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authorLudovic Courtès <ludo@gnu.org>2016-12-01 22:53:37 +0100
committerLudovic Courtès <ludo@gnu.org>2016-12-01 23:35:10 +0100
commit9a8f9f84cc1672c45c2d204d9c234c932a8cb623 (patch)
treee900669630be57c9f5eac6081b3b903afd674db9 /scripts
parent0b72475301e20521e0dd9fc22881eaab4a7fe170 (diff)
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daemon: Buffer data sent to clients by the 'export-path' RPC.
Before that we'd have STDERR_WRITE round trips for very small amounts of data, ranging from a few bytes for the metadata of nars to the size of one file being exported. With this change, something like: guix archive --export /gnu/store/5rrsbaghh5ix1vjcicsl60gsxilhjnf2-coreutils-8.25 | dd of=/dev/null reports a throughput of 35 MB/s instead of 25 MB/s before. * nix/nix-daemon/nix-daemon.cc (TunnelSink): Inherit from 'BufferedSink' rather than 'Sink'. Rename 'operator ()' to 'write'. (performOp) <wopExportPath>: Add 'sink.flush' call.
Diffstat (limited to 'scripts')
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