http://git-wip-us.apache.org/repos/asf/hbase-site/blob/90c7dfe4/devapidocs/src-html/org/apache/hadoop/hbase/client/AsyncMetaRegionLocator.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/client/AsyncMetaRegionLocator.html b/devapidocs/src-html/org/apache/hadoop/hbase/client/AsyncMetaRegionLocator.html index 4262b8f..0a3a353 100644 --- a/devapidocs/src-html/org/apache/hadoop/hbase/client/AsyncMetaRegionLocator.html +++ b/devapidocs/src-html/org/apache/hadoop/hbase/client/AsyncMetaRegionLocator.html @@ -53,81 +53,83 @@ <span class="sourceLineNo">045</span> this.registry = registry;<a name="line.45"></a> <span class="sourceLineNo">046</span> }<a name="line.46"></a> <span class="sourceLineNo">047</span><a name="line.47"></a> -<span class="sourceLineNo">048</span> CompletableFuture<HRegionLocation> getRegionLocation() {<a name="line.48"></a> +<span class="sourceLineNo">048</span> CompletableFuture<HRegionLocation> getRegionLocation(boolean reload) {<a name="line.48"></a> <span class="sourceLineNo">049</span> for (;;) {<a name="line.49"></a> -<span class="sourceLineNo">050</span> HRegionLocation metaRegionLocation = this.metaRegionLocation.get();<a name="line.50"></a> -<span class="sourceLineNo">051</span> if (metaRegionLocation != null) {<a name="line.51"></a> -<span class="sourceLineNo">052</span> return CompletableFuture.completedFuture(metaRegionLocation);<a name="line.52"></a> -<span class="sourceLineNo">053</span> }<a name="line.53"></a> -<span class="sourceLineNo">054</span> if (LOG.isTraceEnabled()) {<a name="line.54"></a> -<span class="sourceLineNo">055</span> LOG.trace("Meta region location cache is null, try fetching from registry.");<a name="line.55"></a> -<span class="sourceLineNo">056</span> }<a name="line.56"></a> -<span class="sourceLineNo">057</span> if (metaRelocateFuture.compareAndSet(null, new CompletableFuture<>())) {<a name="line.57"></a> -<span class="sourceLineNo">058</span> if (LOG.isDebugEnabled()) {<a name="line.58"></a> -<span class="sourceLineNo">059</span> LOG.debug("Start fetching meta region location from registry.");<a name="line.59"></a> -<span class="sourceLineNo">060</span> }<a name="line.60"></a> -<span class="sourceLineNo">061</span> CompletableFuture<HRegionLocation> future = metaRelocateFuture.get();<a name="line.61"></a> -<span class="sourceLineNo">062</span> registry.getMetaRegionLocation().whenComplete((locs, error) -> {<a name="line.62"></a> -<span class="sourceLineNo">063</span> if (error != null) {<a name="line.63"></a> -<span class="sourceLineNo">064</span> if (LOG.isDebugEnabled()) {<a name="line.64"></a> -<span class="sourceLineNo">065</span> LOG.debug("Failed to fetch meta region location from registry", error);<a name="line.65"></a> -<span class="sourceLineNo">066</span> }<a name="line.66"></a> -<span class="sourceLineNo">067</span> metaRelocateFuture.getAndSet(null).completeExceptionally(error);<a name="line.67"></a> -<span class="sourceLineNo">068</span> return;<a name="line.68"></a> -<span class="sourceLineNo">069</span> }<a name="line.69"></a> -<span class="sourceLineNo">070</span> HRegionLocation loc = locs.getDefaultRegionLocation();<a name="line.70"></a> -<span class="sourceLineNo">071</span> if (LOG.isDebugEnabled()) {<a name="line.71"></a> -<span class="sourceLineNo">072</span> LOG.debug("The fetched meta region location is " + loc);<a name="line.72"></a> -<span class="sourceLineNo">073</span> }<a name="line.73"></a> -<span class="sourceLineNo">074</span> // Here we update cache before reset future, so it is possible that someone can get a<a name="line.74"></a> -<span class="sourceLineNo">075</span> // stale value. Consider this:<a name="line.75"></a> -<span class="sourceLineNo">076</span> // 1. update cache<a name="line.76"></a> -<span class="sourceLineNo">077</span> // 2. someone clear the cache and relocate again<a name="line.77"></a> -<span class="sourceLineNo">078</span> // 3. the metaRelocateFuture is not null so the old future is used.<a name="line.78"></a> -<span class="sourceLineNo">079</span> // 4. we clear metaRelocateFuture and complete the future in it with the value being<a name="line.79"></a> -<span class="sourceLineNo">080</span> // cleared in step 2.<a name="line.80"></a> -<span class="sourceLineNo">081</span> // But we do not think it is a big deal as it rarely happens, and even if it happens, the<a name="line.81"></a> -<span class="sourceLineNo">082</span> // caller will retry again later, no correctness problems.<a name="line.82"></a> -<span class="sourceLineNo">083</span> this.metaRegionLocation.set(loc);<a name="line.83"></a> -<span class="sourceLineNo">084</span> metaRelocateFuture.set(null);<a name="line.84"></a> -<span class="sourceLineNo">085</span> future.complete(loc);<a name="line.85"></a> -<span class="sourceLineNo">086</span> });<a name="line.86"></a> -<span class="sourceLineNo">087</span> } else {<a name="line.87"></a> -<span class="sourceLineNo">088</span> CompletableFuture<HRegionLocation> future = metaRelocateFuture.get();<a name="line.88"></a> -<span class="sourceLineNo">089</span> if (future != null) {<a name="line.89"></a> -<span class="sourceLineNo">090</span> return future;<a name="line.90"></a> -<span class="sourceLineNo">091</span> }<a name="line.91"></a> -<span class="sourceLineNo">092</span> }<a name="line.92"></a> -<span class="sourceLineNo">093</span> }<a name="line.93"></a> -<span class="sourceLineNo">094</span> }<a name="line.94"></a> -<span class="sourceLineNo">095</span><a name="line.95"></a> -<span class="sourceLineNo">096</span> void updateCachedLocation(HRegionLocation loc, Throwable exception) {<a name="line.96"></a> -<span class="sourceLineNo">097</span> AsyncRegionLocator.updateCachedLocation(loc, exception, l -> metaRegionLocation.get(),<a name="line.97"></a> -<span class="sourceLineNo">098</span> newLoc -> {<a name="line.98"></a> -<span class="sourceLineNo">099</span> for (;;) {<a name="line.99"></a> -<span class="sourceLineNo">100</span> HRegionLocation oldLoc = metaRegionLocation.get();<a name="line.100"></a> -<span class="sourceLineNo">101</span> if (oldLoc != null && (oldLoc.getSeqNum() > newLoc.getSeqNum() ||<a name="line.101"></a> -<span class="sourceLineNo">102</span> oldLoc.getServerName().equals(newLoc.getServerName()))) {<a name="line.102"></a> -<span class="sourceLineNo">103</span> return;<a name="line.103"></a> -<span class="sourceLineNo">104</span> }<a name="line.104"></a> -<span class="sourceLineNo">105</span> if (metaRegionLocation.compareAndSet(oldLoc, newLoc)) {<a name="line.105"></a> -<span class="sourceLineNo">106</span> return;<a name="line.106"></a> -<span class="sourceLineNo">107</span> }<a name="line.107"></a> -<span class="sourceLineNo">108</span> }<a name="line.108"></a> -<span class="sourceLineNo">109</span> }, l -> {<a name="line.109"></a> -<span class="sourceLineNo">110</span> for (;;) {<a name="line.110"></a> -<span class="sourceLineNo">111</span> HRegionLocation oldLoc = metaRegionLocation.get();<a name="line.111"></a> -<span class="sourceLineNo">112</span> if (!canUpdate(l, oldLoc) || metaRegionLocation.compareAndSet(oldLoc, null)) {<a name="line.112"></a> -<span class="sourceLineNo">113</span> return;<a name="line.113"></a> -<span class="sourceLineNo">114</span> }<a name="line.114"></a> -<span class="sourceLineNo">115</span> }<a name="line.115"></a> -<span class="sourceLineNo">116</span> });<a name="line.116"></a> -<span class="sourceLineNo">117</span> }<a name="line.117"></a> -<span class="sourceLineNo">118</span><a name="line.118"></a> -<span class="sourceLineNo">119</span> void clearCache() {<a name="line.119"></a> -<span class="sourceLineNo">120</span> metaRegionLocation.set(null);<a name="line.120"></a> -<span class="sourceLineNo">121</span> }<a name="line.121"></a> -<span class="sourceLineNo">122</span>}<a name="line.122"></a> +<span class="sourceLineNo">050</span> if (!reload) {<a name="line.50"></a> +<span class="sourceLineNo">051</span> HRegionLocation metaRegionLocation = this.metaRegionLocation.get();<a name="line.51"></a> +<span class="sourceLineNo">052</span> if (metaRegionLocation != null) {<a name="line.52"></a> +<span class="sourceLineNo">053</span> return CompletableFuture.completedFuture(metaRegionLocation);<a name="line.53"></a> +<span class="sourceLineNo">054</span> }<a name="line.54"></a> +<span class="sourceLineNo">055</span> }<a name="line.55"></a> +<span class="sourceLineNo">056</span> if (LOG.isTraceEnabled()) {<a name="line.56"></a> +<span class="sourceLineNo">057</span> LOG.trace("Meta region location cache is null, try fetching from registry.");<a name="line.57"></a> +<span class="sourceLineNo">058</span> }<a name="line.58"></a> +<span class="sourceLineNo">059</span> if (metaRelocateFuture.compareAndSet(null, new CompletableFuture<>())) {<a name="line.59"></a> +<span class="sourceLineNo">060</span> if (LOG.isDebugEnabled()) {<a name="line.60"></a> +<span class="sourceLineNo">061</span> LOG.debug("Start fetching meta region location from registry.");<a name="line.61"></a> +<span class="sourceLineNo">062</span> }<a name="line.62"></a> +<span class="sourceLineNo">063</span> CompletableFuture<HRegionLocation> future = metaRelocateFuture.get();<a name="line.63"></a> +<span class="sourceLineNo">064</span> registry.getMetaRegionLocation().whenComplete((locs, error) -> {<a name="line.64"></a> +<span class="sourceLineNo">065</span> if (error != null) {<a name="line.65"></a> +<span class="sourceLineNo">066</span> if (LOG.isDebugEnabled()) {<a name="line.66"></a> +<span class="sourceLineNo">067</span> LOG.debug("Failed to fetch meta region location from registry", error);<a name="line.67"></a> +<span class="sourceLineNo">068</span> }<a name="line.68"></a> +<span class="sourceLineNo">069</span> metaRelocateFuture.getAndSet(null).completeExceptionally(error);<a name="line.69"></a> +<span class="sourceLineNo">070</span> return;<a name="line.70"></a> +<span class="sourceLineNo">071</span> }<a name="line.71"></a> +<span class="sourceLineNo">072</span> HRegionLocation loc = locs.getDefaultRegionLocation();<a name="line.72"></a> +<span class="sourceLineNo">073</span> if (LOG.isDebugEnabled()) {<a name="line.73"></a> +<span class="sourceLineNo">074</span> LOG.debug("The fetched meta region location is " + loc);<a name="line.74"></a> +<span class="sourceLineNo">075</span> }<a name="line.75"></a> +<span class="sourceLineNo">076</span> // Here we update cache before reset future, so it is possible that someone can get a<a name="line.76"></a> +<span class="sourceLineNo">077</span> // stale value. Consider this:<a name="line.77"></a> +<span class="sourceLineNo">078</span> // 1. update cache<a name="line.78"></a> +<span class="sourceLineNo">079</span> // 2. someone clear the cache and relocate again<a name="line.79"></a> +<span class="sourceLineNo">080</span> // 3. the metaRelocateFuture is not null so the old future is used.<a name="line.80"></a> +<span class="sourceLineNo">081</span> // 4. we clear metaRelocateFuture and complete the future in it with the value being<a name="line.81"></a> +<span class="sourceLineNo">082</span> // cleared in step 2.<a name="line.82"></a> +<span class="sourceLineNo">083</span> // But we do not think it is a big deal as it rarely happens, and even if it happens, the<a name="line.83"></a> +<span class="sourceLineNo">084</span> // caller will retry again later, no correctness problems.<a name="line.84"></a> +<span class="sourceLineNo">085</span> this.metaRegionLocation.set(loc);<a name="line.85"></a> +<span class="sourceLineNo">086</span> metaRelocateFuture.set(null);<a name="line.86"></a> +<span class="sourceLineNo">087</span> future.complete(loc);<a name="line.87"></a> +<span class="sourceLineNo">088</span> });<a name="line.88"></a> +<span class="sourceLineNo">089</span> } else {<a name="line.89"></a> +<span class="sourceLineNo">090</span> CompletableFuture<HRegionLocation> future = metaRelocateFuture.get();<a name="line.90"></a> +<span class="sourceLineNo">091</span> if (future != null) {<a name="line.91"></a> +<span class="sourceLineNo">092</span> return future;<a name="line.92"></a> +<span class="sourceLineNo">093</span> }<a name="line.93"></a> +<span class="sourceLineNo">094</span> }<a name="line.94"></a> +<span class="sourceLineNo">095</span> }<a name="line.95"></a> +<span class="sourceLineNo">096</span> }<a name="line.96"></a> +<span class="sourceLineNo">097</span><a name="line.97"></a> +<span class="sourceLineNo">098</span> void updateCachedLocation(HRegionLocation loc, Throwable exception) {<a name="line.98"></a> +<span class="sourceLineNo">099</span> AsyncRegionLocator.updateCachedLocation(loc, exception, l -> metaRegionLocation.get(),<a name="line.99"></a> +<span class="sourceLineNo">100</span> newLoc -> {<a name="line.100"></a> +<span class="sourceLineNo">101</span> for (;;) {<a name="line.101"></a> +<span class="sourceLineNo">102</span> HRegionLocation oldLoc = metaRegionLocation.get();<a name="line.102"></a> +<span class="sourceLineNo">103</span> if (oldLoc != null && (oldLoc.getSeqNum() > newLoc.getSeqNum() ||<a name="line.103"></a> +<span class="sourceLineNo">104</span> oldLoc.getServerName().equals(newLoc.getServerName()))) {<a name="line.104"></a> +<span class="sourceLineNo">105</span> return;<a name="line.105"></a> +<span class="sourceLineNo">106</span> }<a name="line.106"></a> +<span class="sourceLineNo">107</span> if (metaRegionLocation.compareAndSet(oldLoc, newLoc)) {<a name="line.107"></a> +<span class="sourceLineNo">108</span> return;<a name="line.108"></a> +<span class="sourceLineNo">109</span> }<a name="line.109"></a> +<span class="sourceLineNo">110</span> }<a name="line.110"></a> +<span class="sourceLineNo">111</span> }, l -> {<a name="line.111"></a> +<span class="sourceLineNo">112</span> for (;;) {<a name="line.112"></a> +<span class="sourceLineNo">113</span> HRegionLocation oldLoc = metaRegionLocation.get();<a name="line.113"></a> +<span class="sourceLineNo">114</span> if (!canUpdate(l, oldLoc) || metaRegionLocation.compareAndSet(oldLoc, null)) {<a name="line.114"></a> +<span class="sourceLineNo">115</span> return;<a name="line.115"></a> +<span class="sourceLineNo">116</span> }<a name="line.116"></a> +<span class="sourceLineNo">117</span> }<a name="line.117"></a> +<span class="sourceLineNo">118</span> });<a name="line.118"></a> +<span class="sourceLineNo">119</span> }<a name="line.119"></a> +<span class="sourceLineNo">120</span><a name="line.120"></a> +<span class="sourceLineNo">121</span> void clearCache() {<a name="line.121"></a> +<span class="sourceLineNo">122</span> metaRegionLocation.set(null);<a name="line.122"></a> +<span class="sourceLineNo">123</span> }<a name="line.123"></a> +<span class="sourceLineNo">124</span>}<a name="line.124"></a>
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/90c7dfe4/devapidocs/src-html/org/apache/hadoop/hbase/client/AsyncNonMetaRegionLocator.LocateRequest.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/client/AsyncNonMetaRegionLocator.LocateRequest.html b/devapidocs/src-html/org/apache/hadoop/hbase/client/AsyncNonMetaRegionLocator.LocateRequest.html index 486ce04..13bde46 100644 --- a/devapidocs/src-html/org/apache/hadoop/hbase/client/AsyncNonMetaRegionLocator.LocateRequest.html +++ b/devapidocs/src-html/org/apache/hadoop/hbase/client/AsyncNonMetaRegionLocator.LocateRequest.html @@ -400,77 +400,81 @@ <span class="sourceLineNo">392</span> // placed before it. Used for reverse scan. See the comment of<a name="line.392"></a> <span class="sourceLineNo">393</span> // AsyncRegionLocator.getPreviousRegionLocation.<a name="line.393"></a> <span class="sourceLineNo">394</span> private CompletableFuture<HRegionLocation> getRegionLocationInternal(TableName tableName,<a name="line.394"></a> -<span class="sourceLineNo">395</span> byte[] row, RegionLocateType locateType) {<a name="line.395"></a> +<span class="sourceLineNo">395</span> byte[] row, RegionLocateType locateType, boolean reload) {<a name="line.395"></a> <span class="sourceLineNo">396</span> // AFTER should be convert to CURRENT before calling this method<a name="line.396"></a> <span class="sourceLineNo">397</span> assert !locateType.equals(RegionLocateType.AFTER);<a name="line.397"></a> <span class="sourceLineNo">398</span> TableCache tableCache = getTableCache(tableName);<a name="line.398"></a> -<span class="sourceLineNo">399</span> HRegionLocation loc = locateInCache(tableCache, tableName, row, locateType);<a name="line.399"></a> -<span class="sourceLineNo">400</span> if (loc != null) {<a name="line.400"></a> -<span class="sourceLineNo">401</span> return CompletableFuture.completedFuture(loc);<a name="line.401"></a> -<span class="sourceLineNo">402</span> }<a name="line.402"></a> -<span class="sourceLineNo">403</span> CompletableFuture<HRegionLocation> future;<a name="line.403"></a> -<span class="sourceLineNo">404</span> LocateRequest req;<a name="line.404"></a> -<span class="sourceLineNo">405</span> boolean sendRequest = false;<a name="line.405"></a> -<span class="sourceLineNo">406</span> synchronized (tableCache) {<a name="line.406"></a> -<span class="sourceLineNo">407</span> // check again<a name="line.407"></a> -<span class="sourceLineNo">408</span> loc = locateInCache(tableCache, tableName, row, locateType);<a name="line.408"></a> -<span class="sourceLineNo">409</span> if (loc != null) {<a name="line.409"></a> -<span class="sourceLineNo">410</span> return CompletableFuture.completedFuture(loc);<a name="line.410"></a> -<span class="sourceLineNo">411</span> }<a name="line.411"></a> -<span class="sourceLineNo">412</span> req = new LocateRequest(row, locateType);<a name="line.412"></a> -<span class="sourceLineNo">413</span> future = tableCache.allRequests.get(req);<a name="line.413"></a> -<span class="sourceLineNo">414</span> if (future == null) {<a name="line.414"></a> -<span class="sourceLineNo">415</span> future = new CompletableFuture<>();<a name="line.415"></a> -<span class="sourceLineNo">416</span> tableCache.allRequests.put(req, future);<a name="line.416"></a> -<span class="sourceLineNo">417</span> if (tableCache.hasQuota(maxConcurrentLocateRequestPerTable) && !tableCache.isPending(req)) {<a name="line.417"></a> -<span class="sourceLineNo">418</span> tableCache.send(req);<a name="line.418"></a> -<span class="sourceLineNo">419</span> sendRequest = true;<a name="line.419"></a> -<span