phoenix 建立索引
需求:phoenix查詢很慢的時候需要建立索引
問題:
CREATE INDEX iupt ON webmagic_n.ENVIRONMENTAL_STATION_DATA2(update_time DESC) ;
錯誤:
Error: ERROR 1029 (42Y88): Mutable secondary indexes must have the hbase.regionserver.wal.codec property set to org.apache.hadoop.hbase.regionserver.wal.IndexedWALEditCodec in the hbase-sites.xml of every region server. tableName=IUPT (state=42Y88,code=1029)
java.sql.SQLException: ERROR 1029 (42Y88): Mutable secondary indexes must have the hbase.regionserver.wal.codec property set to org.apache.hadoop.hbase.regionserver.wal.IndexedWALEditCodec in the hbase-sites.xml of every region server. tableName=IUPT
at org.apache.phoenix.exception.SQLExceptionCode$Factory$1.newException(SQLExceptionCode.java:454)
at org.apache.phoenix.exception.SQLExceptionInfo.buildException(SQLExceptionInfo.java:145)
at org.apache.phoenix.schema.MetaDataClient.createIndex(MetaDataClient.java:1272)
at org.apache.phoenix.compile.CreateIndexCompiler$1.execute(CreateIndexCompiler.java:85)
at org.apache.phoenix.jdbc.PhoenixStatement$2.call(PhoenixStatement.java:359)
at org.apache.phoenix.jdbc.PhoenixStatement$2.call(PhoenixStatement.java:347)
at org.apache.phoenix.call.CallRunner.run(CallRunner.java:53)
at org.apache.phoenix.jdbc.PhoenixStatement.executeMutation(PhoenixStatement.java:345)
at org.apache.phoenix.jdbc.PhoenixStatement.execute(PhoenixStatement.java:1474)
at sqlline.Commands.execute(Commands.java:822)
at sqlline.Commands.sql(Commands.java:732)
at sqlline.SqlLine.dispatch(SqlLine.java:807)
at sqlline.SqlLine.begin(SqlLine.java:681)
at sqlline.SqlLine.start(SqlLine.java:398)
at sqlline.SqlLine.main(SqlLine.java:292)
解決方法:
<property> <name>hbase.regionserver.wal.codec</name> <value>org.apache.hadoop.hbase.regionserver
登入cdh,點元件hbase,點選配置,查詢hbase-site.xml
增強最後一句,重啟hbase....
這種方式建立索引,會自動更新下。