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| <pre><span class="sourceLineNo">001</span>/**<a name="line.1"></a> |
| <span class="sourceLineNo">002</span> * Licensed to the Apache Software Foundation (ASF) under one<a name="line.2"></a> |
| <span class="sourceLineNo">003</span> * or more contributor license agreements. See the NOTICE file<a name="line.3"></a> |
| <span class="sourceLineNo">004</span> * distributed with this work for additional information<a name="line.4"></a> |
| <span class="sourceLineNo">005</span> * regarding copyright ownership. The ASF licenses this file<a name="line.5"></a> |
| <span class="sourceLineNo">006</span> * to you under the Apache License, Version 2.0 (the<a name="line.6"></a> |
| <span class="sourceLineNo">007</span> * "License"); you may not use this file except in compliance<a name="line.7"></a> |
| <span class="sourceLineNo">008</span> * with the License. You may obtain a copy of the License at<a name="line.8"></a> |
| <span class="sourceLineNo">009</span> *<a name="line.9"></a> |
| <span class="sourceLineNo">010</span> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.10"></a> |
| <span class="sourceLineNo">011</span> *<a name="line.11"></a> |
| <span class="sourceLineNo">012</span> * Unless required by applicable law or agreed to in writing, software<a name="line.12"></a> |
| <span class="sourceLineNo">013</span> * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.13"></a> |
| <span class="sourceLineNo">014</span> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.14"></a> |
| <span class="sourceLineNo">015</span> * See the License for the specific language governing permissions and<a name="line.15"></a> |
| <span class="sourceLineNo">016</span> * limitations under the License.<a name="line.16"></a> |
| <span class="sourceLineNo">017</span> */<a name="line.17"></a> |
| <span class="sourceLineNo">018</span>package org.apache.hadoop.hbase.regionserver;<a name="line.18"></a> |
| <span class="sourceLineNo">019</span><a name="line.19"></a> |
| <span class="sourceLineNo">020</span>import java.io.IOException;<a name="line.20"></a> |
| <span class="sourceLineNo">021</span>import java.util.ArrayList;<a name="line.21"></a> |
| <span class="sourceLineNo">022</span>import java.util.List;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span><a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import org.apache.hadoop.conf.Configuration;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import org.apache.hadoop.fs.Path;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import org.apache.hadoop.hbase.CellComparator;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import org.apache.hadoop.hbase.HBaseInterfaceAudience;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import org.apache.hadoop.hbase.regionserver.compactions.CompactionRequestImpl;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import org.slf4j.Logger;<a name="line.30"></a> |
| <span class="sourceLineNo">031</span>import org.slf4j.LoggerFactory;<a name="line.31"></a> |
| <span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.regionserver.compactions.CompactionContext;<a name="line.32"></a> |
| <span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.regionserver.compactions.StripeCompactionPolicy;<a name="line.33"></a> |
| <span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.regionserver.compactions.StripeCompactor;<a name="line.34"></a> |
| <span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.regionserver.throttle.ThroughputController;<a name="line.35"></a> |
| <span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.security.User;<a name="line.36"></a> |
| <span class="sourceLineNo">037</span><a name="line.37"></a> |
| <span class="sourceLineNo">038</span>import org.apache.hbase.thirdparty.com.google.common.base.Preconditions;<a name="line.38"></a> |
| <span class="sourceLineNo">039</span><a name="line.39"></a> |
| <span class="sourceLineNo">040</span>/**<a name="line.40"></a> |
| <span class="sourceLineNo">041</span> * The storage engine that implements the stripe-based store/compaction scheme.<a name="line.41"></a> |
| <span class="sourceLineNo">042</span> */<a name="line.42"></a> |
| <span class="sourceLineNo">043</span>@InterfaceAudience.LimitedPrivate(HBaseInterfaceAudience.CONFIG)<a name="line.43"></a> |
| <span class="sourceLineNo">044</span>public class StripeStoreEngine extends StoreEngine<StripeStoreFlusher,<a name="line.44"></a> |
| <span class="sourceLineNo">045</span> StripeCompactionPolicy, StripeCompactor, StripeStoreFileManager> {<a name="line.45"></a> |
| <span class="sourceLineNo">046</span> private static final Logger LOG = LoggerFactory.getLogger(StripeStoreEngine.class);<a name="line.46"></a> |
| <span class="sourceLineNo">047</span> private StripeStoreConfig config;<a name="line.47"></a> |
| <span class="sourceLineNo">048</span><a name="line.48"></a> |
| <span class="sourceLineNo">049</span> @Override<a name="line.49"></a> |
| <span class="sourceLineNo">050</span> public boolean needsCompaction(List<HStoreFile> filesCompacting) {<a name="line.50"></a> |
| <span class="sourceLineNo">051</span> return this.compactionPolicy.needsCompactions(this.storeFileManager, filesCompacting);<a name="line.51"></a> |
| <span class="sourceLineNo">052</span> }<a name="line.52"></a> |
