{"id":50120,"date":"2023-10-23T05:48:19","date_gmt":"2023-04-21T07:48:57","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%b0%9d%e8%af%95%e5%9c%a8wsl-ubuntu%e4%b8%8a%e8%bf%90%e8%a1%8cscalardb%ef%bc%88%e7%8e%af%e5%a2%83%e8%ae%be%e7%bd%ae%e7%af%87%ef%bc%89%e3%80%82\/"},"modified":"2024-05-04T05:35:15","modified_gmt":"2024-05-03T21:35:15","slug":"%e5%b0%9d%e8%af%95%e5%9c%a8wsl-ubuntu%e4%b8%8a%e8%bf%90%e8%a1%8cscalardb%ef%bc%88%e7%8e%af%e5%a2%83%e8%ae%be%e7%bd%ae%e7%af%87%ef%bc%89%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%b0%9d%e8%af%95%e5%9c%a8wsl-ubuntu%e4%b8%8a%e8%bf%90%e8%a1%8cscalardb%ef%bc%88%e7%8e%af%e5%a2%83%e8%ae%be%e7%bd%ae%e7%af%87%ef%bc%89%e3%80%82\/","title":{"rendered":"\u5c1d\u8bd5\u5728WSL Ubuntu\u4e0a\u8fd0\u884cScalarDB\uff08\u73af\u5883\u8bbe\u7f6e\u7bc7\uff09"},"content":{"rendered":"<h1>ScalarDB \u662f\u4ec0\u4e48?<\/h1>\n<p>\u4f7f\u7528Scalar\u63d0\u4f9b\u7684\u5e93\u53ef\u4ee5\u5c06\u975eACID\u7684\u5206\u5e03\u5f0f\u6570\u636e\u5e93\/\u5b58\u50a8\u8f6c\u6362\u4e3a\u7b26\u5408ACID\u6807\u51c6\u7684\u6570\u636e\u5e93\uff0c\u901a\u8fc7\u4f7f\u7528\u50cfCassandra\u8fd9\u6837\u7684\u5206\u5e03\u5f0f\u6570\u636e\u5e93\uff0c\u5b9e\u73b0\u4e86\u7ebf\u6027\u53ef\u6269\u5c55\u6027\u548c\u9ad8\u53ef\u7528\u6027\u3002<\/p>\n<p>\u6700\u5927\u7684\u7279\u70b9\u662f\u53ef\u4ee5\u4f7f\u7528\u5177\u6709\u5f3a\u5927\u4e00\u81f4\u6027\u7684ACID\u4e8b\u52a1\u529f\u80fd\u3002<\/p>\n<p>\u8bf7\u67e5\u770b ScalarDB \u6587\u6863\u4ee5\u83b7\u53d6\u8be6\u7ec6\u4fe1\u606f\u3002<\/p>\n<h3>ScalarDB\u7684\u67b6\u6784<\/h3>\n<p>ScalarDB\u4e3b\u8981\u7531\u4ee5\u4e0b\u4e09\u5c42\u7ec4\u6210\u3002<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u8d1f\u8d23\u7ba1\u7406\u65e0\u4e3b\u4e8b\u52a1\u7684\u7ba1\u7406\u5c42<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u7528\u4e8e\u6570\u636e\u5b58\u50a8\u7684\u5206\u5e03\u5f0f\u6570\u636e\u5e93\u4e4b\u95f4\u5dee\u5f02\u7684\u5438\u6536\u5c42\uff0c\u5373\u5b58\u50a8\u62bd\u8c61\u5316\u5c42<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\u7279\u5b9a\u4e8e\u5b58\u50a8\u7684\u9002\u914d\u5668\uff08\u76ee\u524d\u652f\u6301Cassandra\uff09<\/ol>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d8f79913a08637a6d9848\/7-0.png\" alt=\"image.png\" \/><\/div>\n<p>ScalarDB\u7684\u6570\u636e\u6a21\u578b\u662f\u57fa\u4e8e\u952e\u503c\u5bf9\u5f62\u5f0f\u7684\u591a\u7ef4\u5730\u56fe\u6a21\u578b\uff0c\u8bb0\u5f55\u7531\u5206\u533a\u952e\u3001\u805a\u7c07\u952e\u548c\u503c\u96c6\u5408\u7ec4\u6210\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d8f79913a08637a6d9848\/9-0.png\" alt=\"image.png\" \/><\/div>\n<p>\u6bcf\u4e2a\u503c\u901