{"id":815,"date":"2021-02-12T15:44:14","date_gmt":"2021-02-12T06:44:14","guid":{"rendered":"https:\/\/technologyagency.net\/wordpress\/?p=815"},"modified":"2021-03-28T18:11:28","modified_gmt":"2021-03-28T09:11:28","slug":"raspberry-pi-2%e3%81%a7%e3%82%af%e3%83%a9%e3%82%b9%e3%82%bf%e6%a7%8b%e7%af%892","status":"publish","type":"post","link":"https:\/\/technologyagency.net\/wordpress\/2021\/02\/12\/raspberry-pi-2%e3%81%a7%e3%82%af%e3%83%a9%e3%82%b9%e3%82%bf%e6%a7%8b%e7%af%892\/","title":{"rendered":"Raspberry Pi 2\u3067\u30af\u30e9\u30b9\u30bf\u69cb\u7bc9 \u305d\u306e\uff12(Hadoop\u7de8)"},"content":{"rendered":"\n<p><a href=\"https:\/\/technologyagency.net\/wordpress\/2021\/02\/04\/raspberry-pi%e3%81%a7%e3%82%af%e3%83%a9%e3%82%b9%e3%82%bf%e6%a7%8b%e7%af%89\/\">\u524d\u56de<\/a>\u3001Hadoop\u74b0\u5883\u3092\u69cb\u7bc9\u3057Standalone\u30e2\u30fc\u30c9\u3067\u52d5\u4f5c\u78ba\u8a8d\u51fa\u6765\u305f\u305f\u3081\u3001\u4eca\u5ea6\u306f\u5b8c\u5168\u5206\u6563\u30e2\u30fc\u30c9\u3067\u52d5\u4f5c\u3092\u78ba\u8a8d\u3059\u308b\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u6e96\u5099<\/h2>\n\n\n\n<p>\u5404\u30b5\u30fc\u30d0\u30fc\u304b\u3089\u30d1\u30b9\u30ef\u30fc\u30c9\u7121\u3057\u3067\u63a5\u7d9a\u51fa\u6765\u308b\u3088\u3046\u306b\u3059\u308b\u3002\u3053\u306e\u4f5c\u696d\u3092\u884c\u3063\u3066\u304a\u304f\u3068\u30de\u30b9\u30bf\u30fc\u306e\u8d77\u52d5\u3068\u30b9\u30ec\u30fc\u30d6\u306e\u8d77\u52d5\u30921\u30b3\u30de\u30f3\u30c9\u3067\u5b9f\u884c\u51fa\u6765\u308b\u3088\u3046\u306b\u306a\u308b\u3002<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: bash; title: ; notranslate\" title=\"\">\n#\u9375\u3092\u751f\u6210\nssh-keygen -t rsa\n#\u5404\u30b5\u30fc\u30d0\u30fc\u306b\u516c\u958b\u9375\u3092\u30b3\u30d4\u30fc\nssh-copy-id -i \/home\/foo\/.ssh\/id_rsa.pub foo@192.168.0.xxx\n#\u30d1\u30b9\u30ef\u30fc\u30c9\u7121\u3057\u3067\u30ed\u30b0\u30a4\u30f3\u51fa\u6765\u308b\u3053\u3068\u3092\u78ba\u8a8d\nssh 192.168.0.xxx\n<\/pre><\/div>\n\n\n<p>\u30c7\u30fc\u30bf\u4fdd\u5b58\u7528\u306eUSB\u30cf\u30fc\u30c9\u30c7\u30a3\u30b9\u30af\u3092\u8d77\u52d5\u6642\u306b\u30de\u30a6\u30f3\u30c8\u3059\u308b\u3088\u3046\u306b\u3059\u308b\u3002<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: bash; title: ; notranslate\" title=\"\">\n#USB\u30cf\u30fc\u30c9\u30c7\u30a3\u30b9\u30af\u306e\u30d1\u30b9\u3092\u78ba\u8a8d\nsudo fdisk -l\n#UUID\u3092\u78ba\u8a8d\nsudo blkid \/dev\/sda1 #\u30d1\u30b9\u306f\u74b0\u5883\u6bce\u306b\u7570\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u305f\u3081\u6ce8\u610f\nsudo