class="sourceLineNo">420</span> }<a name="line.420"></a> -<span class="sourceLineNo">421</span> }<a name="line.421"></a> -<span class="sourceLineNo">422</span> }<a name="line.422"></a> -<span class="sourceLineNo">423</span> if (sendRequest) {<a name="line.423"></a> -<span class="sourceLineNo">424</span> locateInMeta(tableName, req);<a name="line.424"></a> -<span class="sourceLineNo">425</span> }<a name="line.425"></a> -<span class="sourceLineNo">426</span> return future;<a name="line.426"></a> -<span class="sourceLineNo">427</span> }<a name="line.427"></a> -<span class="sourceLineNo">428</span><a name="line.428"></a> -<span class="sourceLineNo">429</span> CompletableFuture<HRegionLocation> getRegionLocation(TableName tableName, byte[] row,<a name="line.429"></a> -<span class="sourceLineNo">430</span> RegionLocateType locateType) {<a name="line.430"></a> -<span class="sourceLineNo">431</span> if (locateType.equals(RegionLocateType.BEFORE)) {<a name="line.431"></a> -<span class="sourceLineNo">432</span> return getRegionLocationInternal(tableName, row, locateType);<a name="line.432"></a> -<span class="sourceLineNo">433</span> } else {<a name="line.433"></a> -<span class="sourceLineNo">434</span> // as we know the exact row after us, so we can just create the new row, and use the same<a name="line.434"></a> -<span class="sourceLineNo">435</span> // algorithm to locate it.<a name="line.435"></a> -<span class="sourceLineNo">436</span> if (locateType.equals(RegionLocateType.AFTER)) {<a name="line.436"></a> -<span class="sourceLineNo">437</span> row = createClosestRowAfter(row);<a name="line.437"></a> -<span class="sourceLineNo">438</span> }<a name="line.438"></a> -<span class="sourceLineNo">439</span> return getRegionLocationInternal(tableName, row, RegionLocateType.CURRENT);<a name="line.439"></a> -<span class="sourceLineNo">440</span> }<a name="line.440"></a> -<span class="sourceLineNo">441</span> }<a name="line.441"></a> -<span class="sourceLineNo">442</span><a name="line.442"></a> -<span class="sourceLineNo">443</span> void updateCachedLocation(HRegionLocation loc, Throwable exception) {<a name="line.443"></a> -<span class="sourceLineNo">444</span> AsyncRegionLocator.updateCachedLocation(loc, exception, l -> {<a name="line.444"></a> -<span class="sourceLineNo">445</span> TableCache tableCache = cache.get(l.getRegionInfo().getTable());<a name="line.445"></a> -<span class="sourceLineNo">446</span> if (tableCache == null) {<a name="line.446"></a> -<span class="sourceLineNo">447</span> return null;<a name="line.447"></a> -<span class="sourceLineNo">448</span> }<a name="line.448"></a> -<span class="sourceLineNo">449</span> return tableCache.cache.get(l.getRegionInfo().getStartKey());<a name="line.449"></a> -<span class="sourceLineNo">450</span> }, this::addToCache, this::removeFromCache);<a name="line.450"></a> -<span class="sourceLineNo">451</span> }<a name="line.451"></a> -<span class="sourceLineNo">452</span><a name="line.452"></a> -<span class="sourceLineNo">453</span> void clearCache(TableName tableName) {<a name="line.453"></a> -<span class="sourceLineNo">454</span> TableCache tableCache = cache.remove(tableName);<a name="line.454"></a> -<span class="sourceLineNo">455</span> if (tableCache == null) {<a name="line.455"></a> -<span class="sourceLineNo">456</span> return;<a name="line.456"></a> -<span class="sourceLineNo">457</span> }<a name="line.457"></a> -<span class="sourceLineNo">458</span> synchronized (tableCache) {<a name="line.458"></a> -<span class="sourceLineNo">459</span> if (!tableCache.allRequests.isEmpty()) {<a name="line.459"></a> -<span class="sourceLineNo">460</span> IOException error = new IOException("Cache cleared");<a name="line.460"></a> -<span class="sourceLineNo">461</span> tableCache.allRequests.values().forEach(f -> f.completeExceptionally(error));<a name="line.461"></a> -<span class="sourceLineNo">462</span> }<a name="line.462"></a> -<span class="sourceLineNo">463</span> }<a name="line.463"></a> -<span class="sourceLineNo">464</span> }<a name="line.464"></a> -<span class="sourceLineNo">465</span>}<a name="line.465"></a> +<span class="sourceLineNo">399</span> if (!reload) {<a name="line.399"></a> +<span class="sourceLineNo">400</span> HRegionLocation loc = locateInCache(tableCache, tableName, row, locateType);<a name="line.400"></a> +<span class="sourceLineNo">401</span> if (loc != null) {<a name="line.401"></a> +<span class="sourceLineNo">402</span> return CompletableFuture.completedFuture(loc);<a name="line.402"></a> +<span class="sourceLineNo">403</span> }<a name="line.403"></a> +<span class="sourceLineNo">404</span> }<a name="line.404"></a> +<span class="sourceLineNo">405</span> CompletableFuture<HRegionLocation> future;<a name="line.405"></a> +<span class="sourceLineNo">406</span> LocateRequest req;<a name="line.406"></a> +<span class="sourceLineNo">407</span> boolean sendRequest = false;<a name="line.407"></a> +<span class="sourceLineNo">408</span> synchronized (tableCache) {<a name="line.408"></a> +<span class="sourceLineNo">409</span> // check again<a name="line.409"></a> +<span class="sourceLineNo">410</span> if (!reload) {<a name="line.410"></a> +<span class="sourceLineNo">411</span> HRegionLocation loc = locateInCache(tableCache, tableName, row, locateType);<a name="line.411"></a> +<span class="sourceLineNo">412</span> if (loc != null) {<a name="line.412"></a> +<span class="sourceLineNo">413</span> return CompletableFuture.completedFuture(loc);<a name="line.413"></a> +<span class="sourceLineNo">414</span> }<a name="line.414"></a> +<span class="sourceLineNo">415</span> }<a name="line.415"></a> +<span class="sourceLineNo">416</span> req = new LocateRequest(row, locateType);<a name="line.416"></a> +<span class="sourceLineNo">417</span> future = tableCache.allRequests.get(req);<a name="line.417"></a> +<span class="sourceLineNo">418</span> if (future == null) {<a name="line.418"></a> +<span class="sourceLineNo">419</span> future = new CompletableFuture<>();<a name="line.419"></a> +<span class="sourceLineNo">420</span> tableCache.allRequests.put(req, future);<a name="line.420"></a> +<span class="sourceLineNo">421</span> if (tableCache.hasQuota(maxConcurrentLocateRequestPerTable) && !tableCache.isPending(req)) {<a name="line.421"></a> +<span class="sourceLineNo">422</span> tableCache.send(req);<a name="line.422"></a> +<span class="sourceLineNo">423</span> sendRequest = true;<a name="line.423"></a> +<span class="sourceLineNo">424</span> }<a name="line.424"></a> +<span class="sourceLineNo">425</span> }<a name="line.425"></a> +<span class="sourceLineNo">426</span> }<a name="line.426"></a> +<span class="sourceLineNo">427</span> if (sendRequest) {<a name="line.427"></a> +<span class="sourceLineNo">428</span> locateInMeta(tableName, req);<a name="line.428"></a> +<span class="sourceLineNo">429</span> }<a name="line.429"></a> +<span class="sourceLineNo">430</span> return future;<a name="line.430"></a> +<span class="sourceLineNo">431</span> }<a name="line.431"></a> +<span class="sourceLineNo">432</span><a name="line.432"></a> +<span class="sourceLineNo">433</span> CompletableFuture<HRegionLocation> getRegionLocation(TableName tableName, byte[] row,<a name="line.433"></a> +<span class="sourceLineNo">434</span> RegionLocateType locateType, boolean reload) {<a name="line.434"></a> +<span class="sourceLineNo">435</span> if (locateType.equals(RegionLocateType.BEFORE)) {<a name="line.435"></a> +<span class="sourceLineNo">436</span> return getRegionLocationInternal(tableName, row, locateType, reload);<a name="line.436"></a> +<span class="sourceLineNo">437</span> } else {<a name="line.437"></a> +<span class="sourceLineNo">438</span> // as we know the exact row after us, so we can just create the new row, and use the same<a name="line.438"></a> +<span class="sourceLineNo">439</span> // algorithm to locate it.