Will try this, but even if I do this. My understanding was even though
log4net will write once buffer reached 4K, it will retain the %d from
ConversionPattern layout of the time it was issued the log.Debug? Is that
the time it flushes to disk or when the log.Debug was issued?
Ron Grabowski wrote:
>
> Log4net is using whatever defaults the FileStream has for efficient IO. Do
> you know what FileStream settings will make your writes faster? If so, you
> can just pass those in yourself:
>
> // untested
> public class MyRollingFileAppender : RollingFileAppender
> {
> private int fileStreamBufferSize = 128; // ???
>
> public override void ActivateOptions()
> {
> base.ActivateOptions();
>
> Writer = new StreamWriter(new FileStream(
> File,
> FileMode.Append,
> FileSystemRights.FullControl,
> FileShare.ReadWrite, FileStreamBufferSize,
> FileOptions.WriteThrough),
> Encoding.Default,
> FileStreamBufferSize);
> }
>
> public int FileStreamBufferSize
> {
> get { return fileStreamBufferSize; }
> set { fileStreamBufferSize = value; }
> }
> }
>
> Have you tried setting TextWriterAppender.ImmediateFlush? Can you use
> another appender like the MemoryAppender or a code profiler?
>
>
>
> ----- Original Message ----
> From: NeerajG <[email protected]>
> To: [email protected]
> Sent: Monday, February 2, 2009 10:24:02 PM
> Subject: log4net slowness
>
>
> I have an app which uses log4net currently set to DEBUG level. I use
> RollingFileAppender in our application. I have noticed that log4net
> flushes
> like in 15-16 ms interval. Has anyone seen this before? Is this something
> which is documented? Is there a way that we could reduce that? I want to
> measure some other performance numbers and in this setting which seems to
> be
> dumping every 15 ms its tough to measure performance.
>
> Any suggestions are welcome.
> --
> View this message in context:
> http://www.nabble.com/log4net-slowness-tp21803294p21803294.html
> Sent from the Log4net - Dev mailing list archive at Nabble.com.
>
>
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