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示例 预处理查询 PREPARE my_select1 FROM SELECT * FROM fruit; 预处理一个包含参数的查询，在EXECUTE语句中，与regionkey和nationkey比较的值会被替换 PREPARE my_select2 FROM SELECT name
iAdmin = HIndexClient.newHIndexAdmin(admin); // add index to the table iAdmin.addIndices(tableName, tableIndices); // Alternately
可能原因二 业务侧出现线程级别的内存泄漏“ java.lang.OutOfMemoryError: unable to create new native thread”。 根据异常任务的日志，可以找到故障的taskmanager所在节点。
任务文件“coordinator.xml”。
create table src_data1 (line string) row format delimited fields terminated by ',' ; load data inpath '/user/omm/userinput/sparksql-test.txt'
示例 创建基础表order01和order02 CREATE TABLE order01(id int,name string,tel string) ROW FORMAT DELIMITED FIELDS TERMINATED BY '\t' LINES TERMINATED BY
=0, SizeOfHFileRefsQueue=0, AgeOfLastShippedOp=0, TimeStampsOfLastShippedOp=Wed May 25 20:44:42 CST 2016, Replication Lag=0 FailedReplicationAttempts
=0, SizeOfHFileRefsQueue=0, AgeOfLastShippedOp=0, TimeStampsOfLastShippedOp=Wed May 25 20:44:42 CST 2016, Replication Lag=0 FailedReplicationAttempts
=0, SizeOfHFileRefsQueue=0, AgeOfLastShippedOp=0, TimeStampsOfLastShippedOp=Wed May 25 20:44:42 CST 2016, Replication Lag=0 FailedReplicationAttempts
=0, SizeOfHFileRefsQueue=0, AgeOfLastShippedOp=0, TimeStampsOfLastShippedOp=Wed May 25 20:44:42 CST 2016, Replication Lag=0 FailedReplicationAttempts
上述压缩算法除LZC外，皆支持Native（基于C语言实现）实现，压缩和解压缩效率较高。建议根据业务场景优先选用具备Native实现的压缩算法。 约束与限制 本章节适用于MRS 3.x及后续版本。 LZC压缩格式不支持FSImage和SequenceFile压缩。
coordinator_read_executor_size IoTDBServer 20 自定义参数（engine.customized.configs），设置IoTDBServer Coordinator的读线程核心个数。
上述压缩算法除LZC外，皆支持Native（基于C语言实现）实现，压缩和解压缩效率较高。建议根据业务场景优先选用具备Native实现的压缩算法。 约束与限制 本章节适用于MRS 3.x及后续版本。 LZC压缩格式不支持FSImage和SequenceFile压缩。
=5 找到“FailedReplicationAttempts”的值大于0的记录所对应的“PeerID”值。
n join supplier s on s.s_nationkey = n.n_nationkey and n.n_name = 'SAUDI ARABIA' join lineitem l on s.s_suppkey = l.l_suppkey where l.l_receiptdate
n join supplier s on s.s_nationkey = n.n_nationkey and n.n_name = 'SAUDI ARABIA' join lineitem l on s.s_suppkey = l.l_suppkey where l.l_receiptdate
foo"), Bytes.toBytes("bar")) put } else { null } }) ssc.start() ssc.awaitTerminationOrTimeout
foo"), Bytes.toBytes("bar")) put } else { null } }) ssc.start() ssc.awaitTerminationOrTimeout
Put file is running... 5930 [main] WARN org.apache.hadoop.util.NativeCodeLoader - Unable to load native-hadoop library for your platform...
four score and seven years ago", "snow white and the seven dwarfs", "i am at two with nature
