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Fix RemoteStore::addToStore() latency

Browse source 
Since 6185d25e52, this was very
latency-bound since it required a round-trip for every 32 KiB. So for
example copying a 514 MiB closure over a virtual ethernet device with
a articial delay of just 1 ms took 343s. Now it takes 2.7s.

Fixes #3372.
This commit is contained in:
Eelco Dolstra 2020-07-29 00:48:39 +02:00
parent c159f48a39
commit 4c0077a07d
3 changed files with 154 additions and 19 deletions
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2
src/libstore/worker-protocol.hh
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@ -6,7 +6,7 @@ namespace nix {
#define WORKER_MAGIC_1 0x6e697863
#define WORKER_MAGIC_2 0x6478696f
#define PROTOCOL_VERSION 0x116
#define PROTOCOL_VERSION 0x117
#define GET_PROTOCOL_MAJOR(x) ((x) & 0xff00)
#define GET_PROTOCOL_MINOR(x) ((x) & 0x00ff)