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[KAFKA-7470] Thread safe accumulator across all instances - Kafka - [issue]
...Spark has a useful API for accumulating data in a thread safe way https://spark.apache.org/docs/2.3.0/api/scala/index.html#org.apache.spark.util.AccumulatorV2 and comes with some out-of-box ...
http://issues.apache.org/jira/browse/KAFKA-7470    Author: sam , 2018-10-02, 07:32
[KAFKA-7432] API Method on Kafka Streams for processing chunks/batches of data - Kafka - [issue]
...For many situations in Big Data it is preferable to work with a small buffer of records at a go, rather than one record at a time.The natural example is calling some external API that suppor...
http://issues.apache.org/jira/browse/KAFKA-7432    Author: sam , 2018-10-02, 07:32
[BEAM-5512] Dataflow migrates to using shared portability library for user timers - Beam - [issue]
http://issues.apache.org/jira/browse/BEAM-5512    Author: Sam , 2018-09-26, 17:04
[SPARK-24425] Regression from 1.6 to 2.x - Spark no longer respects input partitions, unnecessary shuffle required - Spark - [issue]
...I think this is a regression. We used to be able to easily control the number of output files / tasks based on num files and coalesce. Now I have to use `repartition` to get the desired num ...
http://issues.apache.org/jira/browse/SPARK-24425    Author: sam , 2018-09-20, 17:34
[ZEPPELIN-2137] Relabel checkbox "show line chart with focus" to just "zoom" - Zeppelin - [issue]
...So I recently said to a colleague "wouldn't it be great if Zeppelin had a zoom", he said "it does" and showed me the "show line chart with focus" under settings.  This feature is super ...
http://issues.apache.org/jira/browse/ZEPPELIN-2137    Author: sam , 2018-07-04, 09:06
Welcome Chun-Hung Hsiao as Mesos Committer and PMC Member - Mesos - [mail # user]
...Congrats ChunRegards,Sam Chen | APJ Country Director | DC/OS Evangelist> Build and run modern apps> at scale using DC/OS> On Mar 11, 2018, at 1:14 PM, Jie Yu  wrote:> > ...
   Author: Sam , 2018-03-11, 06:08
[VOTE] Release Apache Mesos 1.5.0 (rc1) - Mesos - [mail # user]
...+1Regards,> > On Jan 23, 2018, at 11:15 AM, Gilbert Song  wrote:> > Hi all,> > Please vote on releasing the following candidate as Apache Mesos 1.5.0.> > 1.5.0 ...
   Author: Sam , 2018-01-23, 05:17
[PARQUET-1129] Cannot build parquet-tools as per instructions - Parquet - [issue]
...If I follow https://github.com/nielsbasjes/parquet-mr/tree/master/parquet-toolsI.e. clone and runcd parquet-tools && mvn clean package -Plocal then I get[INFO] Scanning for projects....
http://issues.apache.org/jira/browse/PARQUET-1129    Author: sam , 2018-01-16, 21:25
[PARQUET-1132] parquet-tools merge does not work nor give any error message - Parquet - [issue]
...When I run java -jar ./parquet-mr/parquet-tools/target/parquet-tools-1.9.1-SNAPSHOT.jar merge $inpath $outpathIt does not work, no matter what combination of $inpath or $outpath I use.It giv...
http://issues.apache.org/jira/browse/PARQUET-1132    Author: sam , 2017-10-10, 13:19
[SPARK-22225] wholeTextFilesIterators - Spark - [issue]
...It is a very common use case to want to preserve a path -> file mapping in an RDD, or read an entire file in one go.  Especially for unstructured data and ETL.Currently wholeTextFile...
http://issues.apache.org/jira/browse/SPARK-22225    Author: sam , 2017-10-10, 08:18