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Posted to commits@hbase.apache.org by gi...@apache.org on 2019/01/03 14:53:30 UTC
[24/51] [partial] hbase-site git commit: Published site at
466fa920fee572fe20db3b77ebf539dc304d5f31.
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/2bf59208/devapidocs/src-html/org/apache/hadoop/hbase/client/AsyncNonMetaRegionLocator.TableCache.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/client/AsyncNonMetaRegionLocator.TableCache.html b/devapidocs/src-html/org/apache/hadoop/hbase/client/AsyncNonMetaRegionLocator.TableCache.html
index 9aa9b59..ac7e0ea 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/client/AsyncNonMetaRegionLocator.TableCache.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/client/AsyncNonMetaRegionLocator.TableCache.html
@@ -28,520 +28,565 @@
<span class="sourceLineNo">020</span>import static org.apache.hadoop.hbase.HConstants.NINES;<a name="line.20"></a>
<span class="sourceLineNo">021</span>import static org.apache.hadoop.hbase.HConstants.ZEROES;<a name="line.21"></a>
<span class="sourceLineNo">022</span>import static org.apache.hadoop.hbase.TableName.META_TABLE_NAME;<a name="line.22"></a>
-<span class="sourceLineNo">023</span>import static org.apache.hadoop.hbase.client.ConnectionUtils.createClosestRowAfter;<a name="line.23"></a>
-<span class="sourceLineNo">024</span>import static org.apache.hadoop.hbase.client.ConnectionUtils.isEmptyStopRow;<a name="line.24"></a>
-<span class="sourceLineNo">025</span>import static org.apache.hadoop.hbase.client.RegionInfo.createRegionName;<a name="line.25"></a>
-<span class="sourceLineNo">026</span>import static org.apache.hadoop.hbase.util.Bytes.BYTES_COMPARATOR;<a name="line.26"></a>
-<span class="sourceLineNo">027</span>import static org.apache.hadoop.hbase.util.CollectionUtils.computeIfAbsent;<a name="line.27"></a>
-<span class="sourceLineNo">028</span><a name="line.28"></a>
-<span class="sourceLineNo">029</span>import java.io.IOException;<a name="line.29"></a>
-<span class="sourceLineNo">030</span>import java.util.Arrays;<a name="line.30"></a>
-<span class="sourceLineNo">031</span>import java.util.HashSet;<a name="line.31"></a>
-<span class="sourceLineNo">032</span>import java.util.Iterator;<a name="line.32"></a>
-<span class="sourceLineNo">033</span>import java.util.LinkedHashMap;<a name="line.33"></a>
-<span class="sourceLineNo">034</span>import java.util.Map;<a name="line.34"></a>
-<span class="sourceLineNo">035</span>import java.util.Optional;<a name="line.35"></a>
-<span class="sourceLineNo">036</span>import java.util.Set;<a name="line.36"></a>
-<span class="sourceLineNo">037</span>import java.util.concurrent.CompletableFuture;<a name="line.37"></a>
-<span class="sourceLineNo">038</span>import java.util.concurrent.ConcurrentHashMap;<a name="line.38"></a>
-<span class="sourceLineNo">039</span>import java.util.concurrent.ConcurrentMap;<a name="line.39"></a>
-<span class="sourceLineNo">040</span>import java.util.concurrent.ConcurrentNavigableMap;<a name="line.40"></a>
-<span class="sourceLineNo">041</span>import java.util.concurrent.ConcurrentSkipListMap;<a name="line.41"></a>
-<span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.DoNotRetryIOException;<a name="line.42"></a>
-<span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.HConstants;<a name="line.43"></a>
-<span class="sourceLineNo">044</span>import org.apache.hadoop.hbase.HRegionLocation;<a name="line.44"></a>
-<span class="sourceLineNo">045</span>import org.apache.hadoop.hbase.MetaTableAccessor;<a name="line.45"></a>
-<span class="sourceLineNo">046</span>import org.apache.hadoop.hbase.RegionLocations;<a name="line.46"></a>
-<span class="sourceLineNo">047</span>import org.apache.hadoop.hbase.TableName;<a name="line.47"></a>
-<span class="sourceLineNo">048</span>import org.apache.hadoop.hbase.TableNotFoundException;<a name="line.48"></a>
-<span class="sourceLineNo">049</span>import org.apache.hadoop.hbase.client.Scan.ReadType;<a name="line.49"></a>
-<span class="sourceLineNo">050</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.50"></a>
-<span class="sourceLineNo">051</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.51"></a>
-<span class="sourceLineNo">052</span>import org.slf4j.Logger;<a name="line.52"></a>
-<span class="sourceLineNo">053</span>import org.slf4j.LoggerFactory;<a name="line.53"></a>
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-<span class="sourceLineNo">055</span>import org.apache.hbase.thirdparty.com.google.common.annotations.VisibleForTesting;<a name="line.55"></a>
-<span class="sourceLineNo">056</span><a name="line.56"></a>
-<span class="sourceLineNo">057</span>/**<a name="line.57"></a>
-<span class="sourceLineNo">058</span> * The asynchronous locator for regions other than meta.<a name="line.58"></a>
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-<span class="sourceLineNo">063</span> private static final Logger LOG = LoggerFactory.getLogger(AsyncNonMetaRegionLocator.class);<a name="line.63"></a>
+<span class="sourceLineNo">023</span>import static org.apache.hadoop.hbase.client.AsyncRegionLocatorHelper.canUpdateOnError;<a name="line.23"></a>
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+<span class="sourceLineNo">025</span>import static org.apache.hadoop.hbase.client.AsyncRegionLocatorHelper.isGood;<a name="line.25"></a>
+<span class="sourceLineNo">026</span>import static org.apache.hadoop.hbase.client.AsyncRegionLocatorHelper.mergeRegionLocations;<a name="line.26"></a>
+<span class="sourceLineNo">027</span>import static org.apache.hadoop.hbase.client.AsyncRegionLocatorHelper.removeRegionLocation;<a name="line.27"></a>
+<span class="sourceLineNo">028</span>import static org.apache.hadoop.hbase.client.ConnectionUtils.createClosestRowAfter;<a name="line.28"></a>
+<span class="sourceLineNo">029</span>import static org.apache.hadoop.hbase.client.ConnectionUtils.isEmptyStopRow;<a name="line.29"></a>
+<span class="sourceLineNo">030</span>import static org.apache.hadoop.hbase.client.RegionInfo.createRegionName;<a name="line.30"></a>
+<span class="sourceLineNo">031</span>import static org.apache.hadoop.hbase.util.Bytes.BYTES_COMPARATOR;<a name="line.31"></a>
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+<span class="sourceLineNo">035</span>import java.util.Arrays;<a name="line.35"></a>
+<span class="sourceLineNo">036</span>import java.util.HashSet;<a name="line.36"></a>
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+<span class="sourceLineNo">038</span>import java.util.LinkedHashMap;<a name="line.38"></a>
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+<span class="sourceLineNo">044</span>import java.util.concurrent.ConcurrentMap;<a name="line.44"></a>
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+<span class="sourceLineNo">046</span>import java.util.concurrent.ConcurrentSkipListMap;<a name="line.46"></a>
+<span class="sourceLineNo">047</span>import org.apache.commons.lang3.ObjectUtils;<a name="line.47"></a>
+<span class="sourceLineNo">048</span>import org.apache.hadoop.hbase.DoNotRetryIOException;<a name="line.48"></a>
+<span class="sourceLineNo">049</span>import org.apache.hadoop.hbase.HBaseIOException;<a name="line.49"></a>
+<span class="sourceLineNo">050</span>import org.apache.hadoop.hbase.HConstants;<a name="line.50"></a>
+<span class="sourceLineNo">051</span>import org.apache.hadoop.hbase.HRegionLocation;<a name="line.51"></a>
+<span class="sourceLineNo">052</span>import org.apache.hadoop.hbase.MetaTableAccessor;<a name="line.52"></a>
+<span class="sourceLineNo">053</span>import org.apache.hadoop.hbase.RegionLocations;<a name="line.53"></a>
+<span class="sourceLineNo">054</span>import org.apache.hadoop.hbase.TableName;<a name="line.54"></a>
+<span class="sourceLineNo">055</span>import org.apache.hadoop.hbase.TableNotFoundException;<a name="line.55"></a>
+<span class="sourceLineNo">056</span>import org.apache.hadoop.hbase.client.Scan.ReadType;<a name="line.56"></a>
+<span class="sourceLineNo">057</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.57"></a>
+<span class="sourceLineNo">058</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.58"></a>
+<span class="sourceLineNo">059</span>import org.slf4j.Logger;<a name="line.59"></a>
+<span class="sourceLineNo">060</span>import org.slf4j.LoggerFactory;<a name="line.60"></a>
+<span class="sourceLineNo">061</span><a name="line.61"></a>
+<span class="sourceLineNo">062</span>import org.apache.hbase.thirdparty.com.google.common.annotations.VisibleForTesting;<a name="line.62"></a>
+<span class="sourceLineNo">063</span>import org.apache.hbase.thirdparty.com.google.common.base.Objects;<a name="line.63"></a>
<span class="sourceLineNo">064</span><a name="line.64"></a>
-<span class="sourceLineNo">065</span> @VisibleForTesting<a name="line.65"></a>
-<span class="sourceLineNo">066</span> static final String MAX_CONCURRENT_LOCATE_REQUEST_PER_TABLE =<a name="line.66"></a>
-<span class="sourceLineNo">067</span> "hbase.client.meta.max.concurrent.locate.per.table";<a name="line.67"></a>
-<span class="sourceLineNo">068</span><a name="line.68"></a>
-<span class="sourceLineNo">069</span> private static final int DEFAULT_MAX_CONCURRENT_LOCATE_REQUEST_PER_TABLE = 8;<a name="line.69"></a>
+<span class="sourceLineNo">065</span>/**<a name="line.65"></a>
+<span class="sourceLineNo">066</span> * The asynchronous locator for regions other than meta.<a name="line.66"></a>
+<span class="sourceLineNo">067</span> */<a name="line.67"></a>
+<span class="sourceLineNo">068</span>@InterfaceAudience.Private<a name="line.68"></a>
+<span class="sourceLineNo">069</span>class AsyncNonMetaRegionLocator {<a name="line.69"></a>
<span class="sourceLineNo">070</span><a name="line.70"></a>
-<span class="sourceLineNo">071</span> @VisibleForTesting<a name="line.71"></a>
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-<span class="sourceLineNo">073</span><a name="line.73"></a>
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-<span class="sourceLineNo">075</span><a name="line.75"></a>
-<span class="sourceLineNo">076</span> private final AsyncConnectionImpl conn;<a name="line.76"></a>
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-<span class="sourceLineNo">078</span> private final int maxConcurrentLocateRequestPerTable;<a name="line.78"></a>
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-<span class="sourceLineNo">080</span> private final int locatePrefetchLimit;<a name="line.80"></a>
+<span class="sourceLineNo">071</span> private static final Logger LOG = LoggerFactory.getLogger(AsyncNonMetaRegionLocator.class);<a name="line.71"></a>
+<span class="sourceLineNo">072</span><a name="line.72"></a>
+<span class="sourceLineNo">073</span> @VisibleForTesting<a name="line.73"></a>
+<span class="sourceLineNo">074</span> static final String MAX_CONCURRENT_LOCATE_REQUEST_PER_TABLE =<a name="line.74"></a>
+<span class="sourceLineNo">075</span> "hbase.client.meta.max.concurrent.locate.per.table";<a name="line.75"></a>
+<span class="sourceLineNo">076</span><a name="line.76"></a>
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+<span class="sourceLineNo">078</span><a name="line.78"></a>
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<span class="sourceLineNo">081</span><a name="line.81"></a>
-<span class="sourceLineNo">082</span> private final ConcurrentMap<TableName, TableCache> cache = new ConcurrentHashMap<>();<a name="line.82"></a>
+<span class="sourceLineNo">082</span> private static final int DEFAULT_LOCATE_PREFETCH_LIMIT = 10;<a name="line.82"></a>
<span class="sourceLineNo">083</span><a name="line.83"></a>
-<span class="sourceLineNo">084</span> private static final class LocateRequest {<a name="line.84"></a>
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<span class="sourceLineNo">085</span><a name="line.85"></a>
-<span class="sourceLineNo">086</span> public final byte[] row;<a name="line.86"></a>
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<span class="sourceLineNo">087</span><a name="line.87"></a>
-<span class="sourceLineNo">088</span> public final RegionLocateType locateType;<a name="line.88"></a>
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<span class="sourceLineNo">089</span><a name="line.89"></a>
-<span class="sourceLineNo">090</span> public LocateRequest(byte[] row, RegionLocateType locateType) {<a name="line.90"></a>
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-<span class="sourceLineNo">118</span> new LinkedHashMap<>();<a name="line.118"></a>
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+<span class="sourceLineNo">100</span> this.locateType = locateType;<a name="line.100"></a>
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+<span class="sourceLineNo">104</span> public int hashCode() {<a name="line.104"></a>
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-<span class="sourceLineNo">125</span> return pendingRequests.contains(req);<a name="line.125"></a>
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+<span class="sourceLineNo">126</span> new LinkedHashMap<>();<a name="line.126"></a>
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+<span class="sourceLineNo">128</span> public boolean hasQuota(int max) {<a name="line.128"></a>
+<span class="sourceLineNo">129</span> return pendingRequests.size() < max;<a name="line.129"></a>
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-<span class="sourceLineNo">132</span> public Optional<LocateRequest> getCandidate() {<a name="line.132"></a>
-<span class="sourceLineNo">133</span> return allRequests.keySet().stream().filter(r -> !isPending(r)).findFirst();<a name="line.133"></a>
+<span class="sourceLineNo">132</span> public boolean isPending(LocateRequest req) {<a name="line.132"></a>
+<span class="sourceLineNo">133</span> return pendingRequests.contains(req);<a name="line.133"></a>
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-<span class="sourceLineNo">139</span> Map.Entry<LocateRequest, CompletableFuture<HRegionLocation>> entry = iter.next();<a name="line.139"></a>
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+<span class="sourceLineNo">196</span><a name="line.196"></a>
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+<span class="sourceLineNo">229</span><a name="line.229"></a>
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+<span class="sourceLineNo">234</span> for (;;) {<a name="line.234"></a>
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+<span class="sourceLineNo">236</span> if (oldLocs == null) {<a name="line.236"></a>
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+<span class="sourceLineNo">243</span> " is newer than us or has the same server name." +<a name="line.243"></a>
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+<span class="sourceLineNo">252</span><a name="line.252"></a>
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+<span class="sourceLineNo">259</span> Optional<LocateRequest> toSend = Optional.empty();<a name="line.259"></a>
+<span class="sourceLineNo">260</span> TableCache tableCache = getTableCache(tableName);<a name="line.260"></a>
+<span class="sourceLineNo">261</span> if (locs != null) {<a name="line.261"></a>
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