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[SQOOP-3358] sqoop2 1.99.7 Schema name of Job not work for MariaDB - Sqoop - [issue]
...Hi guys,     I find a problem when use sqoop2 1.99.7, that is:     I want to export MariaDB(mysql) to hdfs using the connector org.apache.sqoop.connector.jdbc.GenericJdbcConnector。First, I c...    Author: Wang , 2018-08-08, 02:00
[KAFKA-7148] Kafka load log very slow after goes down with outOfMemoryError - Kafka - [issue]
...two questions1、is there any idea to avoid the IOException: Map failed, or is there any limit in vm mem size ?2、is it normal when kafka load one partition log file  cost 20+ secend?  Detail I...    Author: wang , 2018-07-14, 01:35
[TS-3128] header_rewrite make:Nothing to be done for `all'. ver5.1.0 - TrafficServer - [issue]
...cannot build header_rewritecentos 6.2traffic server ver:5.1.0make log:Making all in header_rewritemake[2]: Entering directory /trafficserver-5.1.0/plugins/header_rewritemake[2 ...    Author: wang , 2014-10-11, 02:37
Can I use Yarn to dynamically assign nodes for map reduce tasks? - YARN - [mail # dev]
...Hi, All,When I use Hadoop for executing the Map reduce tasks, I am unable to findthe API to allow me assign the compute nodes for executing the task. Forexample, if I have 10 compute nodes, ...
   Author: Wang , 2014-06-05, 17:59
[LUCENE-2131] the method equals in ConstantScoreRangeQuery does not compare collator property fully, this bug is similar to LUCENE-1587 - Lucene - [issue]
...if (this.fieldName != other.fieldName  // interned comparison this.includeLower != other.includeLower this.includeUpper != other.includeUpper (this.collator != null &...    Author: wang , 2013-05-10, 10:44
[expand - 3 more] - 答复: 答复: in security mode, one MR job visit two user's data - Hive - [mail # dev]
...I am very happy to get the response. Thank you.  Give read permission to group is also not ok, because that means other user can use dfsclient read the data easily. So what I thought is...
   Author: wang , 2013-02-12, 03:17
regarding hive-1384 HiveServer should run as the user who submitted the query - Hive - [mail # dev]
...Hi all,          Idealy,  in hive security, the client user should be transmitted to hdfs and mr, just like this jira said.        I have so...
   Author: wang , 2013-02-08, 14:28
[LUCENE-4097] index was locked because of InterruptedException - Lucene - [issue]
...the index was locked, because of InterruptedException,and i could do nothing but restart tomcat,how could i avoid this happen again?thanksthis is stacktrace:org.apache.lucene.util.ThreadInte...    Author: wang , 2012-06-01, 02:07
[LUCENE-2146] DisjunctionMaxQuery has incorrect hashCode() implementation - Lucene - [issue]
...The DisjunctionMaxQuery class hashCode() implementation is non-deterministic. It uses disjuncts.hashCode() in the computation. if the contents of disjuncts are arrays, just as DisjunctionMax...    Author: wang , 2009-12-14, 13:09