JRuby

File writing is slower in JRuby than MRI

Details

  • Type: Bug Bug
  • Status: Resolved Resolved
  • Priority: Major Major
  • Resolution: Fixed
  • Affects Version/s: None
  • Fix Version/s: JRuby 1.7.0.pre1
  • Component/s: Performance
  • Labels:
    None
  • Number of attachments :
    3

Description

I just added a new benchmark called test/bench/bench_file_writing.rb that duplicates the way Rails log flushing works. JRuby is between 120% and 200% slower than MRI in most cases. This adds up to the Rails dark matter.

  1. Text File
    add_lseek.patch
    07/Feb/09 5:59 PM
    8 kB
    Charles Oliver Nutter
  2. Text File
    append.patch
    10/Jul/08 3:00 AM
    9 kB
    Wayne Meissner
  3. Text File
    lseek_to_avoid_filechannel_size.patch
    07/Feb/09 5:59 PM
    23 kB
    Charles Oliver Nutter

Activity

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Wayne Meissner made changes -
Field Original Value New Value
Attachment append.patch [ 35740 ]
Charles Oliver Nutter made changes -
Attachment lseek_to_avoid_filechannel_size.patch [ 39868 ]
Attachment add_lseek.patch [ 39869 ]
Charles Oliver Nutter made changes -
Status Open [ 1 ] Resolved [ 5 ]
Assignee Charles Oliver Nutter [ headius ]
Fix Version/s JRuby 1.7 [ 17049 ]
Resolution Fixed [ 1 ]

People

  • Assignee:
    Charles Oliver Nutter
    Reporter:
    Ola Bini
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Dates

  • Created:
    Updated:
    Resolved: