[ipxe-devel] iPXE Prebuilt binary web interface

Michael Brown mbrown at fensystems.co.uk
Fri Jan 4 13:31:03 GMT 2013


On Friday 04 Jan 2013 12:43:57 Robin Smidsrød wrote:
> What do you do when multiple web users want different revisions at the
> same time? You obviously need to either do concurrent compiles in
> separate work dirs, or put the jobs in a queue and wait for the first to
> finish before starting the next.

Concurrent compiles in separate working directories.  A new working directory 
is created for each request, on a tmpfs filesystem.  Checking out the git tree 
takes around 0.02s.

There is minimal locking involved: there's a single lock controlling access to 
the list of cached revisions, which is held for as short a time as necessary; 
it's not held for the duration of the build.  Everything else can run 
concurrently.

Michael


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