<a name="line.439"></a> +<span class="sourceLineNo">440</span> if (locateType.equals(RegionLocateType.AFTER)) {<a name="line.440"></a> +<span class="sourceLineNo">441</span> row = createClosestRowAfter(row);<a name="line.441"></a> +<span class="sourceLineNo">442</span> }<a name="line.442"></a> +<span class="sourceLineNo">443</span> return getRegionLocationInternal(tableName, row, RegionLocateType.CURRENT, reload);<a name="line.443"></a> +<span class="sourceLineNo">444</span> }<a name="line.444"></a> +<span class="sourceLineNo">445</span> }<a name="line.445"></a> +<span class="sourceLineNo">446</span><a name="line.446"></a> +<span class="sourceLineNo">447</span> void updateCachedLocation(HRegionLocation loc, Throwable exception) {<a name="line.447"></a> +<span class="sourceLineNo">448</span> AsyncRegionLocator.updateCachedLocation(loc, exception, l -> {<a name="line.448"></a> +<span class="sourceLineNo">449</span> TableCache tableCache = cache.get(l.getRegionInfo().getTable());<a name="line.449"></a> +<span class="sourceLineNo">450</span> if (tableCache == null) {<a name="line.450"></a> +<span class="sourceLineNo">451</span> return null;<a name="line.451"></a> +<span class="sourceLineNo">452</span> }<a name="line.452"></a> +<span class="sourceLineNo">453</span> return tableCache.cache.get(l.getRegionInfo().getStartKey());<a name="line.453"></a> +<span class="sourceLineNo">454</span> }, this::addToCache, this::removeFromCache);<a name="line.454"></a> +<span class="sourceLineNo">455</span> }<a name="line.455"></a> +<span class="sourceLineNo">456</span><a name="line.456"></a> +<span class="sourceLineNo">457</span> void clearCache(TableName tableName) {<a name="line.457"></a> +<span class="sourceLineNo">458</span> TableCache tableCache = cache.remove(tableName);<a name="line.458"></a> +<span class="sourceLineNo">459</span> if (tableCache == null) {<a name="line.459"></a> +<span class="sourceLineNo">460</span> return;<a name="line.460"></a> +<span class="sourceLineNo">461</span> }<a name="line.461"></a> +<span class="sourceLineNo">462</span> synchronized (tableCache) {<a name="line.462"></a> +<span class="sourceLineNo">463</span> if (!tableCache.allRequests.isEmpty()) {<a name="line.463"></a> +<span class="sourceLineNo">464</span> IOException error = new IOException("Cache cleared");<a name="line.464"></a> +<span class="sourceLineNo">465</span> tableCache.allRequests.values().forEach(f -> f.completeExceptionally(error));<a name="line.465"></a> +<span class="sourceLineNo">466</span> }<a name="line.466"></a> +<span class="sourceLineNo">467</span> }<a name="line.467"></a> +<span class="sourceLineNo">468</span> }<a name="line.468"></a> +<span class="sourceLineNo">469</span>}<a name="line.469"></a> http://git-wip-us.apache.org/repos/asf/hbase-site/blob/90c7dfe4/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 486ce04..13bde46 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 @@ -400,77 +400,81 @@ <span class="sourceLineNo">392</span> // placed before it. Used for reverse scan. See the comment of<a name="line.392"></a> <span class="sourceLineNo">393</span> // AsyncRegionLocator.getPreviousRegionLocation.<a name="line.393"></a> <span class="sourceLineNo">394</span> private CompletableFuture<HRegionLocation> getRegionLocationInternal(TableName tableName,<a name="line.394"></a> -<span class="sourceLineNo">395</span> byte[] row, RegionLocateType locateType) {<a name="line.395"></a> +<span class="sourceLineNo">395</span> byte[] row, RegionLocateType locateType, boolean reload) {<a name="line.395"></a> <span class="sourceLineNo">396</span> // AFTER should be convert to CURRENT before calling this method<a name="line.396"></a> <span class="sourceLineNo">397</span> assert !locateType.equals(RegionLocateType.AFTER);<a name="line.397"></a> <span class="sourceLineNo">398</span> TableCache tableCache = getTableCache(tableName);<a name="line.398"></a> -<span class="sourceLineNo">399</span> HRegionLocation loc = locateInCache(tableCache, tableName, row, locateType);<a name="line.399"></a> -<span class="sourceLineNo">400</span> if (loc != null) {<a name="line.400"></a> -<span class="sourceLineNo">401</span> return CompletableFuture.completedFuture(loc);<a name="line.401"></a> -<span class="sourceLineNo">402</span> }<a name="line.402"></a> -<span class="sourceLineNo">403</span> CompletableFuture<HRegionLocation> future;<a name="line.403"></a> -<span class="sourceLineNo">404</span> LocateRequest req;<a name="line.404"></a> -<span class="sourceLineNo">405</span> boolean sendRequest = false;<a name="line.405"></a> -<span class="sourceLineNo">406</span> synchronized (tableCache) {<a name="line.406"></a> -<span class="sourceLineNo">407</span> // check again<a name="line.407"></a> -<span class="sourceLineNo">408</span> loc = locateInCache(tableCache, tableName, row, locateType);<a name="line.408"></a> -<span class="sourceLineNo">409</span> if (loc != null) {<a name="line.409"></a> -<span class="sourceLineNo">410</span> return CompletableFuture.completedFuture(loc);<a name="line.410"></a> -<span class="sourceLineNo">411</span> }<a name="line.411"></a> -<span class="sourceLineNo">412</span> req = new LocateRequest(row, locateType);<a name="line.412"></a> -<span class="sourceLineNo">413</span> future = tableCache.allRequests.get(req);<a name="line.413"></a> -<span class="sourceLineNo">414</span> if (future == null) {<a name="line.414"></a> -<span class="sourceLineNo">415</span> future = new CompletableFuture<>();<a name="line.415"></a> -<span class="sourceLineNo">416</span> tableCache.allRequests.put(req, future);<a name="line.416"></a> -<span class="sourceLineNo">417</span> if (tableCache.hasQuota(maxConcurrentLocateRequestPerTable) && !tableCache.isPending(req)) {<a name="line.417"></a> -<span class="sourceLineNo">418</span> tableCache.send(req);<a name="line.418"></a> -<span class="sourceLineNo">419</span> sendRequest = true;<a name="line.419"></a> -<span class="sourceLineNo">420</span> }<a name="line.420"></a> -<span class="sourceLineNo">421</span> }<a name="line.421"></a> -<span class="sourceLineNo">422</span> }<a name="line.422"></a> -<span class="sourceLineNo">423</span> if (sendRequest) {<a name="line.423"></a> -<span class="sourceLineNo">424</span> locateInMeta(tableName, req);<a name="line.424"></a> -<span class="sourceLineNo">425</span> }<a name="line.425"></a> -<span class="sourceLineNo">426</span> return future;<a name="line.426"></a> -<span class="sourceLineNo">427</span> }<a name="line.427"></a> -<span class="sourceLineNo">428</span><a name="line.428"></a> -<span class="sourceLineNo">429</span> CompletableFuture<HRegionLocation> getRegionLocation(TableName tableName, byte[] row,<a name="line.429"></a> -<span class="sourceLineNo">430</span> RegionLocateType locateType) {<a name="line.430"></a> -<span class="sourceLineNo">431</span> if (locateType.equals(RegionLocateType.BEFORE)) {<a name="line.431"></a> -<span class="sourceLineNo">432</span> return getRegionLocationInternal(tableName, row, locateType);<a name="line.432"></a> -<span class="sourceLineNo">433</span> } else {<a name="line.433"></a> -<span class="sourceLineNo">434</span> // as we know the exact row after us, so we can just create the new row, and use the same<a name="line.434"></a> -<span class="sourceLineNo">435</span> // algorithm to locate it.<a name="line.435"></a> -<span class="sourceLineNo">436</span> if (locateType.equals(RegionLocateType.AFTER)) {<a name="line.436"></a> -<span class="sourceLineNo">437</span> row = createClosestRowAfter(row);<a name="line.437"></a> -<span class="sourceLineNo">438</span> }<a name="line.438"></a> -<span class="sourceLineNo">439</span> return getRegionLocationInternal(tableName, row, RegionLocateType.CURRENT);<a name="line.439"></a> -<span class="sourceLineNo">440</span> }<a name="line.440"></a> -<span class="sourceLineNo">441</span> }<a name="line.441"></a> -<span class="sourceLineNo">442</span><a name="line.442"></a> -<span class="sourceLineNo">443</span> void updateCachedLocation(HRegionLocation loc, Throwable exception) {<a name="line.443"></a> -<span class="sourceLineNo">444</span> AsyncRegionLocator.updateCachedLocation(loc, exception, l -> {<a name="line.444"></a> -<span class="sourceLineNo">445</span> TableCache tableCache = cache.get(l.getRegionInfo().getTable());<a name="line.445"></a> -<span class="sourceLineNo">446</span> if (tableCache == null) {<a name="line.446"></a> -<span class="sourceLineNo">447</span> return null;<a name="line.447"></a> -<span class="sourceLineNo">448</span> }<a name="line.448"></a> -<span class="sourceLineNo">449</span> return tableCache.cache.get(l.getRegionInfo().getStartKey());<a name="line.449"></a> -<span class="sourceLineNo">450</span> }, this::addToCache, this::removeFromCache);<a name="line.450"></a> -<span class="sourceLineNo">451</span> }<a name="line.451"></a> -<span class="sourceLineNo">452</span><a name="line.452"></a> -<span class="sourceLineNo">453</span> void clearCache(TableName tableName) {<a name="line.453"></a> -<span class="sourceLineNo">454</span> TableCache tableCache = cache.remove(tableName);<a name="line.454"></a> -<span class="sourceLineNo">455</span> if (tableCache == null) {<a name="line.455"></a> -<span class="sourceLineNo">456</span> return;<a name="line.456"></a> -<span class="sourceLineNo">457</span> }<a name="line.457"></a> -<span class="sourceLineNo">458</span> synchronized (tableCache) {<a name="line.458"></a> -<span class="sourceLineNo">459</span> if (!tableCache.allRequests.isEmpty()) {<a name="line.459"></a> -<span class="sourceLineNo">460</span> IOException error = new IOException("Cache cleared");<a name="line.460"></a> -<span class="sourceLineNo">461</span> tableCache.allRequests.values().forEach(f -> f.completeExceptionally(error));<a name="line.461"></a> -<span class="sourceLineNo">462</span> }<a name="line.462"></a> -<span class="sourceLineNo">463</span> }<a name="line.463"></a> -<span class="sourceLineNo">464</span> }<a name="line.464"></a> -<span class="sourceLineNo">465</span>}<a name="line.465"></a> +<span class="sourceLineNo">399</span> if (!reload) {<a name="line.399"></a> +<span class="sourceLineNo">400</span> HRegionLocation loc = locateInCache(tableCache, tableName, row, locateType);<a name="line.400"></a> +<span class="sourceLineNo">401</span> if (loc != null) {<a name="line.401"></a> +<span class="sourceLineNo">402</span> return CompletableFuture.completedFuture(loc);<a name="line.402"></a> +<span