vi \/etc\/fstab\n#\u4e0b\u8a18\u306e1\u884c\u3092\u8ffd\u8a18\nUUID=xxx-xxx-xxx-xxx-xxx \/mnt\/usbhdd ext4 defaults 0 0 #UUID\u306f\u6a5f\u5668\u6bce\u306b\u7570\u306a\u308b\u305f\u3081\u6ce8\u610f\n#\u518d\u8d77\u52d5\u3057\u3066\u81ea\u52d5\u7684\u306b\u30de\u30a6\u30f3\u30c8\u3055\u308c\u308b\u3053\u3068\u3092\u78ba\u8a8d\nsudo shutdown -r now\n<\/pre><\/div>\n\n\n<p>\u30db\u30b9\u30c8\u540d\u3092\/etc\/hosts\u306b\u8a18\u8f09\u3059\u308b\u3002Hadoop\u306e\u8a2d\u5b9a\u3067IP\u30a2\u30c9\u30ec\u30b9\u3092\u4f7f\u7528\u3059\u308b\u3068\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3059\u308b\u305f\u3081\u3001\u3053\u3053\u3067\u30db\u30b9\u30c8\u540d\u3092\u8a2d\u5b9a\u3057\u3066\u304a\u304f\u3002<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: bash; title: ; notranslate\" title=\"\">\nsudo vi \/etc\/hosts\n\n192.168.0.xx1 master1\n192.168.0.xx2 master2\n192.168.0.xx3 master3\n192.168.0.xx4 slave1\n192.168.0.xx5 slave2\n192.168.0.xx6 slave3\n192.168.0.xx7 slave4\n<\/pre><\/div>\n\n\n<h2 class=\"wp-block-heading\">\u30af\u30e9\u30b9\u30bf\u30fc\u306e\u69cb\u6210\u3092\u691c\u8a0e<\/h2>\n\n\n\n<p>\u624b\u5143\u306b\u306b\u306f7\u53f0\u306eRaspberry Pi 2\u304c\u3042\u308a\u3001\u305d\u306e\u3046\u30614\u53f0\u306b\u306fUSB\u30cf\u30fc\u30c9\u30c7\u30a3\u30b9\u30af\u3092\u63a5\u7d9a\u3057\u3066\u3044\u308b\u3002<\/p>\n\n\n\n<p>Hadoop\u306e\u69cb\u7bc9\u306b\u5fc5\u8981\u306a\u6a5f\u80fd\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3042\u308b\u3053\u3068\u304b\u3089\u3001<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>NameNode<\/li><li>DataNode<\/li><li>Secondary NameNode<\/li><li>ResourceManager<\/li><li>NodeManager<\/li><li>WebAppProxy<\/li><li>Map Reduce Job History Server<\/li><\/ul>\n\n\n\n<p>\u5404\u30b5\u30fc\u30d0\u30fc\u306b\u4e0b\u8a18\u306e\u69d8\u306b\u5272\u308a\u632f\u308b\u3053\u3068\u306b\u3057\u305f\u3002Zookeeper\u306b\u3088\u308b\u81ea\u52d5\u30d5\u30a7\u30a4\u30eb\u30aa\u30fc\u30d0\u30fc\u306b\u3064\u3044\u3066\u306f\u4eca\u56de\u306f\u8a2d\u5b9a\u3057\u306a\u3044\u3002<\/p>\n\n\n\n<p>master1\u30fb\u30fb\u30fbNameNode, ResourceManager<br>master2\u30fb\u30fb\u30fbSecondary NameNode<br>master3\u30fb\u30fb\u30fb\u4eca\u56de\u306f\u4f7f\u7528\u3057\u306a\u3044<br>slave1\u30fb\u30fb\u30fbDataNode, NodeManager<br>slave2\u30fb\u30fb\u30fbDataNode, NodeManager<br>slave3\u30fb\u30fb\u30fbDataNode, NodeManager<br>slave4\u30fb\u30fb\u30fbDataNode, NodeManager<br>\u203bslave1\uff5e4\u306b\u306fUSB\u30cf\u30fc\u30c9\u30c7\u30a3\u30b9\u30af\u304c\u63a5\u7d9a\u3055\u308c\u3066\u3044\u308b\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Hadoop\u30c7\u30fc\u30e2\u30f3\u306e\u74b0\u5883\u8a2d\u5b9a<\/h2>\n\n\n\n<p>~\/.bashrc\u306b\u4e0b\u8a18\u3092\u8ffd\u8a18\u3059\u308b\u3002<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: bash; title: ; notranslate\" title=\"\">\nexport JAVA_HOME=&quot;$HOME\/jdk-11-latest&quot;\nexport HADOOP_HOME=&quot;$HOME\/hadoop-latest&quot;\nif &#x5B; -d &quot;$HADOOP_HOME&quot; ] ; then\n    export HADOOP_CONF_DIR=&quot;$HADOOP_HOME\/etc\/hadoop&quot;\nfi\n<\/pre><\/div>\n\n\n<p>\u5168\u30b5\u30fc\u30d0\u30fc\u306eetc\/hadoop\/hadoop-env.sh\u3092\u7de8\u96c6\u3059\u308b\u3002<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: bash; title: ; notranslate\" title=\"\">\nexport JAVA_HOME=\/home\/xxx\/jdk-11-latest\nexport HADOOP_HOME=\/home\/xxx\/hadoop-latest\nexport HADOOP_HEAPSIZE_MAX=200m\n<\/pre><\/div>\n\n\n<h2 class=\"wp-block-heading\">HDFS\u306e\u8a2d\u5b9a<\/h2>\n\n\n\n<p>\u5168\u30b5\u30fc\u30d0\u30fc\u306eetc\/hadoop\/core-site.xml\u3092\u7de8\u96c6\u3059\u308b\u3002<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: xml; title: ; notranslate\" title=\"\">\n&lt;configuration&gt;\n  &lt;property&gt;\n    &lt;name&gt;fs.defaultFS&lt;\/name&gt;\n    &lt;value&gt;hdfs:\/\/master1:9000\/&lt;\/value&gt;\n  &lt;\/property&gt;\n&lt;\/configuration&gt;\n<\/pre><\/div>\n\n\n<p>master1\u306eetc\/hadoop\/hdfs-site.xml\u3092\u7de8\u96c6\u3059\u308b\u3002<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: xml; title: ; notranslate\" title=\"\">\n&lt;configuration&gt;\n  &lt;property&gt;\n    &lt;name&gt;dfs.replication&lt;\/name&gt;\n    &lt;value&gt;3&lt;\/value&gt;\n  &lt;\/property&gt;\n  &lt;property&gt;\n    &lt;name&gt;dfs.namenode.secondary.http-address&lt;\/name&gt;\n    &lt;value&gt;master2:50090&lt;\/value&gt;\n  &lt;\/property&gt;\n  &lt;property&gt;\n    &lt;name&gt;dfs.namenode.name.dir&lt;\/name&gt;\n    &lt;value&gt;\/home\/xxx\/hadoop-latest\/name&lt;\/value&gt;\n  &lt;\/property&gt;\n&lt;\/configuration&gt;\n<\/pre><\/div>\n\n\n<p>master1\u306eetc\/hadoop\/workers\u3092\u7de8\u96c6\u3059\u308b\u3002<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\nslave1\nslave2\nslave3\nslave4\n<\/pre><\/div>\n\n\n<p>slave1\uff5e4\u306eetc\/hadoop\/hdfs-site.xml\u3092\u7de8\u96c6\u3059\u308b\u3002<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: xml; title: ; notranslate\" title=\"\">\n&lt;configuration&gt;\n  &lt;property&gt;\n    &lt;name&gt;dfs.datanode.data.dir&lt;\/name&gt;\n    &lt;value&gt;\/mnt\/usbhdd\/hadoop\/data&lt;\/value&gt;\n  &lt;\/property&gt;\n&lt;\/configuration&gt;\n<\/pre><\/div>\n\n\n<p>master1\u3067\u4e0b\u8a18\u3092\u5b9f\u884c\u3059\u308b\u3002<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: bash; title: ; notranslate\" title=\"\">\n$HADOOP_HOME\/bin\/hdfs namenode -format &lt;cluster_name&gt;\n$HADOOP_HOME\/sbin\/start-dfs.sh\n<\/pre><\/div>\n\n\n<p>\u6b63\u5e38\u52d5\u4f5c\u3092\u78ba\u8a8d\u51fa\u6765\u305f\u3089\u3001\u4e0b\u8a18\u3092\u5b9f\u884c\u3057\u505c\u6b62\u3059\u308b\u3002<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: bash; title: ; notranslate\" title=\"\">\n$HADOOP_HOME\/sbin\/stop-dfs.sh\n<\/pre><\/div>\n\n\n<p>\u3053\u306e\u6642\u4e0b\u8a18\u306eWarning\u304c\u51fa\u305f\u305f\u3081\u3001<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\nOpenJDK Server VM warning: You have loaded library \/home\/xxx\/hadoop-3.2.2\/lib\/native\/libhadoop.so.1.0.0 which might have disabled stack guard. The VM will try to fix the stack guard now.\nIt&#039;s highly recommended that you fix the library with &#039;execstack -c &amp;lt;libfile&gt;&#039;, or link it with &#039;-z noexecstack&#039;.\n<\/pre><\/div>\n\n\n<p>\u4e0b\u8a18\u306e\u5bfe\u5fdc\u3092\u884c\u3063\u305f\u3002<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\nsudo apt-get install prelink\nsudo execstack -c \/home\/xxx\/hadoop-3.2.2\/lib\/native\/libhadoop.so.1.0.0\nsudo execstack -c \/home\/xxx\/hadoop-3.2.2\/lib\/native\/libhdfs.so.0.0.0\nsudo execstack -c \/home\/xxx\/hadoop-3.2.2\/lib\/native\/libnativetask.so.1.0.0\n<\/pre><\/div>\n\n\n<h2 class=\"wp-block-heading\">YARN\u306e\u8a2d\u5b9a<\/h2>\n\n\n\n<p><strong>\u6ce8\u610f\uff1a\u30e1\u30e2\u30ea\u306e\u8a2d\u5b9a\u306f\u53c2\u8003\u306b\u3057\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002\u7269\u7406\u30e1\u30e2\u30ea\u304c1GB\u3057\u304b\u306a\u3044Raspberry Pi 2\u3067\u7121\u7406\u3084\u308a\u52d5\u304f\u3088\u3046\u306b\u8a2d\u5b9a\u3057\u305f\u3082\u306e\u306a\u306e\u3067\u3001\u6b63\u3057\u3044\u8a2d\u5b9a\u65b9\u6cd5\u3067\u306f\u306a\u3044\u3067\u3059\u3002<\/strong><\/p>\n\n\n\n<p>master1\u3001slave1\uff5e4\u306eetc\/hadoop\/yarn-site.xml\u3092\u7de8\u96c6\u3059\u308b\u3002(yarn.scheduler.\uff5e\u306fmaster1\u306e\u307f\u8ffd\u8a18\u3001yarn.nodemanager.\uff5e\u306fslave1\uff5e4\u306e\u307f\u8ffd\u8a18)<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: xml; title: ; notranslate\" title=\"\">\n&lt;configuration&gt;\n  &lt;property&gt;\n      &lt;name&gt;yarn.resourcemanager.hostname&lt;\/name&gt;\n      &lt;value&gt;master1&lt;\/value&gt;\n  &lt;\/property&gt;\n  &lt;property&gt;\n      &lt;name&gt;yarn.scheduler.minimum-allocation-mb&lt;\/name&gt;\n      &lt;value&gt;200&lt;\/value&gt;\n  &lt;\/property&gt;\n  &lt;property&gt;\n      &lt;name&gt;yarn.scheduler.maximum-allocation-mb&lt;\/name&gt;\n      &lt;value&gt;800&lt;\/value&gt;\n  &lt;\/property&gt;\n  &lt;property&gt;\n    &lt;name&gt;yarn.nodemanager.resource.memory-mb&lt;\/name&gt;\n    &lt;value&gt;200&lt;\/value&gt;\n  &lt;\/property&gt;\n  &lt;property&gt;\n    &lt;name&gt;yarn.nodemanager.aux-services&lt;\/name&gt;\n    &lt;value&gt;mapreduce_shuffle&lt;\/value&gt;\n  &lt;\/property&gt;\n  &lt;property&gt;\n    &lt;name&gt;yarn.nodemanager.env-whitelist&lt;\/name&gt;\n    &lt;value&gt;JAVA_HOME,HADOOP_COMMON_HOME,HADOOP_HDFS_HOME,HADOOP_CONF_DIR,CLASSPATH_PREPEND_DISTCACHE,HADOOP_YARN_HOME,HADOOP_MAPRED_HOME&lt;\/value&gt;\n  &lt;\/property&gt;\n&lt;\/configuration&gt;\n<\/pre><\/div>\n\n\n<p>master1\u306eetc\/hadoop\/mapred-site.xml\u3092\u7de8\u96c6\u3059\u308b\u3002<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: xml; title: ; notranslate\" title=\"\">\n&lt;configuration&gt;\n  &lt;property&gt;\n    &lt;name&gt;mapreduce.framework.name&lt;\/name&gt;\n    &lt;value&gt;yarn&lt;\/value&gt;\n  &lt;\/property&gt;\n  &lt;property&gt;\n    &lt;name&gt;yarn.app.mapreduce.am.resource.mb&lt;\/name&gt;\n    &lt;value&gt;200&lt;\/value&gt;\n  &lt;\/property&gt;\n  &lt;property&gt;\n    &lt;name&gt;mapreduce.map.memory.mb&lt;\/name&gt;\n    &lt;value&gt;200&lt;\/value&gt;\n  &lt;\/property&gt;\n  &lt;property&gt;\n    &lt;name&gt;mapreduce.map.java.opts&lt;\/name&gt;\n    &lt;value&gt;-Xmx200M&lt;\/value&gt;\n  &lt;\/property&gt;\n  &lt;property&gt;\n    &lt;name&gt;mapreduce.reduce.memory.mb&lt;\/name&gt;\n    &lt;value&gt;200&lt;\/value&gt;\n  &lt;\/property&gt;\n  &lt;property&gt;\n    &lt;name&gt;mapreduce.reduce.java.opts&lt;\/name&gt;\n    &lt;value&gt;-Xmx200M&lt;\/value&gt;\n  &lt;\/property&gt;\n  &lt;property&gt;\n    &lt;name&gt;yarn.app.mapreduce.am.env&lt;\/name&gt;\n    &lt;value&gt;HADOOP_MAPRED_HOME=\/home\/xxx\/hadoop-latest&lt;\/value&gt;\n  &lt;\/property&gt;\n  &lt;property&gt;\n    &lt;name&gt;mapreduce.map.env&lt;\/name&gt;\n    &lt;value&gt;HADOOP_MAPRED_HOME=\/home\/xxx\/hadoop-latest&lt;\/value&gt;\n  &lt;\/property&gt;\n  &lt;property&gt;\n    &lt;name&gt;mapreduce.reduce.env&lt;\/name&gt;\n    &lt;value&gt;HADOOP_MAPRED_HOME=\/home\/xxx\/hadoop-latest&lt;\/value&gt;\n  &lt;\/property&gt;\n&lt;\/configuration&gt;\n<\/pre><\/div>\n\n\n<p>master1\u3067\u4e0b\u8a18\u3092\u5b9f\u884c\u3059\u308b\u3002<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: bash; title: ; notranslate\" title=\"\">\n$HADOOP_HOME\/sbin\/start-dfs.sh\n$HADOOP_HOME\/sbin\/start-yarn.sh\n<\/pre><\/div>\n\n\n<p>\u554f\u984c\u306a\u304f\u4e21\u65b9\u306e\u8d77\u52d5\u304c\u78ba\u8a8d\u3067\u304d\u305f\u306e\u3067\u3001\u5b9f\u969b\u306b\u51e6\u7406\u3092\u5b9f\u884c\u3057\u3066\u307f\u308b\u3002<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: bash; title: ; notranslate\" title=\"\">\n$HADOOP_HOME\/bin\/hadoop jar \/home\/xxx\/hadoop-latest\/share\/hadoop\/mapreduce\/hadoop-mapreduce-examples-3.2.2.jar pi 10 10000\n<\/pre><\/div>\n\n\n<p>\u4e0b\u8a18\u306e\u69d8\u306b\u51e6\u7406\u304c\u9032\u3093\u3067\u884c\u304d\u3001<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\n2021-02-18 08:12:21,597 INFO mapreduce.Job:  map 0% reduce 0%\n2021-02-18 08:13:06,983 INFO mapreduce.Job:  map 19% reduce 0%\n2021-02-18 08:13:38,044 INFO mapreduce.Job:  map 31% reduce 0%\n2021-02-18 08:13:39,081 INFO mapreduce.Job:  map 38% reduce 0%\n2021-02-18 08:14:09,121 INFO mapreduce.Job:  map 44% reduce 0%\n2021-02-18 08:14:10,159 INFO mapreduce.Job:  map 56% reduce 0%\n2021-02-18 08:14:41,193 INFO mapreduce.Job:  map 69% reduce 0%\n2021-02-18 08:14:48,435 INFO mapreduce.Job:  map 69% reduce 23%\n2021-02-18 08:15:12,225 INFO mapreduce.Job:  map 81% reduce 23%\n2021-02-18 08:15:13,260 INFO mapreduce.Job:  map 81% reduce 27%\n2021-02-18 08:15:42,218 INFO mapreduce.Job:  map 88% reduce 27%\n2021-02-18 08:15:43,256 INFO mapreduce.Job:  map 94% reduce 27%\n2021-02-18 08:15:44,290 INFO mapreduce.Job:  map 94% reduce 31%\n2021-02-18 08:16:14,264 INFO mapreduce.Job:  map 100% reduce 31%\n2021-02-18 08:16:15,298 INFO mapreduce.Job:  map 100% reduce 67%\n2021-02-18 08:16:17,369 INFO mapreduce.Job:  map 100% reduce 100%\n<\/pre><\/div>\n\n\n<p>\u6700\u7d42\u7684\u306b\u4e0b\u8a18\u306e\u7d50\u679c\u304c\u8868\u793a\u3055\u308c\u305f\u3002\u3084\u306f\u308a\u304b\u306a\u308a\u9045\u3044\u3002<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\nJob Finished in 320.709 seconds\nEstimated value of Pi is 3.14157500000000000000\n<\/pre><\/div>\n\n\n<p class=\"has-text-align-right\"><a 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