https://github.com/epickrram/journalling-benchmark

Microbenchmark for comparing the cost of seek/write vs pwrite from Java
https://github.com/epickrram/journalling-benchmark

Last synced: about 2 months ago
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Microbenchmark for comparing the cost of seek/write vs pwrite from Java

• Host: GitHub
• URL: https://github.com/epickrram/journalling-benchmark
• Owner: epickrram
• License: apache-2.0
• Created: 2015-06-05T07:25:22.000Z (almost 10 years ago)
• Default Branch: master
• Last Pushed: 2015-12-02T13:19:18.000Z (over 9 years ago)
• Last Synced: 2023-04-05T22:09:13.370Z (about 2 years ago)
• Language: Java
• Homepage: http://epickrram.blogspot.co.uk/2015/07/seek-write-vs-pwrite.html
• Size: 78.1 KB
• Stars: 8
• Watchers: 3
• Forks: 6
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

        
# journalling-benchmark

Usage

=====

1. clone this repository

2. run ./gradlew bundleJar

3. run java -jar ./build/libs/journalling-benchmark-all-0.0.3.jar -h

Parameters

==========

* -j - number of journals to write

* -d - target directory for journals

* -i - measurement iterations

* -s - file size (bytes)

* -c - cpu affinity for journaller thread (default none)

* -f - output format (SHORT|LONG|DETAIL)

* -w - number of times to write the same block

* -t - journaller type

    * seek: RandomAccessFile seek/write

    * pwrite: FileChannel write