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12 Commits

Author SHA1 Message Date
Eelco Dolstra 8d3dfa2c17 * Avoid expensive conversions from char arrays to STL strings. 2011-12-16 21:29:46 +00:00
Eelco Dolstra e0bd307802 * Make the import operation through the daemon much more efficient 
(way fewer roundtrips) by allowing the client to send data in bigger
  chunks.
* Some refactoring.
 2011-12-16 19:44:13 +00:00
Eelco Dolstra 78598d06f0 * Clean up exception handling. 2011-12-16 15:45:42 +00:00
Eelco Dolstra 5a1b9ed0aa * Refactoring: move sink/source buffering into separate classes. 
* Buffer the HashSink.  This speeds up hashing a bit because it
  prevents lots of calls to the hash update functions (e.g. nix-hash
  went from 9.3s to 8.7s of user time on the closure of my
  /var/run/current-system).
 2011-12-15 16:19:53 +00:00
Eelco Dolstra a3e0656cbb * Buffer reads in FdSource. Together with write buffering, this 
significantly cuts down the number of syscalls (e.g., for "nix-store
  -qR /var/run/current-system" via the daemon, it reduced the number
  of syscalls in the client from 29134 to 4766 and in the daemon from
  44266 to 20666).
 2011-12-15 12:32:08 +00:00
Eelco Dolstra 3a48282b06 * Buffer writes in FdSink. This significantly reduces the number of 
system calls / context switches when dumping a NAR and in the worker
  protocol.
 2011-12-14 23:30:06 +00:00
Eelco Dolstra 77d272623f * NAR archives: handle files larger than 2^32 bytes. Previously it 
would just silently store only (fileSize % 2^32) bytes.
* Use posix_fallocate if available when unpacking archives.
* Provide a better error message when trying to unpack something that
  isn't a NAR archive.
 2009-03-22 17:36:43 +00:00
Eelco Dolstra a72709afd8 * Some refactoring: put the GC options / results in separate structs. 
* The garbage collector now also prints the number of blocks freed.
 2008-06-18 09:34:17 +00:00
Eelco Dolstra bd955e15e1 * GCC 4.3.0 (Fedora 9) compatibility fixes. Reported by Gour and 
Armijn Hemel.
 2008-05-21 11:17:31 +00:00
Eelco Dolstra 0130ef88ea * Daemon mode (`nix-worker --daemon'). Clients connect to the server 
via the Unix domain socket in /nix/var/nix/daemon.socket.  The
  server forks a worker process per connection.
* readString(): use the heap, not the stack.
* Some protocol fixes.
 2006-12-04 17:17:13 +00:00
Eelco Dolstra 0565b5f2b3 * More remote operations. 
* Added new operation hasSubstitutes(), which is more efficient than
  querySubstitutes().size() > 0.
 2006-11-30 22:43:55 +00:00
Eelco Dolstra 40b3f64b55 * Skeleton of the privileged worker program. 
* Some refactoring: put the NAR archive integer/string serialisation
  code in a separate file so it can be reused by the worker protocol
  implementation.
 2006-11-30 19:19:59 +00:00