{"id":50168,"date":"2023-10-15T22:43:49","date_gmt":"2023-07-26T05:41:55","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/cassandra%e9%9b%86%e7%be%a4%e7%9a%84%e9%85%8d%e7%bd%ae%e5%92%8c%e4%bf%ae%e5%a4%8d\/"},"modified":"2024-05-04T04:24:43","modified_gmt":"2024-05-03T20:24:43","slug":"cassandra%e9%9b%86%e7%be%a4%e7%9a%84%e9%85%8d%e7%bd%ae%e5%92%8c%e4%bf%ae%e5%a4%8d","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/cassandra%e9%9b%86%e7%be%a4%e7%9a%84%e9%85%8d%e7%bd%ae%e5%92%8c%e4%bf%ae%e5%a4%8d\/","title":{"rendered":"Cassandra\u96c6\u7fa4\u7684\u914d\u7f6e\u548c\u4fee\u590d"},"content":{"rendered":"

\u9996\u5148<\/h1>\n

\u6211\u4eec\u6b63\u5728\u4f7f\u7528Cassandra\u4f5c\u4e3a\u5206\u5e03\u5f0f\u5927\u6570\u636e\u6570\u636e\u5e93\u3002\u5728\u8282\u70b9\u96c6\u7fa4\u4e2d\u8fdb\u884c\u8282\u70b9\u6dfb\u52a0\u3001\u8282\u70b9\u5220\u9664\u3001\u590d\u5236\u56e0\u5b50\u66f4\u6539\u4ee5\u53ca\u4fee\u590d\u7b49\u64cd\u4f5c\u3002<\/p>\n

Cassandra \u662f\u4ec0\u4e48?<\/h1>\n

\u7f51\u5740\uff1ahttp:\/\/cassandra.apache.org\/<\/p>\n

\"image.png\"<\/div>\n

\u6765\u6e90\uff1ahttps:\/\/db-engines.com\/en\/ranking<\/p>\n

\u96c6\u7fa4\u69cb\u6210\u7b56\u7565<\/h1>\n

\u53c2\u8003\u94fe\u63a5\uff1ahttp:\/\/cassandra.apache.org\/doc\/latest\/architecture\/dynamo.html#\u590d\u5236\u7b56\u7565<\/p>\n

\u7f51\u7edc\u62d3\u6251\u7b56\u7565<\/h2>\n

\u5982\u679c\u9700\u8981\u914d\u7f6e\u591a\u4e2a\u6570\u636e\u4e2d\u5fc3\uff0c\u5e94\u9009\u62e9NetworkTopologyStrategy\u3002<\/p>\n

\u7b80\u5355\u7b56\u7565<\/h2>\n

\u5982\u679c\u53ea\u8003\u8651\u5355\u4e00\u6570\u636e\u4e2d\u5fc3\u7684\u67b6\u6784\uff0c\u9009\u62e9SimpleStrategy\u3002<\/p>\n

\u67e5\u770bKeyspace\u7684\u5f53\u524dStrategy\u3002<\/h3>\n
select<\/span> *<\/span> from<\/span> system_schema<\/span>.<\/span>keyspaces<\/span>  where<\/span> keyspace_name<\/span> =<\/span> 'my_keyspcae'<\/span>\r\n<\/code><\/pre>\n
\"image.png\"<\/div>\n
\u66f4\u6539Keyspace\u7684Strategy<\/h3>\n
ALTER<\/span> KEYSPACE<\/span> my_keyspace<\/span> WITH<\/span> replication<\/span> =<\/span> {<\/span>'class'<\/span>:<\/span> 'SimpleStrategy'<\/span>,<\/span> 'replication_factor'<\/span> :<\/span> 3<\/span>}<\/span>;<\/span>\r\n<\/code><\/pre>\n
\u8c03\u6574JVM\u53c2\u6570<\/h1>\n
\u914d\u7f6e\u6587\u4ef6\uff1a\/etc\/cassandra\/conf\/jvm.options
\n\u8fd9\u662f\u5173\u4e8e\u5806\u8bbe\u7f6e\u548c\u5783\u573e\u56de\u6536\u7b49\u8bbe\u7f6e\u7684\u5185\u5bb9\u3002
\n\u4f8b\u5982\uff1a<\/p>\n
#################\r\n# HEAP SETTINGS #\r\n#################\r\n\r\n# Heap size is automatically calculated by cassandra-env based on this\r\n# formula: max(min(1\/2 ram, 1024MB), min(1\/4 ram, 8GB))\r\n# That is:\r\n# - calculate 1\/2 ram and cap to 1024MB\r\n# - calculate 1\/4 ram and cap to 8192MB\r\n# - pick the max\r\n#\r\n# For production use you may wish to adjust this for your environment.\r\n# If that's the case, uncomment the -Xmx and Xms options below to override the\r\n# automatic calculation of JVM heap memory.\r\n#\r\n# It is recommended to set min (-Xms) and max (-Xmx) heap sizes to\r\n# the same value to avoid stop-the-world GC pauses during resize, and\r\n# so that we can lock the heap in memory on startup to prevent any\r\n# of it from being swapped out.\r\n-Xms8G\r\n-Xmx8G\r\n<\/code><\/pre>\n
\u8bf7\u53c2\u8003\u8fd9\u7bc7\u6587\u7ae0\uff1ahttps:\/\/docs.datastax.com\/en\/ddac\/doc\/datastax_enterprise\/operations\/opsTuneJVM.html<\/p>\n
\u5728Cluster\u4e2d\u6dfb\u52a0Node\u3002<\/h1>\n
\u66f4\u6539cassandra.yaml\u7684\u914d\u7f6e<\/h2>\n
\u8bbe\u7f6e\u6587\u4ef6\uff1a\/etc\/cassandra\/conf\/cassandra.yaml<\/p>\n
# The name of the cluster. This is mainly used to prevent machines in<\/span>\r\n# one logical cluster from joining another.<\/span>\r\ncluster_name<\/span>:<\/span> '<\/span>MyCluster'<\/span>\r\n\r\n# Whether to start the thrift rpc server.<\/span>\r\nstart_rpc<\/span>:<\/span> true<\/span>\r\n\r\n# For security reasons, you should not expose this port to the internet.  Firewall it if needed.<\/span>\r\nrpc_address<\/span>:<\/span> <Local ip><\/span>\r\n\r\n# any class that implements the SeedProvider interface and has a<\/span>\r\n# constructor that takes a Map<String, String> of parameters will do.<\/span>\r\nseed_provider<\/span>:<\/span>\r\n    # Addresses of hosts that are deemed contact points. <\/span>\r\n    # Cassandra nodes use this list of hosts to find each other and learn<\/span>\r\n    # the topology of the ring.  You must change this if you are running<\/span>\r\n    # multiple nodes!<\/span>\r\n    -<\/span> class_name<\/span>:<\/span> org.apache.cassandra.locator.SimpleSeedProvider<\/span>\r\n      parameters<\/span>:<\/span>\r\n          # seeds is actually a comma-delimited list of addresses.<\/span>\r\n          # Ex: \"<ip1>,<ip2>,<ip3>\"<\/span>\r\n          -<\/span> seeds<\/span>:<\/span> \"<\/span><Local<\/span> ip>,<Node1<\/span> ip>\"<\/span>\r\n\r\n# Address or interface to bind to and tell other Cassandra nodes to connect to.<\/span>\r\n# You _must_ change this if you want multiple nodes to be able to communicate!<\/span>\r\n#<\/span>\r\n# Set listen_address OR listen_interface, not both.<\/span>\r\n#<\/span>\r\n# Leaving it blank leaves it up to InetAddress.getLocalHost(). This<\/span>\r\n# will always do the Right Thing _if_ the node is properly configured<\/span>\r\n# (hostname, name resolution, etc), and the Right Thing is to use the<\/span>\r\n# address associated with the hostname (it might not be).<\/span>\r\n#<\/span>\r\n# Setting listen_address to 0.0.0.0 is always wrong.<\/span>\r\n#<\/span>\r\nlisten_address<\/span>:<\/span> <Local ip><\/span>\r\n\r\n<\/code><\/pre>\n
\u53c2\u8003\u9875\u9762\uff1ahttp:\/\/cassandra.apache.org\/doc\/latest\/configuration\/cassandra_config_file.html<\/p>\n