| <span class="sourceLineNo">053</span><a name="line.53"></a> |
| <span class="sourceLineNo">054</span> @Override<a name="line.54"></a> |
| <span class="sourceLineNo">055</span> public CompactionContext createCompaction() {<a name="line.55"></a> |
| <span class="sourceLineNo">056</span> return new StripeCompaction();<a name="line.56"></a> |
| <span class="sourceLineNo">057</span> }<a name="line.57"></a> |
| <span class="sourceLineNo">058</span><a name="line.58"></a> |
| <span class="sourceLineNo">059</span> @Override<a name="line.59"></a> |
| <span class="sourceLineNo">060</span> protected void createComponents(<a name="line.60"></a> |
| <span class="sourceLineNo">061</span> Configuration conf, HStore store, CellComparator comparator) throws IOException {<a name="line.61"></a> |
| <span class="sourceLineNo">062</span> this.config = new StripeStoreConfig(conf, store);<a name="line.62"></a> |
| <span class="sourceLineNo">063</span> this.compactionPolicy = new StripeCompactionPolicy(conf, store, config);<a name="line.63"></a> |
| <span class="sourceLineNo">064</span> this.storeFileManager = new StripeStoreFileManager(comparator, conf, this.config);<a name="line.64"></a> |
| <span class="sourceLineNo">065</span> this.storeFlusher = new StripeStoreFlusher(<a name="line.65"></a> |
| <span class="sourceLineNo">066</span> conf, store, this.compactionPolicy, this.storeFileManager);<a name="line.66"></a> |
| <span class="sourceLineNo">067</span> this.compactor = new StripeCompactor(conf, store);<a name="line.67"></a> |
| <span class="sourceLineNo">068</span> }<a name="line.68"></a> |
| <span class="sourceLineNo">069</span><a name="line.69"></a> |
| <span class="sourceLineNo">070</span> /**<a name="line.70"></a> |
| <span class="sourceLineNo">071</span> * Represents one instance of stripe compaction, with the necessary context and flow.<a name="line.71"></a> |
| <span class="sourceLineNo">072</span> */<a name="line.72"></a> |
| <span class="sourceLineNo">073</span> private class StripeCompaction extends CompactionContext {<a name="line.73"></a> |
| <span class="sourceLineNo">074</span> private StripeCompactionPolicy.StripeCompactionRequest stripeRequest = null;<a name="line.74"></a> |
| <span class="sourceLineNo">075</span><a name="line.75"></a> |
| <span class="sourceLineNo">076</span> @Override<a name="line.76"></a> |
| <span class="sourceLineNo">077</span> public List<HStoreFile> preSelect(List<HStoreFile> filesCompacting) {<a name="line.77"></a> |
| <span class="sourceLineNo">078</span> return compactionPolicy.preSelectFilesForCoprocessor(storeFileManager, filesCompacting);<a name="line.78"></a> |
| <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> @Override<a name="line.81"></a> |
| <span class="sourceLineNo">082</span> public boolean select(List<HStoreFile> filesCompacting, boolean isUserCompaction,<a name="line.82"></a> |
| <span class="sourceLineNo">083</span> boolean mayUseOffPeak, boolean forceMajor) throws IOException {<a name="line.83"></a> |
| <span class="sourceLineNo">084</span> this.stripeRequest = compactionPolicy.selectCompaction(<a name="line.84"></a> |
| <span class="sourceLineNo">085</span> storeFileManager, filesCompacting, mayUseOffPeak);<a name="line.85"></a> |
| <span class="sourceLineNo">086</span> this.request = (this.stripeRequest == null)<a name="line.86"></a> |
| <span class="sourceLineNo">087</span> ? new CompactionRequestImpl(new ArrayList<>()) : this.stripeRequest.getRequest();<a name="line.87"></a> |
| <span class="sourceLineNo">088</span> return this.stripeRequest != null;<a name="line.88"></a> |
| <span class="sourceLineNo">089</span> }<a name="line.89"></a> |
| <span class="sourceLineNo">090</span><a name="line.90"></a> |
| <span class="sourceLineNo">091</span> @Override<a name="line.91"></a> |
| <span class="sourceLineNo">092</span> public void forceSelect(CompactionRequestImpl request) {<a name="line.92"></a> |
| <span class="sourceLineNo">093</span> super.forceSelect(request);<a name="line.93"></a> |
| <span class="sourceLineNo">094</span> if (this.stripeRequest != null) {<a name="line.94"></a> |
| <span class="sourceLineNo">095</span> this.stripeRequest.setRequest(this.request);<a name="line.95"></a> |
| <span class="sourceLineNo">096</span> } else {<a name="line.96"></a> |
| <span class="sourceLineNo">097</span> LOG.warn("Stripe store is forced to take an arbitrary file list and compact it.");<a name="line.97"></a> |
| <span class="sourceLineNo">098</span> this.stripeRequest = compactionPolicy.createEmptyRequest(storeFileManager, this.request);<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><a name="line.101"></a> |
| <span class="sourceLineNo">102</span> @Override<a name="line.102"></a> |
| <span class="sourceLineNo">103</span> public List<Path> compact(ThroughputController throughputController, User user)<a name="line.103"></a> |
| <span class="sourceLineNo">104</span> throws IOException {<a name="line.104"></a> |
| <span class="sourceLineNo">105</span> Preconditions.checkArgument(this.stripeRequest != null, "Cannot compact without selection");<a name="line.105"></a> |
| <span class="sourceLineNo">106</span> return this.stripeRequest.execute(compactor, throughputController, user);<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>}<a name="line.109"></a> |
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