Spark patch #139
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Spark patch #139
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nickitat
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Sep 23, 2023
spark/.gitkeep
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looks like this file could be removed
| StructField("RefererHash", LongType, nullable = false), | ||
| StructField("URLHash", LongType, nullable = false), | ||
| StructField("CLID", IntegerType, nullable = false)) | ||
| ) |
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there is no way to create an index, right?
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Yes, no index support
https://spark.apache.org/docs/1.4.0/api/java/org/apache/spark/sql/types/StructField.html
| val timeElapsed = (end - start) / 1000000 | ||
| println(s"Query $itr | Time: $timeElapsed ms") | ||
| itr += 1 | ||
| }) |
spark/benchmark.sh
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| # For Spark3.0.1 installation: | ||
| # wget --continue https://downloads.apache.org/spark/spark-3.0.1/spark-3.0.1-bin-hadoop2.7.tgz | ||
| # tar -xzf spark-3.0.1-bin-hadoop2.7.tgz |
spark/benchmark.sh
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| wget --continue 'https://datasets.clickhouse.com/hits_compatible/hits.tsv.gz' | ||
| #gzip -d hits.tsv.gz | ||
| chmod 777 ~ hits.tsv | ||
| $HADOOP_HOME/bin/hdfs dfs -put hits.tsv / |
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But how do I set this variable?
$ echo $HADOOP_HOME
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I cannot find it:
find spark-3.5.0-bin-hadoop3 -name hdfs
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Added Spark & HDFS deployment details in benchmark.sh script. Added example of log.txt file from HPC-environment. |
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The script Should be: |
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Updated Spark&HDFS directories creation |
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I started editing your script to make it self-sufficient, but after fixing the errors, it does not work.
Then: PS. The current version of the script is: |
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@alexey-milovidov We assume that there is passless ssh connection defined on localhost (in other words, if we will use Please clarify the next details:
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I do it in this way: create a fresh VM on AWS and run the commands one by one. |
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@DoubleMindy, let's continue. |
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Added full HDFS deployment, on "fresh" VM there is no problem with file putting |
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Sorry, but the script still does not reproduce. I'm copy-pasting the commands one by one, and getting this: |
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We need a reproducible script to install Spark. It should run by itself. |
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