a\u8fc7\u7531\u5206\u533a\u952e\u3001\u805a\u7c07\u952e\u548c\u503c\u7684\u540d\u79f0\u6784\u6210\u7684\u4e3b\u952e\u8fdb\u884c\u552f\u4e00\u6620\u5c04\u3002<\/p>\n<h3>\u5173\u4e8eCassandra<\/h3>\n<p>Cassandra\u662f\u4e00\u79cdNoSQL\u6570\u636e\u5e93\uff0c\u5177\u6709\u4ee5\u4e0b\u7279\u70b9\u3002<\/p>\n<p>\u30fb\u65e0\u5355\u4e00\u6545\u969c\u70b9\u7684\u9ad8\u5ea6\u53ef\u6269\u5c55\u6027\u4e0e\u53ef\u7528\u6027<br \/>\n\u30fb\u7c7b\u4f3cSQL\u7684\u67e5\u8be2\u8bed\u8a00\uff0c\u652f\u6301\u901a\u8fc7\u6b21\u8981\u7d22\u5f15\u8fdb\u884c\u641c\u7d22<br \/>\n\u30fb\u7075\u6d3b\u7684\u6a21\u5f0f\u3002<\/p>\n<p>\u4e0d\u8fc7\uff0c\u8fd8\u6709\u4ee5\u4e0b\u7684\u9650\u5236\u3002<\/p>\n<p>\u30fb\u4e0d\u652f\u6301\u4e8b\u52a1\u548cJoin\u64cd\u4f5c<br \/>\n\u30fb\u4e0d\u652f\u6301\u5916\u952e\uff0c\u952e\u662f\u4e0d\u53ef\u53d8\u7684<br \/>\n\u30fb\u952e\u5fc5\u987b\u662f\u552f\u4e00\u7684<br \/>\n\u30fb\u641c\u7d22\u590d\u6742<\/p>\n<p>\u6570\u636e\u6a21\u578b\u7531\u4ee5\u4e0b\u8981\u7d20\u7ec4\u6210\uff0c\u727a\u7272\u4e86\u90e8\u5206\u6570\u636e\u4e00\u81f4\u6027\u6765\u5b9e\u73b0\u6570\u636e\u7684\u5206\u6563\u3002<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u952e\u7a7a\u95f4<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u9876\u7ea7\u547d\u540d\u7a7a\u95f4<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u5217\u65cf\uff08\u8868\uff09<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u5bf9\u5e94\u5173\u7cfb\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\u7684\u8868\uff0c\u662f\u5217\u96c6\u5408\u7684\u5bb9\u5668<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u5206\u533a\u952e<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u5c06\u6570\u636e\u5206\u6563\u5728\u8282\u70b9\u4e0a\u7684\u952e<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u503c<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\u5206\u533a\u952e\u3001\u805a\u7c07\u952e\u4e4b\u5916\u7684\u5217\u6570\u636e<\/ol>\n<h1>\u73af\u5883\u5efa\u7acb<\/h1>\n<p>\u6211\u5011\u63a5\u4e0b\u4f86\u8981\u9032\u5165\u6b63\u984c\uff0c\u8a66\u8457\u5728\u672c\u5730\u7684Windows10\u4e0a\u5b89\u88ddUbuntu16.04\u4e26\u904b\u884c\u9019\u500bScalarDB\u3002<\/p>\n<p>\u4ee5\u4e0b\u662f\u6240\u9700\u7684\u7ec4\u4ef6\uff1a<br \/>\n\u2022 Oracle JDK 8\uff08OpenJDK 8\uff09\u6216\u66f4\u9ad8\u7248\u672c<br \/>\n\u2022 Cassandra 3.11.x\uff08\u5f53\u524d\u6700\u65b0\u7a33\u5b9a\u7248\u672c\uff09<br \/>\n\u2022 Golang Ver.1.10\u6216\u66f4\u9ad8\u7248\u672c<br \/>\n\u2022 Gradle Ver.4.10\u6216\u66f4\u9ad8\u7248\u672c<\/p>\n<p>\u6211\u4eec\u7acb\u5373\u5b89\u88c5\u5427\u3002<\/p>\n<h4>Oracle JDK 8\uff08OpenJDK 8\uff09 \u5965\u62c9\u514b\u5c14JDK 8\uff08\u5f00\u653eJDK 8\uff09<\/h4>\n<p>\uff08\u8bf7\u53c2\u8003\uff1ahttp:\/\/cassandra.apache.org\/\uff09<\/p>\n<p>\u636e\u8bf4Ubuntu\u7684\u521d\u59cb\u72b6\u6001\u4e0b\u5177\u5907Java 8\u7684\u8fd0\u884c\u73af\u5883\uff0c\u4f46\u4e0d\u5177\u5907\u5f00\u53d1\u73af\u5883\u3002<\/p>\n<p>\u66f4\u65b0\u8f6f\u4ef6\u5305\u5217\u8868\u3002<br \/>\n$ sudo apt update<\/p>\n<p>\u5b89\u88ddJava 8\u958b\u767c\u74b0\u5883<br \/>\n$ sudo apt\u5b89\u88ddopenjdk-8-jdk<\/p>\n<h4>Cassandra 3.11.x<\/h4>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d8f79913a08637a6d9848\/28-0.png\" alt=\"image.png\" \/><\/div>\n<p>\u203b\u5982\u679c\u5728\u7b2c3\u6b65\u9aa4\u4e2d\u51fa\u73b0\u4ee5\u4e0b\u9519\u8bef\uff1a<br \/>\nGPG\u9519\u8bef\uff1ahttp:\/\/www.apache.org 311x InRelease\uff1a\u7531\u4e8e\u516c\u94a5\u4e0d\u53ef\u7528\uff0c\u65e0\u6cd5\u9a8c\u8bc1\u4ee5\u4e0b\u7b7e\u540d\uff1aNO_PUBKEY A278B781FE4B2BDA\u3002<\/p>\n<p>\u6dfb\u52a0\u516c\u94a5<br \/>\n$ sudo apt-key adv &#8211;keyserver pool.sks-keyservers.net &#8211;recv-key A278B781FE4B2BDA<\/p>\n<p>\u8bf7\u518d\u6b21\u66f4\u65b0\u5b58\u50a8\u5e93<br \/>\n$ sudo apt-get update<\/p>\n<h4>Go\u8bed\u8a00<\/h4>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d8f79913a08637a6d9848\/33-0.png\" alt=\"image.png\" \/><\/div>\n<h4>Gradle &#8211; \u6784\u5efa\u5de5\u5177<\/h4>\n<p>\u4e3a\u4e86\u5b89\u88c5Gradle\uff0c\u9700\u8981\u5148\u5b89\u88c5SDKMan\u3002\u800c\u8981\u5b89\u88c5SDKMan\uff0c\u5219\u9700\u8981\u5206\u522b\u5b89\u88c5zip\u548cunzip\u3002<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u538b\u7f29\u548c\u89e3\u538b\u7f29\u7a0b\u5e8f\u7684\u5b89\u88c5<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>$ sudo apt install zip unzip<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>SDKMan\u7684\u5b89\u88c5<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>$ curl -s &#8220;https:\/\/get.sdkman.io&#8221; | bash<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u8be6\u60c5\u8bf7\u53c2\u9605<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>SDKMan\u7684\u521d\u59cb\u8bbe\u7f6e<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>$ source &#8220;\/home\/(\u81ea\u5df1\u7684\u7528\u6237\u540d)\/.sdkman\/bin\/sdkman-init.sh&#8221;<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u786e\u8ba4SDKMan\u7684\u5b89\u88c5<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>$ sdk version<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u5e94\u663e\u793asdkman 5.0.0+51\u624d\u4e3a\u6b63\u5e38<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>Gradle\u7684\u5b89\u88c5<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>$ sdk install gradle 4.10.2<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u8be6\u60c5\u8bf7\u53c2\u9605<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u786e\u8ba4Gradle\u7684\u7248\u672c<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>$ gradle &#8211;version<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\u5e94\u663e\u793aGradle 4.10.2\u624d\u4e3a\u6b63\u5e38<\/ol>\n<h4>ScalarDB\u7684\u914d\u7f6e<\/h4>\n<p>1. \u521b\u5efa\u8bbe\u7f6e\u6587\u4ef6(database.properties)<\/p>\n<p>\u4f7f\u7528\u547d\u4ee4\u884c\u521b\u5efa\u4e00\u4e2a\u540d\u4e3a\/etc\/scalar\/\u7684\u76ee\u5f55\uff0c\u7136\u540e\u4f7f\u7528vi\u7f16\u8f91\u5668\u6253\u5f00\/etc\/scalar\/database.properties\u6587\u4ef6\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"c\"># Comma separated contact points \r\n<\/span><span class=\"py\">scalar.database.contact_points<\/span><span class=\"p\">=<\/span><span class=\"s\">localhost<\/span>\r\n<span class=\"c\"># Port number for all the contact points. Default port number for each database is used if empty. \r\n# scalar.database.contact_port= \r\n# Credential information to access the database \r\n<\/span><span class=\"py\">scalar.database.username<\/span><span class=\"p\">=<\/span><span class=\"s\">cassandra <\/span>\r\n<span class=\"py\">scalar.database.password<\/span><span class=\"p\">=<\/span><span class=\"s\">cassandra <\/span>\r\n<\/code><\/pre>\n<p>\u53ea\u9700\u8981\u4e00\u79cd\u9009\u9879\uff1a<br \/>\n\u5728\u300clocalhost\u300d\u5904\u5199\u5165\u8981\u8fde\u63a5\u7684\u7ec8\u7aef\u7684IP\u5730\u5740\u3002\u5982\u679c\u8981\u8fdb\u884c\u591a\u4e2a\u8fde\u63a5\uff0c\u5219\u7528\u9017\u53f7\u9694\u5f00\u5199\u5165\u3002<\/p>\n<p>\u4e3aCassandra\u521b\u5efa\u6570\u636e\u76ee\u5f55\u3002<\/p>\n<p>\u8bf7\u7528\u4e2d\u6587\u5c06\u4ee5\u4e0b\u5185\u5bb9\u91cd\u65b0\u8868\u8fbe\uff0c\u53ea\u9700\u8981\u4e00\u79cd\u7248\u672c\uff1a<br \/>\n$ sudo mkdir -p \/data\/cassandra\/data<br \/>\n$ sudo mkdir -p \/data\/cassandra\/commitlog<br \/>\n$ sudo mkdir -p \/data\/cassandra\/hints<br \/>\n$ sudo mkdir -p \/data\/cassandra\/saved_caches<\/p>\n<p>\u8bf7\u4f7f\u7528\u7ba1\u7406\u5458\u6743\u9650\u521b\u5efa\u4ee5\u4e0b\u76ee\u5f55\uff1a<br \/>\n$ sudo mkdir -p \/data\/cassandra\/data<br \/>\n$ sudo mkdir -p \/data\/cassandra\/commitlog<br \/>\n$ sudo mkdir -p \/data\/cassandra\/hints<br \/>\n$ sudo mkdir -p \/data\/cassandra\/saved_caches<\/p>\n<p>\u66f4\u6539\/data\/cassandra\u6587\u4ef6\u5939\u7684\u62e5\u6709\u8005\u4e3acassandra:cassandra\u3002<br \/>\n\u4f7f\u7528sudo chown -R cassandra:cassandra \/data\/cassandra\u547d\u4ee4\u5b9e\u73b0\u3002<\/p>\n<p>\u7531\u4e8e\u8fd9\u662f\u793a\u4f8b\uff0c\u6240\u4ee5\u5728\u540c\u4e00\u5b9e\u4f8b\u4e0a\u521b\u5efa\uff0c\u4f46\u5728\u751f\u4ea7\u73af\u5883\u4e2d\uff0c\u9884\u8ba1\u5c06\u5728AWS\u6216NFS\u4e0a\u521b\u5efa\u3002<\/p>\n<p>\u7f16\u8f91Cassandra\u7684\u914d\u7f6e\u6587\u4ef6\u3002<\/p>\n<p>\u5148\u521b\u5efaCassandra\u914d\u7f6e\u6587\u4ef6\u7684\u5907\u4efd\u7136\u540e\u8fdb\u884c\u7f16\u8f91\u3002<\/p>\n<p>\u5c06\/etc\/cassandra\/cassandra.yaml\u590d\u5236\u5230\/etc\/cassandra\/cassandra.yaml.copy\uff1a<br \/>\n$ sudo cp \/etc\/cassandra\/cassandra.yaml \/etc\/cassandra\/cassandra.yaml.copy<br \/>\n\u4f7f\u7528sudo vi\u547d\u4ee4\u7f16\u8f91\/etc\/cassandra\/cassandra.yaml\u6587\u4ef6\uff1a<br \/>\n$ sudo vi \/etc\/cassandra\/cassandra.yaml<\/p>\n<pre class=\"post-pre\"><code><span class=\"s\">commitlog_directory\u306e\u8a2d\u5b9a\u3092\u5909\u66f4(196\u884c\u76ee)<\/span>\r\n <span class=\"s\">\u5909\u66f4\u524d<\/span>\r\n<span class=\"c1\"># commit log.  when running on magnetic HDD, this should be a<\/span>\r\n<span class=\"c1\"># separate spindle than the data directories.<\/span>\r\n<span class=\"c1\"># If not set, the default directory is $CASSANDRA_HOME\/data\/commitlog.<\/span>\r\n<span class=\"na\">commitlog_directory<\/span><span class=\"pi\">:<\/span> <span class=\"s\">\/var\/lib\/cassandra\/commitlog<\/span>\r\n\r\n <span class=\"s\">\u5909\u66f4\u5f8c<\/span> \r\n<span class=\"c1\"># commit log.  when running on magnetic HDD, this should be a<\/span>\r\n<span class=\"c1\"># separate spindle than the data directories.<\/span>\r\n<span class=\"c1\"># If not set, the default directory is $CASSANDRA_HOME\/data\/commitlog.<\/span>\r\n<span class=\"na\">commitlog_directory<\/span><span class=\"pi\">:<\/span> <span class=\"s\">\/data\/cassandra\/commitlog<\/span>\r\n\r\n\r\n<span class=\"s\">data_file_directories\u306e\u8a2d\u5b9a\u3092\u5909\u66f4(191\u884c\u76ee)<\/span>\r\n <span class=\"s\">\u5909\u66f4\u524d<\/span>\r\n<span class=\"c1\"># Directories where Cassandra should store data on disk.  Cassandra<\/span>\r\n<span class=\"c1\"># will spread data evenly across them, subject to the granularity of<\/span>\r\n<span class=\"c1\"># the configured compaction strategy.<\/span>\r\n<span class=\"c1\"># If not set, the default directory is $CASSANDRA_HOME\/data\/data.<\/span>\r\n<span class=\"na\">data_file_directories<\/span><span class=\"pi\">:<\/span> <span class=\"s\">\/var\/lib\/cassandra\/data<\/span>\r\n\r\n <span class=\"s\">\u5909\u66f4\u5f8c<\/span> \r\n<span class=\"c1\"># Directories where Cassandra should store data on disk.  