Changes between Initial Version and Version 1 of waue/2011/0707

Timestamp:

Jul 7, 2011, 5:37:26 PM (13 years ago)

Author:

waue

Comment:

--

waue/2011/0707

@@ +1 @@
+
+{{{
+#!html
+<div style="text-align: center; color:#151B8D"><big style="font-weight: bold;"><big><big>
+Cassandra 安裝與測試
+</big></big></big></div> <div style="text-align: center; color:#7E2217"><big style="font-weight: bold;"><big>
+ 0.8.1
+</big></big></div>
+}}}
+[[PageOutline]]
+
+
+ == 1. download  ==
+下載 bin 版如 apache-cassandra-0.8.1-bin.tar.gz
+
+ == 2. single setup ==
+
+ * 修改 conf/cassandra_env.sh
+{{{
+#!text
+max_heap_size_in_mb=1024
+}}}
+
+ * 修改 conf/log4j-server.properties
+{{{
+#!text
+log4j.appender.R.File=/opt/cassandra/run/system.log
+}}}
+
+ * 修改 conf/cassandra.yaml
+{{{
+#!text
+data_file_directories: /opt/cassandra/run/data
+commitlog_directory: /opt/cassandra/run/commitlog
+saved_caches_directory: /opt/cassandra/run/saved_caches
+}}}
+
+ == 3. run ==
+
+{{{
+bin/cassandra  
+...(程序跑於背景)
+
+bin/cassandra-cli
+[default@unknown] (進入指令交談模式)
+}}}
+
+ == 4. 操作 ==
+{{{
+create keyspace Keyspace1;
+
+use Keyspace1;
+
+create column family Users with comparator=UTF8Type and default_validation_class=UTF8Type and key_validation_class=UTF8Type;
+
+set Users[jsmith][first] = 'John';
+
+set Users[jsmith][last] = 'Smith';
+
+set Users[jsmith][age] = long(42);
+
+get Users[jsmith];
+}}}
+
+{{{
+#!text
+  set Users[jsmith][first] = 'John';
+        \      \        \          \
+         \      \_ key   \          \_ value
+          \               \_ column
+           \_ column family
+
+}}}
+
+
+== ps. 注意 ==
+ * 在Cassandra0.6.x中，​​默認實現的是與Hadoop0.20.x的整合
+