http://git-wip-us.apache.org/repos/asf/hbase-site/blob/c9d35424/devapidocs/src-html/org/apache/hadoop/hbase/io/MetricsIOSource.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/io/MetricsIOSource.html b/devapidocs/src-html/org/apache/hadoop/hbase/io/MetricsIOSource.html new file mode 100644 index 0000000..b074547 --- /dev/null +++ b/devapidocs/src-html/org/apache/hadoop/hbase/io/MetricsIOSource.html @@ -0,0 +1,152 @@ +<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd";> +<html lang="en"> +<head> +<title>Source code</title> +<link rel="stylesheet" type="text/css" href="../../../../../../stylesheet.css" title="Style"> +</head> +<body> +<div class="sourceContainer"> +<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><a name="line.18"></a> +<span class="sourceLineNo">019</span>package org.apache.hadoop.hbase.io;<a name="line.19"></a> +<span class="sourceLineNo">020</span><a name="line.20"></a> +<span class="sourceLineNo">021</span>import org.apache.hadoop.hbase.metrics.BaseSource;<a name="line.21"></a> +<span class="sourceLineNo">022</span><a name="line.22"></a> +<span class="sourceLineNo">023</span>public interface MetricsIOSource extends BaseSource {<a name="line.23"></a> +<span class="sourceLineNo">024</span><a name="line.24"></a> +<span class="sourceLineNo">025</span> /**<a name="line.25"></a> +<span class="sourceLineNo">026</span> * The name of the metrics<a name="line.26"></a> +<span class="sourceLineNo">027</span> */<a name="line.27"></a> +<span class="sourceLineNo">028</span> String METRICS_NAME = "IO";<a name="line.28"></a> +<span class="sourceLineNo">029</span><a name="line.29"></a> +<span class="sourceLineNo">030</span> /**<a name="line.30"></a> +<span class="sourceLineNo">031</span> * The name of the metrics context that metrics will be under.<a name="line.31"></a> +<span class="sourceLineNo">032</span> */<a name="line.32"></a> +<span class="sourceLineNo">033</span> String METRICS_CONTEXT = "regionserver";<a name="line.33"></a> +<span class="sourceLineNo">034</span><a name="line.34"></a> +<span class="sourceLineNo">035</span> /**<a name="line.35"></a> +<span class="sourceLineNo">036</span> * Description<a name="line.36"></a> +<span class="sourceLineNo">037</span> */<a name="line.37"></a> +<span class="sourceLineNo">038</span> String METRICS_DESCRIPTION = "Metrics about FileSystem IO";<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 name of the metrics context that metrics will be under in jmx<a name="line.41"></a> +<span class="sourceLineNo">042</span> */<a name="line.42"></a> +<span class="sourceLineNo">043</span> String METRICS_JMX_CONTEXT = "RegionServer,sub=" + METRICS_NAME;<a name="line.43"></a> +<span class="sourceLineNo">044</span><a name="line.44"></a> +<span class="sourceLineNo">045</span><a name="line.45"></a> +<span class="sourceLineNo">046</span> String FS_READ_TIME_HISTO_KEY = "fsReadTime";<a name="line.46"></a> +<span class="sourceLineNo">047</span> String FS_PREAD_TIME_HISTO_KEY = "fsPReadTime";<a name="line.47"></a> +<span class="sourceLineNo">048</span> String FS_WRITE_HISTO_KEY = "fsWriteTime";<a name="line.48"></a> +<span class="sourceLineNo">049</span><a name="line.49"></a> +<span class="sourceLineNo">050</span> String CHECKSUM_FAILURES_KEY = "fsChecksumFailureCount";<a name="line.50"></a> +<span class="sourceLineNo">051</span><a name="line.51"></a> +<span class="sourceLineNo">052</span> String FS_READ_TIME_HISTO_DESC<a name="line.52"></a> +<span class="sourceLineNo">053</span> = "Latency of HFile's sequential reads on this region server in milliseconds";<a name="line.53"></a> +<span class="sourceLineNo">054</span> String FS_PREAD_TIME_HISTO_DESC<a name="line.54"></a> +<span class="sourceLineNo">055</span> = "Latency of HFile's positional reads on this region server in milliseconds";<a name="line.55"></a> +<span class="sourceLineNo">056</span> String