Member since
04-16-2019
373
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7
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4
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My Accepted Solutions
Title | Views | Posted |
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23815 | 10-16-2018 11:27 AM | |
7894 | 09-29-2018 06:59 AM | |
1207 | 07-17-2018 08:44 AM | |
6691 | 04-18-2018 08:59 AM |
05-30-2019
06:29 PM
I have more than 350 regions per region server and as result it has to created one alert in ambari . There is way to increase regionsize and reduce number of regions but I am not sure about performance after the increment of size of region. What are optimal ways to reduce number of regions per regionserver.
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Apache Ambari
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Apache HBase
04-16-2019
11:09 PM
kakfa leader not available I have added 1 more broker earlier kafka has 3 brokers , producer is throwing an error ;
WARN clients.NetworkClient: Error while fetching metadata with correlation id 5493 : {amoll=LEADER_NOT_AVAILABLE}
I have checked advertised.host.name and I see kafka broker default group and kafka broker1 group there .
Kind Regards
Amol
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Apache Kafka
04-12-2019
11:55 AM
how does sentry differ from ranger ? what are the things We can not achieve with using sentry and that is achievable from ranger and vice-versa.
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Apache Ranger
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Apache Sentry
02-20-2019
06:25 AM
I am trying to fetch results data stored in hive orc table , but when I run the query it gives results fast but When I run the with limit clause it is taking too much of time . select * from tablename where year="2019" and month="jan-mar" ; - Runs perfectly within 30-40secs select * from tablename limit 10; - Gets stuck
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Apache Hadoop
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Apache Hive
10-23-2018
02:00 PM
I want to run distcp job copying huge data from source cluster to destination cluster , how can i increase the performance or speed of the distcp job ?
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Apache Hadoop
10-16-2018
11:27 AM
I am able to import import spark.implicits._ , earlier i was using spark1 but launching spark2 solved the problem.
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10-11-2018
07:15 AM
also I get below error too : scala> val spark = SparkSession.builder().enableHiveSupport().getOrCreate()
<console>:30: error: not found: value SparkSession
val spark = SparkSession.builder().enableHiveSupport().getOrCreate(
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10-11-2018
05:00 AM
I am using spark shell , my os is centos6 when i am trying to import spark.implicits._ , i get below error: <console>:30: error: not found: value spark
import spark.implicits._
^
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Apache Spark
10-03-2018
06:09 AM
I am running the spark job which is leading to failure of job with the error no space left on the device however there is enough space available in the device . i have checked with df -h and df -i command and no issue with the space I see . Caused by: org.apache.spark.SparkException: Job aborted due to stage failure: Task 656 in stage 11.0 failed 4 times, most recent failure: Lost task 656.3 in stage 11.0 (TID 680, I<workernode>): java.io.IOException: No space left on device
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Apache Spark
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Apache YARN
10-01-2018
02:26 PM
Geoffrey Shelton Okot Thanks for the reply !!! but i was interested in knowing what password ambari use for the service like hdfs , hbase etc . Providing the admin password allows amabri to generate keytabs for the service user but internally it would be using some password at service level .
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