class="sourceLineNo">403</span> }<a name="line.403"></a> +<span class="sourceLineNo">404</span> }<a name="line.404"></a> +<span class="sourceLineNo">405</span> CompletableFuture<HRegionLocation> future;<a name="line.405"></a> +<span class="sourceLineNo">406</span> LocateRequest req;<a name="line.406"></a> +<span class="sourceLineNo">407</span> boolean sendRequest = false;<a name="line.407"></a> +<span class="sourceLineNo">408</span> synchronized (tableCache) {<a name="line.408"></a> +<span class="sourceLineNo">409</span> // check again<a name="line.409"></a> +<span class="sourceLineNo">410</span> if (!reload) {<a name="line.410"></a> +<span class="sourceLineNo">411</span> HRegionLocation loc = locateInCache(tableCache, tableName, row, locateType);<a name="line.411"></a> +<span class="sourceLineNo">412</span> if (loc != null) {<a name="line.412"></a> +<span class="sourceLineNo">413</span> return CompletableFuture.completedFuture(loc);<a name="line.413"></a> +<span class="sourceLineNo">414</span> }<a name="line.414"></a> +<span class="sourceLineNo">415</span> }<a name="line.415"></a> +<span class="sourceLineNo">416</span> req = new LocateRequest(row, locateType);<a name="line.416"></a> +<span class="sourceLineNo">417</span> future = tableCache.allRequests.get(req);<a name="line.417"></a> +<span class="sourceLineNo">418</span> if (future == null) {<a name="line.418"></a> +<span class="sourceLineNo">419</span> future = new CompletableFuture<>();<a name="line.419"></a> +<span class="sourceLineNo">420</span> tableCache.allRequests.put(req, future);<a name="line.420"></a> +<span class="sourceLineNo">421</span> if (tableCache.hasQuota(maxConcurrentLocateRequestPerTable) && !tableCache.isPending(req)) {<a name="line.421"></a> +<span class="sourceLineNo">422</span> tableCache.send(req);<a name="line.422"></a> +<span class="sourceLineNo">423</span> sendRequest = true;<a name="line.423"></a> +<span class="sourceLineNo">424</span> }<a name="line.424"></a> +<span class="sourceLineNo">425</span> }<a name="line.425"></a> +<span class="sourceLineNo">426</span> }<a name="line.426"></a> +<span class="sourceLineNo">427</span> if (sendRequest) {<a name="line.427"></a> +<span class="sourceLineNo">428</span> locateInMeta(tableName, req);<a name="line.428"></a> +<span class="sourceLineNo">429</span> }<a name="line.429"></a> +<span class="sourceLineNo">430</span> return future;<a name="line.430"></a> +<span class="sourceLineNo">431</span> }<a name="line.431"></a> +<span class="sourceLineNo">432</span><a name="line.432"></a> +<span class="sourceLineNo">433</span> CompletableFuture<HRegionLocation> getRegionLocation(TableName tableName, byte[] row,<a name="line.433"></a> +<span class="sourceLineNo">434</span> RegionLocateType locateType, boolean reload) {<a name="line.434"></a> +<span class="sourceLineNo">435</span> if (locateType.equals(RegionLocateType.BEFORE)) {<a name="line.435"></a> +<span class="sourceLineNo">436</span> return getRegionLocationInternal(tableName, row, locateType, reload);<a name="line.436"></a> +<span class="sourceLineNo">437</span> } else {<a name="line.437"></a> +<span class="sourceLineNo">438</span> // as we know the exact row after us, so we can just create the new row, and use the same<a name="line.438"></a> +<span class="sourceLineNo">439</span> // algorithm to locate it.<a name="line.439"></a> +<span class="sourceLineNo">440</span> if (locateType.equals(RegionLocateType.AFTER)) {<a name="line.440"></a> +<span class="sourceLineNo">441</span> row = createClosestRowAfter(row);<a name="line.441"></a> +<span class="sourceLineNo">442</span> }<a name="line.442"></a> +<span class="sourceLineNo">443</span> return getRegionLocationInternal(tableName, row, RegionLocateType.CURRENT, reload);<a name="line.443"></a> +<span class="sourceLineNo">444</span> }<a name="line.444"></a> +<span class="sourceLineNo">445</span> }<a name="line.445"></a> +<span class="sourceLineNo">446</span><a name="line.446"></a> +<span class="sourceLineNo">447</span> void updateCachedLocation(HRegionLocation loc, Throwable exception) {<a name="line.447"></a> +<span class="sourceLineNo">448</span> AsyncRegionLocator.updateCachedLocation(loc, exception, l -> {<a name="line.448"></a> +<span class="sourceLineNo">449</span> TableCache tableCache = cache.get(l.getRegionInfo().getTable());<a name="line.449"></a> +<span class="sourceLineNo">450</span> if (tableCache == null) {<a name="line.450"></a> +<span class="sourceLineNo">451</span> return null;<a name="line.451"></a> +<span class="sourceLineNo">452</span> }<a name="line.452"></a> +<span class="sourceLineNo">453</span> return tableCache.cache.get(l.getRegionInfo().getStartKey());<a name="line.453"></a> +<span class="sourceLineNo">454</span> }, this::addToCache, this::removeFromCache);<a name="line.454"></a> +<span class="sourceLineNo">455</span> }<a name="line.455"></a> +<span class="sourceLineNo">456</span><a name="line.456"></a> +<span class="sourceLineNo">457</span> void clearCache(TableName tableName) {<a name="line.457"></a> +<span class="sourceLineNo">458</span> TableCache tableCache = cache.remove(tableName);<a name="line.458"></a> +<span class="sourceLineNo">459</span> if (tableCache == null) {<a name="line.459"></a> +<span class="sourceLineNo">460</span> return;<a name="line.460"></a> +<span class="sourceLineNo">461</span> }<a name="line.461"></a> +<span class="sourceLineNo">462</span> synchronized (tableCache) {<a name="line.462"></a> +<span class="sourceLineNo">463</span> if (!tableCache.allRequests.isEmpty()) {<a name="line.463"></a> +<span class="sourceLineNo">464</span> IOException error = new IOException("Cache cleared");<a name="line.464"></a> +<span class="sourceLineNo">465</span> tableCache.allRequests.values().forEach(f -> f.completeExceptionally(error));<a name="line.465"></a> +<span class="sourceLineNo">466</span> }<a name="line.466"></a> +<span class="sourceLineNo">467</span> }<a name="line.467"></a> +<span class="sourceLineNo">468</span> }<a name="line.468"></a> +<span class="sourceLineNo">469</span>}<a name="line.469"></a> http://git-wip-us.apache.org/repos/asf/hbase-site/blob/90c7dfe4/devapidocs/src-html/org/apache/hadoop/hbase/client/AsyncNonMetaRegionLocator.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/client/AsyncNonMetaRegionLocator.html b/devapidocs/src-html/org/apache/hadoop/hbase/client/AsyncNonMetaRegionLocator.html index 486ce04..13bde46 100644 --- a/devapidocs/src-html/org/apache/hadoop/hbase/client/AsyncNonMetaRegionLocator.html +++ b/devapidocs/src-html/org/apache/hadoop/hbase/client/AsyncNonMetaRegionLocator.html @@ -400,77 +400,81 @@ <span class="sourceLineNo">392</span> // placed before it. Used for reverse scan. See the comment of<a name="line.392"></a> <span class="sourceLineNo">393</span> // AsyncRegionLocator.getPreviousRegionLocation.<a name="line.393"></a> <span class="sourceLineNo">394</span> private CompletableFuture<HRegionLocation> getRegionLocationInternal(TableName tableName,<a name="line.394"></a> -<span class="sourceLineNo">395</span> byte[] row, RegionLocateType locateType) {<a name="line.395"></a> +<span class="sourceLineNo">395</span> byte[] row, RegionLocateType locateType, boolean reload) {<a name="line.395"></a> <span class="sourceLineNo">396</span> // AFTER should be convert to CURRENT before calling this method<a name="line.396"></a> <span class="sourceLineNo">397</span> assert !locateType.equals(RegionLocateType.AFTER);<a name="line.397"></a> <span class="sourceLineNo">398</span> TableCache tableCache = getTableCache(tableName);<a name="line.398"></a> -<span class="sourceLineNo">399</span> HRegionLocation loc = locateInCache(tableCache, tableName, row, locateType);<a name="line.399"></a> -<span class="sourceLineNo">400</span> if (loc != null) {<a name="line.400"></a> -<span class="sourceLineNo">401</span> return CompletableFuture.completedFuture(loc);<a name="line.401"></a> -<span class="sourceLineNo">402</span> }<a name="line.402"></a> -<span class="sourceLineNo">403</span> CompletableFuture<HRegionLocation> future;<a name="line.403"></a> -<span class="sourceLineNo">404</span> LocateRequest req;<a name="line.404"></a> -<span class="sourceLineNo">405</span> boolean sendRequest = false;<a name="line.405"></a> -<span class="sourceLineNo">406</span> synchronized (tableCache) {<a name="line.406"></a> -<span class="sourceLineNo">407</span> // check again<a name="line.407"></a> -<span class="sourceLineNo">408</span> loc = locateInCache(tableCache, tableName, row, locateType);<a name="line.408"></a> -<span class="sourceLineNo">409</span> if (loc != null) {<a name="line.409"></a> -<span class="sourceLineNo">410</span> return CompletableFuture.completedFuture(loc);<a name="line.410"></a> -<span class="sourceLineNo">411</span> }<a name="line.411"></a> -<span class="sourceLineNo">412</span> req = new LocateRequest(row, locateType);<a name="line.412"></a> -<span class="sourceLineNo">413</span> future = tableCache.allRequests.get(req);<a name="line.413"></a> -<span class="sourceLineNo">414</span> if (future == null) {<a name="line.414"></a> -<span class="sourceLineNo">415</span> future = new CompletableFuture<>();<a