FS_WRITE_TIME_HISTO_DESC<a name="line.56"></a> +<span class="sourceLineNo">057</span> = "Latency of HFile's writes on this region server in milliseconds";<a name="line.57"></a> +<span class="sourceLineNo">058</span><a name="line.58"></a> +<span class="sourceLineNo">059</span> String CHECKSUM_FAILURES_DESC = "Number of checksum failures for the HBase HFile checksums at the"<a name="line.59"></a> +<span class="sourceLineNo">060</span> + " HBase level (separate from HDFS checksums)";<a name="line.60"></a> +<span class="sourceLineNo">061</span><a name="line.61"></a> +<span class="sourceLineNo">062</span><a name="line.62"></a> +<span class="sourceLineNo">063</span> /**<a name="line.63"></a> +<span class="sourceLineNo">064</span> * Update the fs sequential read time histogram<a name="line.64"></a> +<span class="sourceLineNo">065</span> * @param t time it took, in milliseconds<a name="line.65"></a> +<span class="sourceLineNo">066</span> */<a name="line.66"></a> +<span class="sourceLineNo">067</span> void updateFsReadTime(long t);<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> * Update the fs positional read time histogram<a name="line.70"></a> +<span class="sourceLineNo">071</span> * @param t time it took, in milliseconds<a name="line.71"></a> +<span class="sourceLineNo">072</span> */<a name="line.72"></a> +<span class="sourceLineNo">073</span> void updateFsPReadTime(long t);<a name="line.73"></a> +<span class="sourceLineNo">074</span><a name="line.74"></a> +<span class="sourceLineNo">075</span> /**<a name="line.75"></a> +<span class="sourceLineNo">076</span> * Update the fs write time histogram<a name="line.76"></a> +<span class="sourceLineNo">077</span> * @param t time it took, in milliseconds<a name="line.77"></a> +<span class="sourceLineNo">078</span> */<a name="line.78"></a> +<span class="sourceLineNo">079</span> void updateFsWriteTime(long t);<a name="line.79"></a> +<span class="sourceLineNo">080</span>}<a name="line.80"></a> + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +</pre> +</div> +</body> +</html>
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/c9d35424/devapidocs/src-html/org/apache/hadoop/hbase/io/MetricsIOSourceImpl.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/io/MetricsIOSourceImpl.html b/devapidocs/src-html/org/apache/hadoop/hbase/io/MetricsIOSourceImpl.html new file mode 100644 index 0000000..11c20e6 --- /dev/null +++ b/devapidocs/src-html/org/apache/hadoop/hbase/io/MetricsIOSourceImpl.html @@ -0,0 +1,156 @@ +<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd";> +<html lang="en"> +<head> +<title>Source code</title> +<link rel="stylesheet" type="text/css" href="../../../../../../stylesheet.css" title="Style"> +</head> +<body> +<div class="sourceContainer"> +<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><a name="line.18"></a> +<span class="sourceLineNo">019</span>package org.apache.hadoop.hbase.io;<a name="line.19"></a> +<span class="sourceLineNo">020</span><a name="line.20"></a> +<span class="sourceLineNo">021</span>import org.apache.hadoop.hbase.metrics.BaseSourceImpl;<a name="line.21"></a> +<span class="sourceLineNo">022</span>import org.apache.hadoop.metrics2.MetricHistogram;<a name="line.22"></a> +<span class="sourceLineNo">023</span>import org.apache.hadoop.metrics2.MetricsCollector;<a name="line.23"></a> +<span class="sourceLineNo">024</span>import org.apache.hadoop.metrics2.MetricsRecordBuilder;<a name="line.24"></a> +<span class="sourceLineNo">025</span>import org.apache.hadoop.metrics2.lib.Interns;<a name="line.25"></a> +<span class="sourceLineNo">026</span><a name="line.26"></a> +<span class="sourceLineNo">027</span>public class MetricsIOSourceImpl extends BaseSourceImpl implements MetricsIOSource {<a name="line.27"></a> +<span class="sourceLineNo">028</span><a name="line.28"></a> +<span