Re: [naviserver-devel] Questions about NS details... (scalability, lib changes)

[Vlad S. <vl...@cr...>]

> 
> is 5 vs 2 a typo...?  Also, what constitutes "large files" in this
> situation - is it the "writersize" argument, or is there something
> else?  I am nor sure how "async IO" compares to sendfile(2) - can you
> please comment on this?

Typo,

Yes, writersize define the size of the file should be greater than this, 
then writer thread will use it for sending.
Async IO i mean, writer thread does loop and sends as much as possible 
chunks from the files, same way as driver thread reads multiple chunks 
of requests from multiple clients. sendfile blocks, so you will need 10 
threads for 10 clients at the same time, in case of writer thread, it 
can alone transfer 10 files to 10 clients. May be it will be slower in 
each single case comparing to sendfile but overall it does it fast enough.


>>> Does a mechanism exist to "reload" the tcl libraries on a live server?
> 
> what I mean by this is not the cache - but the initial tcl library
> loaded at server startup.  I would like to know if it's possible to
> somehow reload this without shutting down the entire web server.
> 
> 
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-- 
Vlad Seryakov
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vl...@cr...
http://www.crystalballinc.com/vlad/