MaxGekk edited a comment on issue #23336: [SPARK-26378][SQL] Restore performance of queries against wide CSV/JSON tables URL: https://github.com/apache/spark/pull/23336#issuecomment-457130154 Please, add to the PR updated `JSONBenchmark-results.txt` (and for CSV as well). I mean literally commit the changes in files. You can reproduce the same environment: ``` OpenJDK 64-Bit Server VM 1.8.0_191-b12 on Linux 3.10.0-862.3.2.el7.x86_64 Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz ``` if you run them by using (according @dongjoon-hyun ): ``` - Region: us-west-2 - EC2 Type: r3.xlarge (spot instance) - AMI: ami-3ecc8f46 (this is CentOS7 AMI on us-west-2) - Disk: /dev/sdb (ephemeral0) - JDK: sudo yum install -y git java-1.8.0-openjdk-devel.x86_64 tmux ```
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