class="sourceLineNo">029</span> private final MetricsIOWrapper wrapper;<a name="line.29"></a> +<span class="sourceLineNo">030</span><a name="line.30"></a> +<span class="sourceLineNo">031</span> private final MetricHistogram fsReadTimeHisto;<a name="line.31"></a> +<span class="sourceLineNo">032</span> private final MetricHistogram fsPReadTimeHisto;<a name="line.32"></a> +<span class="sourceLineNo">033</span> private final MetricHistogram fsWriteTimeHisto;<a name="line.33"></a> +<span class="sourceLineNo">034</span><a name="line.34"></a> +<span class="sourceLineNo">035</span> public MetricsIOSourceImpl(MetricsIOWrapper wrapper) {<a name="line.35"></a> +<span class="sourceLineNo">036</span> this(METRICS_NAME, METRICS_DESCRIPTION, METRICS_CONTEXT, METRICS_JMX_CONTEXT, wrapper);<a name="line.36"></a> +<span class="sourceLineNo">037</span> }<a name="line.37"></a> +<span class="sourceLineNo">038</span><a name="line.38"></a> +<span class="sourceLineNo">039</span> public MetricsIOSourceImpl(String metricsName,<a name="line.39"></a> +<span class="sourceLineNo">040</span> String metricsDescription,<a name="line.40"></a> +<span class="sourceLineNo">041</span> String metricsContext,<a name="line.41"></a> +<span class="sourceLineNo">042</span> String metricsJmxContext,<a name="line.42"></a> +<span class="sourceLineNo">043</span> MetricsIOWrapper wrapper) {<a name="line.43"></a> +<span class="sourceLineNo">044</span> super(metricsName, metricsDescription, metricsContext, metricsJmxContext);<a name="line.44"></a> +<span class="sourceLineNo">045</span><a name="line.45"></a> +<span class="sourceLineNo">046</span> this.wrapper = wrapper;<a name="line.46"></a> +<span class="sourceLineNo">047</span><a name="line.47"></a> +<span class="sourceLineNo">048</span> fsReadTimeHisto = getMetricsRegistry()<a name="line.48"></a> +<span class="sourceLineNo">049</span> .newTimeHistogram(FS_READ_TIME_HISTO_KEY, FS_READ_TIME_HISTO_DESC);<a name="line.49"></a> +<span class="sourceLineNo">050</span> fsPReadTimeHisto = getMetricsRegistry()<a name="line.50"></a> +<span class="sourceLineNo">051</span> .newTimeHistogram(FS_PREAD_TIME_HISTO_KEY, FS_PREAD_TIME_HISTO_DESC);<a name="line.51"></a> +<span class="sourceLineNo">052</span> fsWriteTimeHisto = getMetricsRegistry()<a name="line.52"></a> +<span class="sourceLineNo">053</span> .newTimeHistogram(FS_WRITE_HISTO_KEY, FS_WRITE_TIME_HISTO_DESC);<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> @Override<a name="line.56"></a> +<span class="sourceLineNo">057</span> public void updateFsReadTime(long t) {<a name="line.57"></a> +<span class="sourceLineNo">058</span> fsReadTimeHisto.add(t);<a name="line.58"></a> +<span class="sourceLineNo">059</span> };<a name="line.59"></a> +<span class="sourceLineNo">060</span><a name="line.60"></a> +<span class="sourceLineNo">061</span> @Override<a name="line.61"></a> +<span class="sourceLineNo">062</span> public void updateFsPReadTime(long t) {<a name="line.62"></a> +<span class="sourceLineNo">063</span> fsPReadTimeHisto.add(t);<a name="line.63"></a> +<span class="sourceLineNo">064</span> };<a name="line.64"></a> +<span class="sourceLineNo">065</span><a name="line.65"></a> +<span class="sourceLineNo">066</span> @Override<a name="line.66"></a> +<span class="sourceLineNo">067</span> public void updateFsWriteTime(long t) {<a name="line.67"></a> +<span class="sourceLineNo">068</span> fsWriteTimeHisto.add(t);<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> @Override<a name="line.71"></a> +<span class="sourceLineNo">072</span> public void getMetrics(MetricsCollector metricsCollector, boolean all) {<a name="line.72"></a> +<span class="sourceLineNo">073</span> MetricsRecordBuilder mrb = metricsCollector.addRecord(metricsName);<a name="line.73"></a> +<span class="sourceLineNo">074</span><a name="line.74"></a> +<span class="sourceLineNo">075</span> // wrapper can be null because this function is called inside of init.