\u53c2\u8003\u7f51\u9875\uff1ahttp:\/\/cassandra.apache.org\/doc\/latest\/configuration\/cassandra_config_file.html<\/p>\n
\u5c06\u5176\u91cd\u65b0\u542f\u52a8\u4ee5\u5c06\u5176\u6dfb\u52a0\u5230\u96c6\u7fa4\u4e2d\u3002<\/h2>\n
rm<\/span> -rf<\/span> \/var\/lib\/cassandra\/data\/system\/*<\/span>\r\n\r\nservice cassandra start\r\n<\/code><\/pre>\n
\u786e\u8ba4\u96c6\u7fa4\u72b6\u6001<\/h2>\n
nodetool status\r\n<\/code><\/pre>\n
\"image.png\"<\/div>\n
\u5bf9\u4e8e\u591a\u4e2a\u8282\u70b9\u7684\u60c5\u51b5\uff0c\u5b83\u4eec\u4f1a\u663e\u793a\u5728\u5217\u8868\u4e2d\uff0c\u5e76\u53ef\u4e86\u89e3\u5230\u6bcf\u4e2a\u8282\u70b9\u6570\u636e\u7684\u6240\u5360\u6bd4\u4f8b\u3002<\/p>\n
\u5982\u679c\u53ea\u6709\u4e00\u4e2a\u8282\u70b9\uff0c\u90a3\u4e48\u5b83\u5c06\u5360\u636e100%\u3002\u5f53`replication_factor`\u662f3\u3001\u8282\u70b9\u6570\u91cf\u4e5f\u662f3\u65f6\uff0c`Owns`\u5c06\u4e3a100%\u3002<\/p>\n
\u5f53\u8282\u70b9\u6570\u91cf\u8d85\u8fc74\u65f6\uff0c`Owns`\u5c06\u5c0f\u4e8e100%\u7684\u6570\u503c\u3002<\/p>\n
\u5f9e Cluster \u4e2d\u522a\u9664 Node<\/h1>\n
nodetool --host<\/span> \u5916\u3057\u305f\u3044Node\u306eIP decommission -f<\/span>\r\n<\/code><\/pre>\n
\u5728\u767b\u5f55\u60f3\u8981\u9000\u51fa\u7684\u670d\u52a1\u5668\u540e<\/p>\n
nodetool decommission -f<\/span>\r\n<\/code><\/pre>\n
\u4fee\u6539\u590d\u5236\u56e0\u5b50\u540e\u7684\u4fee\u590d<\/h1>\n
\u5b8c\u5168\u4fee\u590d xi\u016b f\u00f9)<\/h2>\n
\u5982\u679c\u6709\u66f4\u6539replication_factor\u7684\u60c5\u51b5\uff0c\u6700\u597d\u6267\u884c\u8fd9\u4e2a\u64cd\u4f5c\uff0c\u56e0\u4e3a\u5b83\u9700\u8981\u4e00\u6bb5\u65f6\u95f4\u3002<\/p>\n
\u767b\u5f55\u5230\u4efb\u4f55\u4e00\u4e2a\u8282\u70b9\uff0c\u6267\u884c\u4ee5\u4e0b\u547d\u4ee4\uff08\u4ec5\u4e00\u6b21\uff09\u3002<\/p>\n
nodetool repair --full<\/span>\r\n<\/code><\/pre>\n
\u5206\u533a\u5668\u8303\u56f4\u4fee\u590d<\/h2>\n
nodetool repair -pr<\/span>\r\n<\/code><\/pre>\n
\u5728Keyspace\u4e2d\u8fdb\u884c\u7684Repair\u64cd\u4f5c<\/h2>\n
nodetool repair mykeyspace\r\n<\/code><\/pre>\n
\u5728\u6307\u5b9a\u7684\u684c\u5b50\u4e0a\u8fdb\u884c\u4fee\u590d\u3002<\/h2>\n
\u4f7f\u7528 nodetool repair \u547d\u4ee4\u4fee\u590d\u9009\u9879\u6765\u4fee\u590d\u4e2d\u548c\u8fd9\u4e24\u4e2a\u8868\u3002<\/p>\n
nodetool repair mykeyspace mytable\r\n<\/code><\/pre>\n
\"image.png\"<\/div>\n
\u53c2\u8003\u7f51\u9875\uff1ahttp:\/\/cassandra.apache.org\/doc\/latest\/operating\/repair.html?highlight=repair<\/p>\n
\u4ee5\u4e0a is the Chinese paraphrase for “above” or “the foregoing”.<\/p>\n","protected":false},"excerpt":{"rendered":"
\u9996\u5148 \u6211\u4eec\u6b63\u5728\u4f7f\u7528Cassandra\u4f5c\u4e3a\u5206\u5e03\u5f0f\u5927\u6570\u636e\u6570\u636e\u5e93\u3002\u5728\u8282\u70b9\u96c6\u7fa4\u4e2d\u8fdb\u884c\u8282\u70b9\u6dfb\u52a0\u3001\u8282\u70b9\u5220\u9664\u3001\u590d\u5236\u56e0\u5b50\u66f4\u6539\u4ee5 […]<\/p>\n","protected":false},"author":10,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-50168","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\nCassandra\u96c6\u7fa4\u7684\u914d\u7f6e\u548c\u4fee\u590d - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/cassandra\u96c6\u7fa4\u7684\u914d\u7f6e\u548c\u4fee\u590d\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Cassandra\u96c6\u7fa4\u7684\u914d\u7f6e\u548c\u4fee\u590d\" \/>\n<meta property=\"og:description\" content=\"\u9996\u5148 \u6211\u4eec\u6b63\u5728\u4f7f\u7528Cassandra\u4f5c\u4e3a\u5206\u5e03\u5f0f\u5927\u6570\u636e\u6570\u636e\u5e93\u3002\u5728\u8282\u70b9\u96c6\u7fa4\u4e2d\u8fdb\u884c\u8282\u70b9\u6dfb\u52a0\u3001\u8282\u70b9\u5220\u9664\u3001\u590d\u5236\u56e0\u5b50\u66f4\u6539\u4ee5 […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/cassandra\u96c6\u7fa4\u7684\u914d\u7f6e\u548c\u4fee\u590d\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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