineNo">675</span><a name="line.675"></a>
-<span class="sourceLineNo">676</span> // RPC methods to region servers<a name="line.676"></a>
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-<span class="sourceLineNo">678</span> private HBaseRpcController newRpcController() {<a name="line.678"></a>
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-<span class="sourceLineNo">681</span><a name="line.681"></a>
-<span class="sourceLineNo">682</span> /**<a name="line.682"></a>
-<span class="sourceLineNo">683</span> * Sends a WARMUP RPC to the specified server to warmup the specified region.<a name="line.683"></a>
-<span class="sourceLineNo">684</span> * <p><a name="line.684"></a>
-<span class="sourceLineNo">685</span> * A region server could reject the close request because it either does not<a name="line.685"></a>
-<span class="sourceLineNo">686</span> * have the specified region or the region is being split.<a name="line.686"></a>
-<span class="sourceLineNo">687</span> * @param server server to warmup a region<a name="line.687"></a>
-<span class="sourceLineNo">688</span> * @param region region to warmup<a name="line.688"></a>
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-<span class="sourceLineNo">690</span> public void sendRegionWarmup(ServerName server,<a name="line.690"></a>
-<span class="sourceLineNo">691</span> RegionInfo region) {<a name="line.691"></a>
-<span class="sourceLineNo">692</span> if (server == null) return;<a name="line.692"></a>
-<span class="sourceLineNo">693</span> try {<a name="line.693"></a>
-<span class="sourceLineNo">694</span> AdminService.BlockingInterface admin = getRsAdmin(server);<a name="line.694"></a>
-<span class="sourceLineNo">695</span> HBaseRpcController controller = newRpcController();<a name="line.695"></a>
-<span class="sourceLineNo">696</span> ProtobufUtil.warmupRegion(controller, admin, region);<a name="line.696"></a>
-<span class="sourceLineNo">697</span> } catch (IOException e) {<a name="line.697"></a>
-<span class="sourceLineNo">698</span> LOG.error("Received exception in RPC for warmup server:" +<a name="line.698"></a>
-<span class="sourceLineNo">699</span> server + "region: " + region +<a name="line.699"></a>
-<span class="sourceLineNo">700</span> "exception: " + e);<a name="line.700"></a>
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-<span class="sourceLineNo">703</span><a name="line.703"></a>
-<span class="sourceLineNo">704</span> /**<a name="line.704"></a>
-<span class="sourceLineNo">705</span> * Contacts a region server and waits up to timeout ms<a name="line.705"></a>
-<span class="sourceLineNo">706</span> * to close the region. This bypasses the active hmaster.<a name="line.706"></a>
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-<span class="sourceLineNo">712</span> try {<a name="line.712"></a>
-<span class="sourceLineNo">713</span> ProtobufUtil.closeRegion(controller, rs, server, region.getRegionName());<a name="line.713"></a>
-<span class="sourceLineNo">714</span> } catch (IOException e) {<a name="line.714"></a>
-<span class="sourceLineNo">715</span> LOG.warn("Exception when closing region: " + region.getRegionNameAsString(), e);<a name="line.715"></a>
-<span class="sourceLineNo">716</span> }<a name="line.716"></a>
-<span class="sourceLineNo">717</span> long expiration = timeout + System.currentTimeMillis();<a name="line.717"></a>
-<span class="sourceLineNo">718</span> while (System.currentTimeMillis() < expiration) {<a name="line.718"></a>
-<span class="sourceLineNo">719</span> controller.reset();<a name="line.719"></a>
-<span class="sourceLineNo">720</span> try {<a name="line.720"></a>
-<span class="sourceLineNo">721</span> RegionInfo rsRegion =<a name="line.721"></a>
-<span class="sourceLineNo">722</span> ProtobufUtil.getRegionInfo(controller, rs, region.getRegionName());<a name="line.722"></a>
-<span class="sourceLineNo">723</span> if (rsRegion == null) return;<a name="line.723"></a>
-<span class="sourceLineNo">724</span> } catch (IOException ioe) {<a name="line.724"></a>
-<span class="sourceLineNo">725</span> if (ioe instanceof NotServingRegionException) // no need to retry again<a name="line.725"></a>
-<span class="sourceLineNo">726</span> return;<a name="line.726"></a>
-<span class="sourceLineNo">727</span> LOG.warn("Exception when retrieving regioninfo from: "<a name="line.727"></a>
-<span class="sourceLineNo">728</span> + region.getRegionNameAsString(), ioe);<a name="line.728"></a>
-<span class="sourceLineNo">729</span> }<a name="line.729"></a>
-<span class="sourceLineNo">730</span> Thread.sleep(1000);<a name="line.730"></a>
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-<span class="sourceLineNo">732</span> throw new IOException("Region " + region + " failed to close within"<a name="line.732"></a>
-<span class="sourceLineNo">733</span> + " timeout " + timeout);<a name="line.733"></a>
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-<span class="sourceLineNo">736</span> /**<a name="line.736"></a>
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-<span class="sourceLineNo">739</span> * @throws IOException<a name="line.739"></a>
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-<span class="sourceLineNo">744</span> AdminService.BlockingInterface admin = this.rsAdmins.get(sn);<a name="line.744"></a>
-<span class="sourceLineNo">745</span> if (admin == null) {<a name="line.745"></a>
-<span class="sourceLineNo">746</span> LOG.debug("New admin connection to " + sn.toString());<a name="line.746"></a>
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-<span class="sourceLineNo">758</span> /**<a name="line.758"></a>
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-<span class="sourceLineNo">771</span> LoadBalancer.isSystemTablesOnlyOnMaster(master.getConfiguration())) {<a name="line.771"></a>
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-<span class="sourceLineNo">773</span> // space regions, so we need a second server.<a name="line.773"></a>
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-<span class="sourceLineNo">776</span><a name="line.776"></a>
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-<span class="sourceLineNo">779</span> return Math.max(minToStart, minimumRequired);<a name="line.779"></a>
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-<span class="sourceLineNo">781</span><a name="line.781"></a>
-<span class="sourceLineNo">782</span> /**<a name="line.782"></a>
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-<span class="sourceLineNo">797</span> getLong(WAIT_ON_REGIONSERVERS_INTERVAL, 1500);<a name="line.797"></a>
-<span class="sourceLineNo">798</span> final long timeout = this.master.getConfiguration().<a name="line.798"></a>
-<span class="sourceLineNo">799</span> getLong(WAIT_ON_REGIONSERVERS_TIMEOUT, 4500);<a name="line.799"></a>
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-<span class="sourceLineNo">803</span> getInt(WAIT_ON_REGIONSERVERS_MAXTOSTART, Integer.MAX_VALUE);<a name="line.803"></a>
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-<span class="sourceLineNo">805</span> LOG.warn(String.format("The value of '%s' (%d) is set less than '%s' (%d), ignoring.",<a name="line.805"></a>
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-<span class="sourceLineNo">823</span> // 2. We are under the total timeout.<a name="line.823"></a>
-<span class="sourceLineNo">824</span> // 3. The count of servers is < minimum.<a name="line.824"></a>
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