NixOS/hydra
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queue-runner: try larger pipe buffer sizes

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(cherry picked from commit 18466e8326)
This commit is contained in:
Pierre Bourdon 2024-02-22 14:45:17 +01:00 committed by John Ericson
parent 559376e907
commit 5728011da1
1 changed files with 12 additions and 1 deletions
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13
src/hydra-queue-runner/build-remote.cc
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@ -54,9 +54,20 @@ static std::unique_ptr<SSHMaster::Connection> openConnection(
command.splice(command.end(), extraStoreArgs(machine->sshName));
}
return master.startCommand(std::move(command), {
auto ret = master.startCommand(std::move(command), {
"-a", "-oBatchMode=yes", "-oConnectTimeout=60", "-oTCPKeepAlive=yes"
});
// XXX: determine the actual max value we can use from /proc.
// FIXME: Should this be upstreamed into `startCommand` in Nix?
int pipesize = 1024 * 1024;
fcntl(ret->in.get(), F_SETPIPE_SZ, &pipesize);
fcntl(ret->out.get(), F_SETPIPE_SZ, &pipesize);
return ret;
}