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[SPARK-6899] Type mismatch when using codegen - Spark - [issue]
...When I run tests in DataFrameSuite with codegen on, some type mismatched error occured.test("average") {    checkAnswer(      decimalData.agg(avg('a)),&nbs...
http://issues.apache.org/jira/browse/SPARK-6899    Author: Chen Song, 2015-04-17, 01:50
[SPARK-6927] Sorting Error when codegen on - Spark - [issue]
...When code gen is on, some unit test in SqlQuerySuit failed. test("sorting") {    val before = conf.externalSortEnabled    setConf(SQLConf.EXTERNAL_SORT, "f...
http://issues.apache.org/jira/browse/SPARK-6927    Author: Chen Song, 2015-04-17, 01:32
[SPARK-6412] Add Char support in dataTypes. - Spark - [issue]
...We can't get the schema of case class PrimitiveData, because of ScalaReflection.schemaFor and dataTYpes doesn't support CharType.case class PrimitiveData(    charField: Char, ...
http://issues.apache.org/jira/browse/SPARK-6412    Author: Chen Song, 2015-04-12, 19:50
[expand - 1 more] - Re: question on create database - Hive - [mail # user]
...Got it. Thanks.On Thu, Apr 2, 2015 at 11:29 AM, Alan Gates  wrote:Chen Song  ...
   Author: Chen Song, 2015-04-02, 20:45
spark streaming driver hang - Spark - [mail # user]
...I ran a spark streaming job.100 executors30G heap per executor4 cores per executorThe version I used is 1.3.0-cdh5.1.0.The job is reading from a directory on HDFS (with files incomingcontinu...
   Author: Chen Song, 2015-03-27, 19:25
FetchFailedException during shuffle - Spark - [mail # user]
...Using spark 1.3.0 on cdh5.1.0, I was running a fetch failed exception.I searched in this email list but not found anything like this reported.What could be the reason for the error?org.apach...
   Author: Chen Song, 2015-03-27, 01:48
[expand - 1 more] - Re: shuffle write size - Spark - [mail # user]
...Anyone can shed some light on this?On Tue, Mar 17, 2015 at 5:23 PM, Chen Song  wrote:Chen Song ...
   Author: Chen Song, 2015-03-27, 01:38
[SPARK-6395] Rebuild the schema from a GenericRow - Spark - [issue]
...Sometimes we need the schema of the row, but GenericRow doesn't contain schema information. So we need a method such as  val schema = ScalaReflection.rebuildSchema(row)...
http://issues.apache.org/jira/browse/SPARK-6395    Author: Chen Song, 2015-03-20, 01:26
hbase compaction stuck - HBase - [mail # user]
...We ran a hbase cluser with version 0.98.1+cdh5.1.0 and with autocompaction. I have noticed a few times that compaction stuck under thefollowing circumstances.1. Some server in the cluster is...
   Author: Chen Song, 2015-03-16, 14:55
org.apache.spark.SparkException Error sending message - Spark - [mail # user]
...When I ran Spark SQL query (a simple group by query) via hive support, Ihave seen lots of failures in map phase.I am not sure if that is specific to Spark SQL or general.Any one has seen suc...
   Author: Chen Song, 2015-03-13, 22:38
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NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB