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Fw: Your Application has been Received - Spark - [mail # user]
...Bar123      On Monday, 10 August 2015, 20:20, Resourcing Team  wrote:     Dear Shing Hing,Thank you for applying to Barclays. We have received your applica...
   Author: Shing Hing Man, 2015-08-10, 19:21
[expand - 1 more] - How to read avro in SparkR - Spark - [mail # user]
...Hi,  I am trying to read a avro file in SparkR (in Spark 1.4.0).I started R using the following.matmsh@gauss:~$ sparkR --packages com.databricks:spark-avro_2.10:1.0.0Inside the R shell, when...
   Author: Shing Hing Man, 2015-06-13, 16:55
[expand - 1 more] - Re: How to skip corrupted avro files - Spark - [mail # user]
...Thanks for the info !Shing      On Tuesday, 5 May 2015, 15:11, Imran Rashid  wrote:    You might be interested in https://issues.apache.org/jira/brows...
   Author: Shing Hing Man, 2015-05-05, 16:17
[expand - 1 more] - org.apache.avro.AvroRuntimeException: java.io.IOException: Invalid sync! - Avro - [mail # user]
...Hi,  I tried to convert an avro file using java -jar avro-tools-1.7.7.jar tojson myAvro.avro But I get following exception:rn1DUtgLcovmF0VhaAEsP2Jsvn3csbH15Ayf34Ulibh-DkpCRIgRhq7T-SwsqWCuhjm...
   Author: Shing Hing Man, 2015-04-11, 14:02
How to create data frame from an avro file in  Spark 1.3.0 - Spark - [mail # user]
...In spark-avro 0.1,  the method AvroContext.avroFile  returns a SchemaRDD, which is deprecated in Spark 1.3.0 package com.databricks.sparkimport org.apache.spark.sql.{SQLContext, SchemaRDD}pa...
   Author: Shing Hing Man, 2015-03-14, 20:18
How to query Spark master for cluster status ? - Spark - [mail # user]
...Hi,  I am using Spark 1.2.  The Spark master UI has a status.Is there a web service on the Spark master that returns the status of the cluster in Json ?Alternatively, what is the best way to...
   Author: Shing Hing Man, 2015-01-15, 13:05
Re: ScalaReflectionException when using saveAsParquetFile in sbt - Spark - [mail # user]
...I have the same exception when I run the following example fromSpark SQL Programming Guide - Spark 1.2.0 Documentation|   ||   |   |   |   |   || Spark SQL Programming Guide - Spark 1.2.0 Do...
   Author: Shing Hing Man, 2015-01-11, 12:45
How to autogenerate timestamp with Spark Cassandra connector - Cassandra - [mail # user]
...Hi,I am trying to insert into the following column family using Spark Cassandra connector. CREATE TABLE myks.mycf (id bigint,msg text,type text,ts, timestamp,primary key (id, msg)) Is there ...
   Author: Shing Hing Man, 2014-11-11, 13:15
[expand - 2 more] - Apache  Cassandra 2.1.0 :  cassandra-stress performance discrepancy between SSD and SATA drive - Cassandra - [mail # user]
...Hi,  I have run   cassandra-stress write and  cassandra-stress read  on my office PC and on my home PC. Office PC : Intel Core i7-4479, 8  virtual core, 16G RAM, 500...
   Author: Shing Hing Man, 2014-09-26, 21:39
Cassandra 2.0.5 : *-jb-27-Data.db (No such file or directory) - Cassandra - [mail # user]
...Hi,   I am running Cassandra 2.0.5 on my PC (with just one node and the default cassandra.yaml). I have inserted  one million rows into a column family (each row has a int key...
   Author: Shing Hing Man, 2014-09-08, 15:23
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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