name="line.415"></a> -<span class="sourceLineNo">416</span> tableCache.allRequests.put(req, future);<a name="line.416"></a> -<span class="sourceLineNo">417</span> if (tableCache.hasQuota(maxConcurrentLocateRequestPerTable) && !tableCache.isPending(req)) {<a name="line.417"></a> -<span class="sourceLineNo">418</span> tableCache.send(req);<a name="line.418"></a> -<span class="sourceLineNo">419</span> sendRequest = true;<a name="line.419"></a> -<span class="sourceLineNo">420</span> }<a name="line.420"></a> -<span class="sourceLineNo">421</span> }<a name="line.421"></a> -<span class="sourceLineNo">422</span> }<a name="line.422"></a> -<span class="sourceLineNo">423</span> if (sendRequest) {<a name="line.423"></a> -<span class="sourceLineNo">424</span> locateInMeta(tableName, req);<a name="line.424"></a> -<span class="sourceLineNo">425</span> }<a name="line.425"></a> -<span class="sourceLineNo">426</span> return future;<a name="line.426"></a> -<span class="sourceLineNo">427</span> }<a name="line.427"></a> -<span class="sourceLineNo">428</span><a name="line.428"></a> -<span class="sourceLineNo">429</span> CompletableFuture<HRegionLocation> getRegionLocation(TableName tableName, byte[] row,<a name="line.429"></a> -<span class="sourceLineNo">430</span> RegionLocateType locateType) {<a name="line.430"></a> -<span class="sourceLineNo">431</span> if (locateType.equals(RegionLocateType.BEFORE)) {<a name="line.431"></a> -<span class="sourceLineNo">432</span> return getRegionLocationInternal(tableName, row, locateType);<a name="line.432"></a> -<span class="sourceLineNo">433</span> } else {<a name="line.433"></a> -<span class="sourceLineNo">434</span> // as we know the exact row after us, so we can just create the new row, and use the same<a name="line.434"></a> -<span class="sourceLineNo">435</span> // algorithm to locate it.<a name="line.435"></a> -<span class="sourceLineNo">436</span> if (locateType.equals(RegionLocateType.AFTER)) {<a name="line.436"></a> -<span class="sourceLineNo">437</span> row = createClosestRowAfter(row);<a name="line.437"></a> -<span class="sourceLineNo">438</span> }<a name="line.438"></a> -<span class="sourceLineNo">439</span> return getRegionLocationInternal(tableName, row, RegionLocateType.CURRENT);<a name="line.439"></a> -<span class="sourceLineNo">440</span> }<a name="line.440"></a> -<span class="sourceLineNo">441</span> }<a name="line.441"></a> -<span class="sourceLineNo">442</span><a name="line.442"></a> -<span class="sourceLineNo">443</span> void updateCachedLocation(HRegionLocation loc, Throwable exception) {<a name="line.443"></a> -<span class="sourceLineNo">444</span> AsyncRegionLocator.updateCachedLocation(loc, exception, l -> {<a name="line.444"></a> -<span class="sourceLineNo">445</span> TableCache tableCache = cache.get(l.getRegionInfo().getTable());<a name="line.445"></a> -<span class="sourceLineNo">446</span> if (tableCache == null) {<a name="line.446"></a> -<span class="sourceLineNo">447</span> return null;<a name="line.447"></a> -<span class="sourceLineNo">448</span> }<a name="line.448"></a> -<span class="sourceLineNo">449</span> return tableCache.cache.get(l.getRegionInfo().getStartKey());<a name="line.449"></a> -<span class="sourceLineNo">450</span> }, this::addToCache, this::removeFromCache);<a name="line.450"></a> -<span class="sourceLineNo">451</span> }<a name="line.451"></a> -<span class="sourceLineNo">452</span><a name="line.452"></a> -<span class="sourceLineNo">453</span> void clearCache(TableName tableName) {<a name="line.453"></a> -<span class="sourceLineNo">454</span> TableCache tableCache = cache.remove(tableName);<a name="line.454"></a> -<span class="sourceLineNo">455</span> if (tableCache == null) {<a name="line.455"></a> -<span class="sourceLineNo">456</span> return;<a name="line.456"></a> -<span class="sourceLineNo">457</span> }<a name="line.457"></a> -<span class="sourceLineNo">458</span> synchronized (tableCache) {<a name="line.458"></a> -<span class="sourceLineNo">459</span> if (!tableCache.allRequests.isEmpty()) {<a name="line.459"></a> -<span class="sourceLineNo">460</span> IOException error = new IOException("Cache cleared");<a name="line.460"></a> -<span class="sourceLineNo">461</span> tableCache.allRequests.values().forEach(f -> f.completeExceptionally(error));<a name="line.461"></a> -<span class="sourceLineNo">462</span> }<a name="line.462"></a> -<span class="sourceLineNo">463</span> }<a name="line.463"></a> -<span class="sourceLineNo">464</span> }<a name="line.464"></a> -<span class="sourceLineNo">465</span>}<a name="line.465"></a> +<span class="sourceLineNo">399</span> if (!reload) {<a name="line.399"></a> +<span class="sourceLineNo">400</span> HRegionLocation loc = locateInCache(tableCache, tableName, row, locateType);<a name="line.400"></a> +<span class="sourceLineNo">401</span> if (loc != null) {<a name="line.401"></a> +<span class="sourceLineNo">402</span> return CompletableFuture.completedFuture(loc);<a name="line.402"></a> +<span class="sourceLineNo">403</span> }<a name="line.403"></a> +<span class="sourceLineNo">404</span> }<a name="line.404"></a> +<span class="sourceLineNo">405</span> CompletableFuture<HRegionLocation> future;<a name="line.405"></a> +<span class="sourceLineNo">406</span> LocateRequest req;<a name="line.406"></a> +<span class="sourceLineNo">407</span> boolean sendRequest = false;<a name="line.407"></a> +<span class="sourceLineNo">408</span> synchronized (tableCache) {<a name="line.408"></a> +<span class="sourceLineNo">409</span> // check again<a name="line.409"></a> +<span class="sourceLineNo">410</span> if (!reload) {<a name="line.410"></a> +<span class="sourceLineNo">411</span> HRegionLocation loc = locateInCache(tableCache, tableName, row, locateType);<a name="line.411"></a> +<span class="sourceLineNo">412</span> if (loc != null) {<a name="line.412"></a> +<span class="sourceLineNo">413</span> return CompletableFuture.completedFuture(loc);<a name="line.413"></a> +<span class="sourceLineNo">414</span> }<a name="line.414"></a> +<span class="sourceLineNo">415</span> }<a name="line.415"></a> +<span class="sourceLineNo">416</span> req = new LocateRequest(row, locateType);<a name="line.416"></a> +<span class="sourceLineNo">417</span> future = tableCache.allRequests.get(req);<a name="line.417"></a> +<span class="sourceLineNo">418</span> if (future == null) {<a name="line.418"></a> +<span class="sourceLineNo">419</span> future = new CompletableFuture<>();<a name="line.419"></a> +<span class="sourceLineNo">420</span> tableCache.allRequests.put(req, future);<a name="line.420"></a> +<span class="sourceLineNo">421</span> if (tableCache.hasQuota(maxConcurrentLocateRequestPerTable) && !tableCache.isPending(req)) {<a name="line.421"></a> +<span class="sourceLineNo">422</span> tableCache.send(req);<a name="line.422"></a> +<span class="sourceLineNo">423</span> sendRequest = true;<a name="line.423"></a> +<span class="sourceLineNo">424</span> }<a name="line.424"></a> +<span class="sourceLineNo">425</span> }<a name="line.425"></a> +<span class="sourceLineNo">426</span> }<a name="line.426"></a> +<span class="sourceLineNo">427</span> if (sendRequest) {<a name="line.427"></a> +<span class="sourceLineNo">428</span> locateInMeta(tableName, req);<a name="line.428"></a> +<span class="sourceLineNo">429</span> }<a name="line.429"></a> +<span class="sourceLineNo">430</span> return future;<a name="line.430"></a> +<span class="sourceLineNo">431</span> }<a name="line.431"></a> +<span class="sourceLineNo">432</span><a name="line.432"></a> +<span class="sourceLineNo">433</span> CompletableFuture<HRegionLocation> getRegionLocation(TableName tableName, byte[] row,<a name="line.433"></a> +<span class="sourceLineNo">434</span> RegionLocateType locateType, boolean reload) {<a name="line.434"></a> +<span class="sourceLineNo">435</span> if (locateType.equals(RegionLocateType.BEFORE)) {<a name="line.435"></a> +<span class="sourceLineNo">436</span> return getRegionLocationInternal(tableName, row, locateType, reload);<a name="line.436"></a> +<span class="sourceLineNo">437</span> } else {<a name="line.437"></a> +<span class="sourceLineNo">438</span> // as we know the exact row after us, so we can just create the new row, and use the same<a name="line.438"></a> +<span class="sourceLineNo">439</span> // algorithm to locate it.<a name="line.439"></a> +<span class="sourceLineNo">440</span> if (locateType.equals(RegionLocateType.AFTER)) {<a name="line.440"></a> +<span class="sourceLineNo">441</span> row = createClosestRowAfter(row);<a name="line.441"></a> +<span class="sourceLineNo">442</span> }<a name="line.442"></a> +<span class="sourceLineNo">443</span> return getRegionLocationInternal(tableName, row, RegionLocateType.CURRENT, reload);<a name="line.443"></a> +<span class="sourceLineNo">444</span> }<a name="line.444"></a> +<span class="sourceLineNo">445</span> }<a name="line.445"></a> +<span class="sourceLineNo">446</span><a name="line.446"></a> +<span class="sourceLineNo">447</span> void updateCachedLocation(HRegionLocation loc, Throwable exception) {<a name="line.447"></a> +<span class="sourceLineNo">448</span> AsyncRegionLocator.updateCachedLocation(loc, exception, l -> {<a name="line.448"></a> +<span class="sourceLineNo">449</span> TableCache tableCache = cache.get(l.getRegionInfo().getTable());<a name="line.449"></a> +<span class="sourceLineNo">450</span> if (tableCache == null) {<a name="line.450"></a> +<span class="sourceLineNo">451</span> return null;<a name="line.451"></a> +<span class="sourceLineNo">452</span> }<a name="line.452"></a> +<span class="sourceLineNo">453</span> return tableCache.cache.get(l.getRegionInfo().getStartKey());<a name="line.453"></a> +<span class="sourceLineNo">454</span> }, this::addToCache, this::removeFromCache);<a name="line.454"></a> +<span class="sourceLineNo">455</span> }<a name="line.455"></a> +<span class="sourceLineNo">456</span><a name="line.456"></a> +<span class="sourceLineNo">457</span> void clearCache(TableName tableName) {<a name="line.457"></a> +<span class="sourceLineNo">458</span> TableCache tableCache = cache.remove(tableName);<a name="line.458"></a> +<span class="sourceLineNo">459</span> if (tableCache == null) {<a name="line.459"></a> +<span class="sourceLineNo">460</span> return;<a name="line.460"></a> +<span class="sourceLineNo">461</span> }<a name="line.461"></a> +<span class="sourceLineNo">462</span> synchronized (tableCache) {<a name="line.462"></a> +<span class="sourceLineNo">463</span> if (!tableCache.allRequests.isEmpty()) {<a name="line.463"></a> +<span class="sourceLineNo">464</span> IOException error = new IOException("Cache cleared");<a name="line.464"></a> +<span class="sourceLineNo">465</span> tableCache.allRequests.values().forEach(f -> f.completeExceptionally(error));<a name="line.465"></a> +<span class="sourceLineNo">466</span> }<a name="line.466"></a> +<span class="sourceLineNo">467</span> }<a name="line.467"></a> +<span class="sourceLineNo">468</span> }<a name="line.468"></a> +<span class="sourceLineNo">469</span>}<a name="line.469"></a> http://git-wip-us.apache.org/repos/asf/hbase-site/blob/90c7dfe4/devapidocs/src-html/org/apache/hadoop/hbase/client/AsyncRegionLocator.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/client/AsyncRegionLocator.html b/devapidocs/src-html/org/apache/hadoop/hbase/client/AsyncRegionLocator.html index 153fe48..fa0c9e1 100644 --- a/devapidocs/src-html/org/apache/hadoop/hbase/client/AsyncRegionLocator.html +++ b/devapidocs/src-html/org/apache/hadoop/hbase/client/AsyncRegionLocator.html @@ -87,82 +87,87 @@ <span class="sourceLineNo">079</span> }<a name="line.79"></a> <span class="sourceLineNo">080</span><a name="line.80"></a> <span class="sourceLineNo">081</span> CompletableFuture<HRegionLocation> getRegionLocation(TableName tableName, byte[] row,<a name="line.81"></a> -<span class="sourceLineNo">082</span> RegionLocateType type, long timeoutNs) {<a name="line.82"></a> +<span class="sourceLineNo">082</span> RegionLocateType type, boolean reload, long timeoutNs) {<a name="line.82"></a> <span class="sourceLineNo">083</span> // meta region can not be split right now so we always call the same method.<a name="line.83"></a> <span class="sourceLineNo">084</span> // Change it later if the meta table can have more than one regions.<a name="line.84"></a> <span class="sourceLineNo">085</span> CompletableFuture<HRegionLocation> future =<a name="line.85"></a> -<span class="sourceLineNo">086</span> tableName.equals(META_TABLE_NAME) ? metaRegionLocator.getRegionLocation()<a name="line.86"></a> -<span class="sourceLineNo">087</span> : nonMetaRegionLocator.getRegionLocation(tableName, row, type);<a name="line.87"></a> +<span class="sourceLineNo">086</span> tableName.equals(META_TABLE_NAME) ? metaRegionLocator.getRegionLocation(reload)<a name="line.86"></a> +<span class="sourceLineNo">087</span> : nonMetaRegionLocator.getRegionLocation(tableName, row, type, reload);<a name="line.87"></a> <span class="sourceLineNo">088</span> return withTimeout(future, timeoutNs,<a name="line.88"></a> -<span class="sourceLineNo">089</span> () -> "Timeout(" + TimeUnit.NANOSECONDS.toMillis(timeoutNs)<a name="line.89"></a> -<span class="sourceLineNo">090</span> + "ms) waiting for region location for " + tableName + ", row='"<a name="line.90"></a> -<span class="sourceLineNo">091</span> + Bytes.toStringBinary(row) + "'");<a name="line.91"></a> +<span class="sourceLineNo">089</span> () -> "Timeout(" + TimeUnit.NANOSECONDS.toMillis(timeoutNs) +<a name="line.89"></a> +<span class="sourceLineNo">090</span> "ms) waiting for region location for " + tableName + ", row='" +<a name="line.90"></a> +<span class="sourceLineNo">091</span> Bytes.toStringBinary(row) + "'");<a name="line.91"></a> <span class="sourceLineNo">092</span> }<a name="line.92"></a> <span class="sourceLineNo">093</span><a name="line.93"></a> -<span class="sourceLineNo">094</span> static boolean canUpdate(HRegionLocation loc, HRegionLocation oldLoc) {<a name="line.94"></a> -<span class="sourceLineNo">095</span> // Do not need to update if no such location, or the location is newer, or the location is not<a name="line.95"></a> -<span class="sourceLineNo">096</span> // same with us<a name="line.96"></a> -<span class="sourceLineNo">097</span> return oldLoc != null && oldLoc.getSeqNum() <= loc.getSeqNum()<a name="line.97"></a> -<span class="sourceLineNo">098</span> && oldLoc.getServerName().equals(loc.getServerName());<a name="line.98"></a> -<span class="sourceLineNo">099</span> }<a name="line.99"></a> -<span class="sourceLineNo">100</span><a name="line.100"></a> -<span class="sourceLineNo">101</span> static void updateCachedLocation(HRegionLocation loc, Throwable exception,<a name="line.101"></a> -<span class="sourceLineNo">102</span> Function<HRegionLocation, HRegionLocation> cachedLocationSupplier,<a name="line.102"></a> -<span class="sourceLineNo">103</span> Consumer<HRegionLocation> addToCache, Consumer<HRegionLocation> removeFromCache) {<a name="line.103"></a> -<span class="sourceLineNo">104</span> HRegionLocation oldLoc = cachedLocationSupplier.apply(loc);<a name="line.104"></a> -<span class="sourceLineNo">105</span> if (LOG.isDebugEnabled()) {<a name="line.105"></a> -<span class="sourceLineNo">106</span> LOG.debug("Try updating " + loc + ", the old value is " + oldLoc, exception);<a name="line.106"></a> -<span class="sourceLineNo">107</span> }<a name="line.107"></a> -<span class="sourceLineNo">108</span> if (!canUpdate(loc, oldLoc)) {<a name="line.108"></a> -<span class="sourceLineNo">109</span> return;<a name="line.109"></a> -<span class="sourceLineNo">110</span> }<a name="line.110"></a> -<span class="sourceLineNo">111</span> Throwable cause = findException(exception);<a name="line.111"></a> -<span class="sourceLineNo">112</span> if (LOG.isDebugEnabled()) {<a name="line.112"></a> -<span class="sourceLineNo">113</span> LOG.debug("The actual exception when updating " + loc, cause);<a name="line.113"></a> -<span class="sourceLineNo">114</span> }<a name="line.114"></a> -<span class="sourceLineNo">115</span> if (cause == null || !isMetaClearingException(cause)) {<a name="line.115"></a> -<span class="sourceLineNo">116</span> if (LOG.isDebugEnabled()) {<a name="line.116"></a> -<span class="sourceLineNo">117</span> LOG.debug(<a name="line.117"></a> -<span class="sourceLineNo">118</span> "Will not update " + loc + " because the exception is null or not the one we care about");<a name="line.118"></a> -<span class="sourceLineNo">119</span> }<a name="line.119"></a> -<span class="sourceLineNo">120</span> return;<a name="line.120"></a> -<span class="sourceLineNo">121</span> }<a name="line.121"></a> -<span class="sourceLineNo">122</span> if (cause instanceof RegionMovedException) {<a name="line.122"></a> -<span class="sourceLineNo">123</span> RegionMovedException rme = (RegionMovedException) cause;<a name="line.123"></a> -<span class="sourceLineNo">124</span> HRegionLocation newLoc =<a name="line.124"></a> -<span class="sourceLineNo">125</span> new HRegionLocation(loc.getRegionInfo(), rme.getServerName(), rme.getLocationSeqNum());<a name="line.125"></a> -<span class="sourceLineNo">126</span> if (LOG.isDebugEnabled()) {<a name="line.126"></a> -<span class="sourceLineNo">127</span> LOG.debug(<a name="line.127"></a> -<span class="sourceLineNo">128</span> "Try updating " + loc + " with the new location " + newLoc + " constructed by " + rme);<a name="line.128"></a> -<span class="sourceLineNo">129</span> }<a name="line.129"></a> -<span class="sourceLineNo">130</span> addToCache.accept(newLoc);<a name="line.130"></a> -<span class="sourceLineNo">131</span> } else {<a name="line.131"></a> -<span class="sourceLineNo">132</span> if (LOG.isDebugEnabled()) {<a name="line.132"></a> -<span class="sourceLineNo">133</span> LOG.debug("Try removing " + loc + " from cache");<a name="line.133"></a> +<span class="sourceLineNo">094</span> CompletableFuture<HRegionLocation> getRegionLocation(TableName tableName, byte[] row,<a name="line.94"></a> +<span class="sourceLineNo">095</span> RegionLocateType type, long timeoutNs) {<a name="line.95"></a> +<span class="sourceLineNo">096</span> return getRegionLocation(tableName, row, type, false, timeoutNs);<a name="line.96"></a> +<span class="sourceLineNo">097</span> }<a name="line.97"></a> +<span class="sourceLineNo">098</span><a