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Posted to issues@commons.apache.org by "Vitalii Tymchyshyn (JIRA)" <ji...@apache.org> on 2012/05/28 14:13:22 UTC
[jira] [Created] (IO-329) FileUtils.writeLines uses unbuffered IO
Vitalii Tymchyshyn created IO-329:
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Summary: FileUtils.writeLines uses unbuffered IO
Key: IO-329
URL: https://issues.apache.org/jira/browse/IO-329
Project: Commons IO
Issue Type: Bug
Components: Streams/Writers
Affects Versions: 2.3
Reporter: Vitalii Tymchyshyn
FileUtils.writeLines looks like next:
out = openOutputStream(file, append);
IOUtils.writeLines(lines, lineEnding, out, encoding);
openOutputStream opens plain FileOutputStream without any buffering and IOUtils.writeLines does not add abyt buffering. This means each line require 2 write syscalls (one for the line and one for line separator). This makes call very slow, especially for short lines
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[jira] [Resolved] (IO-329) FileUtils.writeLines uses unbuffered IO
Posted by "Gary D. Gregory (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/IO-329?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Gary D. Gregory resolved IO-329.
--------------------------------
Resolution: Fixed
Fix Version/s: 2.4
Committed revision 1343253.
> FileUtils.writeLines uses unbuffered IO
> ---------------------------------------
>
> Key: IO-329
> URL: https://issues.apache.org/jira/browse/IO-329
> Project: Commons IO
> Issue Type: Bug
> Components: Streams/Writers
> Affects Versions: 2.3
> Reporter: Vitalii Tymchyshyn
> Fix For: 2.4
>
>
> FileUtils.writeLines looks like next:
> out = openOutputStream(file, append);
> IOUtils.writeLines(lines, lineEnding, out, encoding);
> openOutputStream opens plain FileOutputStream without any buffering and IOUtils.writeLines does not add abyt buffering. This means each line require 2 write syscalls (one for the line and one for line separator). This makes call very slow, especially for short lines
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