Cassandra<\/span>\r\n<span class=\"c1\"># will spread data evenly across them, subject to the granularity of<\/span>\r\n<span class=\"c1\"># the configured compaction strategy.<\/span>\r\n<span class=\"c1\"># If not set, the default directory is $CASSANDRA_HOME\/data\/data.<\/span>\r\n<span class=\"na\">data_file_directories<\/span><span class=\"pi\">:<\/span> <span class=\"s\">\/data\/cassandra\/data<\/span>\r\n\r\n\r\n<span class=\"s\">hints_directory\u306e\u8a2d\u5b9a\u3092\u5909\u66f4(71\u884c\u76ee)<\/span>\r\n <span class=\"s\">\u5909\u66f4\u524d<\/span>\r\n<span class=\"c1\"># Directory where Cassandra should store hints.<\/span>\r\n<span class=\"c1\"># If not set, the default directory is $CASSANDRA_HOME\/data\/hints.<\/span>\r\n<span class=\"na\">hints_directory<\/span><span class=\"pi\">:<\/span> <span class=\"s\">\/var\/lib\/cassandra\/hints<\/span>\r\n\r\n <span class=\"s\">\u5909\u66f4\u5f8c<\/span>\r\n<span class=\"c1\"># Directory where Cassandra should store hints.<\/span>\r\n<span class=\"c1\"># If not set, the default directory is $CASSANDRA_HOME\/data\/hints.<\/span>\r\n<span class=\"na\">hints_directory<\/span><span class=\"pi\">:<\/span> <span class=\"s\">\/data\/cassandra\/hints<\/span> \r\n\r\n\r\n<span class=\"s\">saved_caches_directory\u306e\u8a2d\u5b9a\u3092\u5909\u66f4(368\u884c\u76ee)<\/span>\r\n <span class=\"s\">\u5909\u66f4\u524d<\/span>\r\n<span class=\"c1\"># saved caches<\/span>\r\n<span class=\"c1\"># If not set, the default directory is $CASSANDRA_HOME\/data\/saved_caches.<\/span>\r\n<span class=\"na\">saved_caches_directory<\/span><span class=\"pi\">:<\/span> <span class=\"s\">\/var\/lib\/cassandra\/saved_caches<\/span>\r\n\r\n <span class=\"s\">\u5909\u66f4\u5f8c<\/span>\r\n<span class=\"c1\"># saved caches<\/span>\r\n<span class=\"c1\"># If not set, the default directory is $CASSANDRA_HOME\/data\/saved_caches.<\/span>\r\n<span class=\"na\">saved_caches_directory<\/span><span class=\"pi\">:<\/span> <span class=\"s\">\/data\/cassandra\/saved_caches<\/span>\r\n\r\n\r\n<span class=\"s\">\u8a2d\u5b9a\u306e\u30b3\u30e1\u30f3\u30c8\u30a2\u30a6\u30c8\u3092\u5207\u308a\u66ff\u3048\u308b(379,380,385,386\u884c\u76ee)<\/span>\r\n <span class=\"s\">\u5909\u66f4\u524d<\/span>\r\n<span class=\"c1\"># commitlog_sync_batch_window_in_ms milliseconds between fsyncs.<\/span>\r\n<span class=\"c1\"># This window should be kept short because the writer threads will<\/span>\r\n<span class=\"c1\"># be unable to do extra work while waiting.  (You may need to increase<\/span>\r\n<span class=\"c1\"># concurrent_writes for the same reason.)<\/span>\r\n<span class=\"c1\">#<\/span>\r\n<span class=\"c1\"># commitlog_sync: batch<\/span>\r\n<span class=\"c1\"># commitlog_sync_batch_window_in_ms: 2<\/span>\r\n<span class=\"c1\">#<\/span>\r\n<span class=\"c1\"># the other option is \"periodic\" where writes may be acked immediately<\/span>\r\n<span class=\"c1\"># and the CommitLog is simply synced every commitlog_sync_period_in_ms<\/span>\r\n<span class=\"c1\"># milliseconds.<\/span>\r\n<span class=\"na\">commitlog_sync<\/span><span class=\"pi\">:<\/span> <span class=\"s\">periodic<\/span>\r\n<span class=\"na\">commitlog_sync_period_in_ms<\/span><span class=\"pi\">:<\/span> <span class=\"m\">10000<\/span>\r\n\r\n <span class=\"s\">\u5909\u66f4\u5f8c<\/span>\r\n<span class=\"c1\"># commitlog_sync_batch_window_in_ms milliseconds between fsyncs.<\/span>\r\n<span class=\"c1\"># This window should be kept short because the writer threads will<\/span>\r\n<span class=\"c1\"># be unable to do extra work while waiting.  (You may need to increase<\/span>\r\n<span class=\"c1\"># concurrent_writes for the same reason.)<\/span>\r\n<span class=\"c1\">#<\/span>\r\n<span class=\"na\">commitlog_sync<\/span><span class=\"pi\">:<\/span> <span class=\"s\">batch<\/span>\r\n<span class=\"na\">commitlog_sync_batch_window_in_ms<\/span><span class=\"pi\">:<\/span> <span class=\"m\">2<\/span>\r\n<span class=\"c1\">#<\/span>\r\n<span class=\"c1\"># the other option is \"periodic\" where writes may be acked immediately<\/span>\r\n<span class=\"c1\"># and the CommitLog is simply synced every commitlog_sync_period_in_ms<\/span>\r\n<span class=\"c1\"># milliseconds.<\/span>\r\n<span class=\"c1\"># commitlog_sync: periodic<\/span>\r\n<span class=\"c1\"># commitlog_sync_period_in_ms: 10000<\/span>\r\n\r\n<\/code><\/pre>\n<p>\u91cd\u65b0\u542f\u52a8Cassandra\u5e76\u8fdb\u884c\u767b\u5f55\u786e\u8ba4<\/p>\n<p>\u82e5\u80fd\u6210\u529f\u767b\u5f55\u5230Cassandra\u63a7\u5236\u53f0\uff0c\u5219\u8868\u793a\u5df2\u6210\u529f\u542f\u52a8\u3002<\/p>\n<p>\u5982\u679c\u663e\u793a*Cassandra\u6b63\u5728\u8fd0\u884c\uff0c\u5219\u8868\u793a\u6210\u529f\u3002<\/p>\n<h3>ScalarDB\u6a21\u5f0f\u5de5\u5177<\/h3>\n<p>\u8fd9\u4e2a\u5de5\u5177\u662f\u4e3aScalarDB\u6570\u636e\u5e93\u751f\u6210\u548c\u52a0\u8f7d\u6a21\u5f0f\u7684\u5de5\u5177\u3002<br \/>\n\u5b83\u6709\u4e24\u4e2a\u529f\u80fd\uff1a\u751f\u6210\u5668(generator)\u548c\u52a0\u8f7d\u5668(loader)\u3002\u751f\u6210\u5668\u53ef\u4ee5\u521b\u5efa\u5b58\u50a8\u5b9e\u73b0\uff08\u4f8b\u5982\uff1aCassandra\uff09\u7279\u5b9a\u7684\u6a21\u5f0f\u5b9a\u4e49\u6587\u4ef6\u548c\u5143\u6570\u636e\u5b9a\u4e49\uff0c\u52a0\u8f7d\u5668\u53ef\u4ee5\u4f7f\u7528\u751f\u6210\u5668\u83b7\u53d6\u6a21\u5f0f\u6587\u4ef6\uff0c\u5e76\u521b\u5efa\u6a21\u5f0f\u5b9a\u4e49\u5230\u5b58\u50a8\u4e2d\u3002<\/p>\n<p>\u8fd9\u6837\u4e00\u6765\uff0c\u5728\u5bf9\u5e94\u7528\u7a0b\u5e8f\u7684\u6570\u636e\u8fdb\u884c\u5efa\u6a21\u65f6\uff0c\u6211\u4eec\u5c31\u4e0d\u518d\u9700\u8981\u8003\u8651\u5b58\u50a8\u7279\u5b9a\u7684\u6a21\u5f0f\u4e86\u3002<\/p>\n<p>1. \u5de5\u5177\u4e0b\u8f7d<\/p>\n<p>\u5c06ScalarDB\u7684GitHub\u4ed3\u5e93\u8fdb\u884c\u514b\u9686\u3002<br \/>\n$ cd\uff5e\/<br \/>\n$ git clone https:\/\/github.com\/scalar-labs\/scalardb.git<\/p>\n<p>2. \u4f7f\u7528Gradle\u914d\u7f6eScalarDB\u73af\u5883\u3002<\/p>\n<p>\u4f7f\u7528\u53d8\u91cf\u8bbe\u7f6e\u8def\u5f84<br \/>\n$ SCALARDB_HOME=\/home\/(\u7528\u6237\u7684\u73af\u5883\u7528\u6237\u540d)\/scalardb<br \/>\n$ cd $SCALARDB_HOME<\/p>\n<p>\u6267\u884c\u6784\u5efa<br \/>\n$ sudo .\/gradlew installDist<br \/>\n\u5982\u679c\u663e\u793a\u201c\u6784\u5efa\u6210\u529f\u201d\uff0c\u5219\u8868\u793aOK<\/p>\n<p>\u7528Go\u8bed\u8a00make\u65b9\u6cd5<\/p>\n<p>\u8bf7\u8f6c\u5230Schema Tools\u76ee\u5f55\u5e76\u8fd0\u884cmake\u547d\u4ee4\u3002<br \/>\n$ cd tools\/schema<br \/>\n$ sudo make<\/p>\n<p>\u521b\u5efa\u6837\u672c\u6587\u4ef6<br \/>\n$ sudo vi emoney-storage.sdbql<\/p>\n<pre class=\"post-pre\"><code>REPLICATION FACTOR 1;\r\nCREATE NAMESPACE emoney;\r\nCREATE TABLE emoney.account (\r\n  id TEXT PARTITIONKEY,\r\n  balance INT,\r\n);\r\n<\/code><\/pre>\n<p>5. \u6267\u884c\u6d4b\u8bd5<\/p>\n<p>\u5c1d\u8bd5\u542f\u52a8generator\u3002<br \/>\n$ sudo .\/generator emoney-storage.sdbql emoney-storage.cql<\/p>\n<p>\u786e\u8ba4 emoney-storage.cql \u6587\u4ef6\u5df2\u88ab\u521b\u5efa\u3002<\/p>\n<h1>\u8fdb\u5165\u6837\u54c1\u5e94\u7528\u7a0b\u5e8f\u521b\u5efa\u90e8\u5206\u3002<\/h1>\n<p>\u73af\u5883\u642d\u5efa\u90e8\u5206\u5df2\u7ecf\u5b8c\u6210\u3002\u5728\u793a\u4f8b\u5e94\u7528\u521b\u5efa\u90e8\u5206\uff0c\u6211\u5e0c\u671b\u5b9e\u9645\u521b\u5efa\u4e00\u4e2a\u793a\u4f8b\u5e94\u7528\u7a0b\u5e8f\uff0c\u5e76\u786e\u8ba4ScalarDB\u5e94\u7528\u7a0b\u5e8f\u7684\u8fd0\u884c\u60c5\u51b5\u3002<\/p>\n<p>\u5728WSL Ubuntu\u4e0a\u5c1d\u8bd5\u8fd0\u884cScalarDB(\u521b\u5efa\u793a\u4f8b\u5e94\u7528\u7a0b\u5e8f\u7684\u90e8\u5206)\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>ScalarDB \u662f\u4ec0\u4e48? \u4f7f\u7528Scalar\u63d0\u4f9b\u7684\u5e93\u53ef\u4ee5\u5c06\u975eACID\u7684\u5206\u5e03\u5f0f\u6570\u636e\u5e93\/\u5b58\u50a8\u8f6c\u6362\u4e3a\u7b26\u5408ACID\u6807\u51c6 [&hellip;]<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-50120","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - 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