name="line.98"></a> +<span class="sourceLineNo">099</span> static boolean canUpdate(HRegionLocation loc, HRegionLocation oldLoc) {<a name="line.99"></a> +<span class="sourceLineNo">100</span> // Do not need to update if no such location, or the location is newer, or the location is not<a name="line.100"></a> +<span class="sourceLineNo">101</span> // same with us<a name="line.101"></a> +<span class="sourceLineNo">102</span> return oldLoc != null && oldLoc.getSeqNum() <= loc.getSeqNum() &&<a name="line.102"></a> +<span class="sourceLineNo">103</span> oldLoc.getServerName().equals(loc.getServerName());<a name="line.103"></a> +<span class="sourceLineNo">104</span> }<a name="line.104"></a> +<span class="sourceLineNo">105</span><a name="line.105"></a> +<span class="sourceLineNo">106</span> static void updateCachedLocation(HRegionLocation loc, Throwable exception,<a name="line.106"></a> +<span class="sourceLineNo">107</span> Function<HRegionLocation, HRegionLocation> cachedLocationSupplier,<a name="line.107"></a> +<span class="sourceLineNo">108</span> Consumer<HRegionLocation> addToCache, Consumer<HRegionLocation> removeFromCache) {<a name="line.108"></a> +<span class="sourceLineNo">109</span> HRegionLocation oldLoc = cachedLocationSupplier.apply(loc);<a name="line.109"></a> +<span class="sourceLineNo">110</span> if (LOG.isDebugEnabled()) {<a name="line.110"></a> +<span class="sourceLineNo">111</span> LOG.debug("Try updating " + loc + ", the old value is " + oldLoc, exception);<a name="line.111"></a> +<span class="sourceLineNo">112</span> }<a name="line.112"></a> +<span class="sourceLineNo">113</span> if (!canUpdate(loc, oldLoc)) {<a name="line.113"></a> +<span class="sourceLineNo">114</span> return;<a name="line.114"></a> +<span class="sourceLineNo">115</span> }<a name="line.115"></a> +<span class="sourceLineNo">116</span> Throwable cause = findException(exception);<a name="line.116"></a> +<span class="sourceLineNo">117</span> if (LOG.isDebugEnabled()) {<a name="line.117"></a> +<span class="sourceLineNo">118</span> LOG.debug("The actual exception when updating " + loc, cause);<a name="line.118"></a> +<span class="sourceLineNo">119</span> }<a name="line.119"></a> +<span class="sourceLineNo">120</span> if (cause == null || !isMetaClearingException(cause)) {<a name="line.120"></a> +<span class="sourceLineNo">121</span> if (LOG.isDebugEnabled()) {<a name="line.121"></a> +<span class="sourceLineNo">122</span> LOG.debug(<a name="line.122"></a> +<span class="sourceLineNo">123</span> "Will not update " + loc + " because the exception is null or not the one we care about");<a name="line.123"></a> +<span class="sourceLineNo">124</span> }<a name="line.124"></a> +<span class="sourceLineNo">125</span> return;<a name="line.125"></a> +<span class="sourceLineNo">126</span> }<a name="line.126"></a> +<span class="sourceLineNo">127</span> if (cause instanceof RegionMovedException) {<a name="line.127"></a> +<span class="sourceLineNo">128</span> RegionMovedException rme = (RegionMovedException) cause;<a name="line.128"></a> +<span class="sourceLineNo">129</span> HRegionLocation newLoc =<a name="line.129"></a> +<span class="sourceLineNo">130</span> new HRegionLocation(loc.getRegionInfo(), rme.getServerName(), rme.getLocationSeqNum());<a name="line.130"></a> +<span class="sourceLineNo">131</span> if (LOG.isDebugEnabled()) {<a name="line.131"></a> +<span class="sourceLineNo">132</span> LOG.debug(<a name="line.132"></a> +<span class="sourceLineNo">133</span> "Try updating " + loc + " with the new location " + newLoc + " constructed by " + rme);<a name="line.133"></a> <span class="sourceLineNo">134</span> }<a name="line.134"></a> -<span class="sourceLineNo">135</span> removeFromCache.accept(loc);<a name="line.135"></a> -<span class="sourceLineNo">136</span> }<a name="line.136"></a> -<span class="sourceLineNo">137</span> }<a name="line.137"></a> -<span class="sourceLineNo">138</span><a name="line.138"></a> -<span class="sourceLineNo">139</span> void updateCachedLocation(HRegionLocation loc, Throwable exception) {<a name="line.139"></a> -<span class="sourceLineNo">140</span> if (loc.getRegionInfo().isMetaTable()) {<a name="line.140"></a> -<span class="sourceLineNo">141</span> metaRegionLocator.updateCachedLocation(loc, exception);<a name="line.141"></a> -<span class="sourceLineNo">142</span> } else {<a name="line.142"></a> -<span class="sourceLineNo">143</span> nonMetaRegionLocator.updateCachedLocation(loc, exception);<a name="line.143"></a> -<span class="sourceLineNo">144</span> }<a name="line.144"></a> -<span class="sourceLineNo">145</span> }<a name="line.145"></a> -<span class="sourceLineNo">146</span><a name="line.146"></a> -<span class="sourceLineNo">147</span> void clearCache(TableName tableName) {<a name="line.147"></a> -<span class="sourceLineNo">148</span> if (LOG.isDebugEnabled()) {<a name="line.148"></a> -<span class="sourceLineNo">149</span> LOG.debug("Clear meta cache for " + tableName);<a name="line.149"></a> -<span class="sourceLineNo">150</span> }<a name="line.150"></a> -<span class="sourceLineNo">151</span> if (tableName.equals(META_TABLE_NAME)) {<a name="line.151"></a> -<span class="sourceLineNo">152</span> metaRegionLocator.clearCache();<a name="line.152"></a> -<span class="sourceLineNo">153</span> } else {<a name="line.153"></a> -<span class="sourceLineNo">154</span> nonMetaRegionLocator.clearCache(tableName);<a name="line.154"></a> +<span class="sourceLineNo">135</span> addToCache.accept(newLoc);<a name="line.135"></a> +<span class="sourceLineNo">136</span> } else {<a name="line.136"></a> +<span class="sourceLineNo">137</span> if (LOG.isDebugEnabled()) {<a name="line.137"></a> +<span class="sourceLineNo">138</span> LOG.debug("Try removing " + loc + " from cache");<a name="line.138"></a> +<span class="sourceLineNo">139</span> }<a name="line.139"></a> +<span class="sourceLineNo">140</span> removeFromCache.accept(loc);<a name="line.140"></a> +<span class="sourceLineNo">141</span> }<a name="line.141"></a> +<span class="sourceLineNo">142</span> }<a name="line.142"></a> +<span class="sourceLineNo">143</span><a name="line.143"></a> +<span class="sourceLineNo">144</span> void updateCachedLocation(HRegionLocation loc, Throwable exception) {<a name="line.144"></a> +<span class="sourceLineNo">145</span> if (loc.getRegionInfo().isMetaTable()) {<a name="line.145"></a> +<span class="sourceLineNo">146</span> metaRegionLocator.updateCachedLocation(loc, exception);<a name="line.146"></a> +<span class="sourceLineNo">147</span> } else {<a name="line.147"></a> +<span class="sourceLineNo">148</span> nonMetaRegionLocator.updateCachedLocation(loc, exception);<a name="line.148"></a> +<span class="sourceLineNo">149</span> }<a name="line.149"></a> +<span class="sourceLineNo">150</span> }<a name="line.150"></a> +<span class="sourceLineNo">151</span><a name="line.151"></a> +<span class="sourceLineNo">152</span> void clearCache(TableName tableName) {<a name="line.152"></a> +<span class="sourceLineNo">153</span> if (LOG.isDebugEnabled()) {<a name="line.153"></a> +<span class="sourceLineNo">154</span> LOG.debug("Clear meta cache for " + tableName);<a name="line.154"></a> <span class="sourceLineNo">155</span> }<a name="line.155"></a> -<span class="sourceLineNo">156</span> }<a name="line.156"></a> -<span class="sourceLineNo">157</span>}<a name="line.157"></a> +<span class="sourceLineNo">156</span> if (tableName.equals(META_TABLE_NAME)) {<a name="line.156"></a> +<span class="sourceLineNo">157</span> metaRegionLocator.clearCache();<a name="line.157"></a> +<span class="sourceLineNo">158</span> } else {<a name="line.158"></a> +<span class="sourceLineNo">159</span> nonMetaRegionLocator.clearCache(tableName);<a name="line.159"></a> +<span class="sourceLineNo">160</span> }<a name="line.160"></a> +<span class="sourceLineNo">161</span> }<a name="line.161"></a> +<span class="sourceLineNo">162</span>}<a name="line.162"></a> http://git-wip-us.apache.org/repos/asf/hbase-site/blob/90c7dfe4/devapidocs/src-html/org/apache/hadoop/hbase/client/AsyncTableRegionLocatorImpl.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/client/AsyncTableRegionLocatorImpl.html b/devapidocs/src-html/org/apache/hadoop/hbase/client/AsyncTableRegionLocatorImpl.html index 8da4327..1c212eb 100644 --- a/devapidocs/src-html/org/apache/hadoop/hbase/client/AsyncTableRegionLocatorImpl.html +++ b/devapidocs/src-html/org/apache/hadoop/hbase/client/AsyncTableRegionLocatorImpl.html @@ -53,7 +53,7 @@ <span class="sourceLineNo">045</span><a name="line.45"></a> <span class="sourceLineNo">046</span> @Override<a name="line.46"></a> <span class="sourceLineNo">047</span> public CompletableFuture<HRegionLocation> getRegionLocation(byte[] row, boolean reload) {<a name="line.47"></a> -<span class="sourceLineNo">048</span> return locator.getRegionLocation(tableName, row, RegionLocateType.CURRENT, -1L);<a name="line.48"></a> +<span class="sourceLineNo">048</span> return locator.getRegionLocation(tableName, row, RegionLocateType.CURRENT, reload, -1L);<a name="line.48"></a> <span class="sourceLineNo">049</span> }<a name="line.49"></a> <span class="sourceLineNo">050</span>}<a name="line.50"></a>
