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Cache .narinfo lookups

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This commit is contained in:
Eelco Dolstra
2016-02-19 16:19:40 +01:00
parent a0f74047da
commit bd76f9120a
5 changed files with 115 additions and 5 deletions
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24
src/hydra-queue-runner/binary-cache-store.cc
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@@ -1,4 +1,5 @@
#include "binary-cache-store.hh"
#include "sync.hh"
#include "archive.hh"
#include "compression.hh"
@@ -93,18 +94,33 @@ void BinaryCacheStore::addToCache(const ValidPathInfo & info,
NarInfo BinaryCacheStore::readNarInfo(const Path & storePath)
{
{
auto state_(state.lock());
auto res = state_->narInfoCache.get(storePath);
if (res) {
stats.narInfoReadAverted++;
return **res;
}
}
stats.narInfoRead++;
auto narInfoFile = narInfoFileFor(storePath);
auto narInfo = NarInfo(getFile(narInfoFile), narInfoFile);
assert(narInfo.path == storePath);
auto narInfo = make_ref<NarInfo>(getFile(narInfoFile), narInfoFile);
assert(narInfo->path == storePath);
if (publicKeys) {
if (!narInfo.checkSignature(*publicKeys))
if (!narInfo->checkSignature(*publicKeys))
throw Error(format("invalid signature on NAR info file ‘%1%’") % narInfoFile);
}
return narInfo;
{
auto state_(state.lock());
state_->narInfoCache.upsert(storePath, narInfo);
stats.narInfoCacheSize = state_->narInfoCache.size();
}
return *narInfo;
}
bool BinaryCacheStore::isValidPath(const Path & storePath)