<a name="line.75"></a> +<span class="sourceLineNo">076</span> if (wrapper != null) {<a name="line.76"></a> +<span class="sourceLineNo">077</span> mrb.addCounter(Interns.info(CHECKSUM_FAILURES_KEY, CHECKSUM_FAILURES_DESC),<a name="line.77"></a> +<span class="sourceLineNo">078</span> wrapper.getChecksumFailures());<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> metricsRegistry.snapshot(mrb, all);<a name="line.81"></a> +<span class="sourceLineNo">082</span> }<a name="line.82"></a> +<span class="sourceLineNo">083</span><a name="line.83"></a> +<span class="sourceLineNo">084</span>}<a name="line.84"></a> + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +</pre> +</div> +</body> +</html> http://git-wip-us.apache.org/repos/asf/hbase-site/blob/c9d35424/devapidocs/src-html/org/apache/hadoop/hbase/io/MetricsIOWrapper.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/io/MetricsIOWrapper.html b/devapidocs/src-html/org/apache/hadoop/hbase/io/MetricsIOWrapper.html new file mode 100644 index 0000000..6cf1080 --- /dev/null +++ b/devapidocs/src-html/org/apache/hadoop/hbase/io/MetricsIOWrapper.html @@ -0,0 +1,96 @@ +<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd";> +<html lang="en"> +<head> +<title>Source code</title> +<link rel="stylesheet" type="text/css" href="../../../../../../stylesheet.css" title="Style"> +</head> +<body> +<div class="sourceContainer"> +<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><a name="line.18"></a> +<span class="sourceLineNo">019</span>package org.apache.hadoop.hbase.io;<a name="line.19"></a> +<span class="sourceLineNo">020</span><a name="line.20"></a> +<span class="sourceLineNo">021</span>public interface MetricsIOWrapper {<a name="line.21"></a> +<span class="sourceLineNo">022</span><a name="line.22"></a> +<span class="sourceLineNo">023</span> long getChecksumFailures();<a name="line.23"></a> +<span class="sourceLineNo">024</span>}<a name="line.24"></a> + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +</pre> +</div> +</body> +</html> http://git-wip-us.apache.org/repos/asf/hbase-site/blob/c9d35424/devapidocs/src-html/org/apache/hadoop/hbase/io/MetricsIOWrapperImpl.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/io/MetricsIOWrapperImpl.html b/devapidocs/src-html/org/apache/hadoop/hbase/io/MetricsIOWrapperImpl.html new file mode 100644 index 0000000..40e84c6 --- /dev/null +++ b/devapidocs/src-html/org/apache/hadoop/hbase/io/MetricsIOWrapperImpl.html @@ -0,0 +1,101 @@ +<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd";> +<html lang="en"> +<head> +<title>Source code</title> +<link rel="stylesheet" type="text/css" href="../../../../../../stylesheet.css" title="Style"> +</head> +<body> +<div class="sourceContainer"> +<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><a name="line.18"></a> +<span class="sourceLineNo">019</span>package org.apache.hadoop.hbase.io;<a name="line.19"></a> +<span class="sourceLineNo">020</span><a name="line.20"></a> +<span class="sourceLineNo">021</span>import org.apache.hadoop.hbase.io.hfile.HFile;<a name="line.21"></a> +<span class="sourceLineNo">022</span><a name="line.22"></a> +<span class="sourceLineNo">023</span>public class MetricsIOWrapperImpl implements MetricsIOWrapper {<a name="line.23"></a> +<span class="sourceLineNo">024</span><a name="line.24"></a> +<span class="sourceLineNo">025</span> @Override<a name="line.25"></a> +<span class="sourceLineNo">026</span> public long getChecksumFailures() {<a name="line.26"></a> +<span class="sourceLineNo">027</span> return HFile.getAndResetChecksumFailuresCount();<a name="line.27"></a> +<span class="sourceLineNo">028</span> }<a name="line.28"></a> +<span class="sourceLineNo">029</span>}<a name="line.29"></a> + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +</pre> +</div> +</body> +</html>
