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arangodb
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Updated plain cache to properly count evictions.

This commit is contained in:
Dan Larkin 2017-05-30 13:04:30 -04:00
parent 99d8180d94
commit a4aa1eedd2
1 changed files with 5 additions and 3 deletions
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8
arangod/Cache/PlainCache.cpp
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@ -42,7 +42,7 @@ using namespace arangodb::cache;
Finding PlainCache::find(void const* key, uint32_t keySize) { Finding PlainCache::find(void const* key, uint32_t keySize) {
TRI_ASSERT(key != nullptr); TRI_ASSERT(key != nullptr);
Finding result(nullptr); Finding result;
uint32_t hash = hashKey(key, keySize); uint32_t hash = hashKey(key, keySize);
bool ok; bool ok;
@ -51,7 +51,7 @@ Finding PlainCache::find(void const* key, uint32_t keySize) {
std::tie(ok, bucket, source) = getBucket(hash, Cache::triesFast); std::tie(ok, bucket, source) = getBucket(hash, Cache::triesFast);
if (ok) { if (ok) {
result.reset(bucket->find(hash, key, keySize)); result.set(bucket->find(hash, key, keySize));
recordStat(result.found() ? Stat::findHit : Stat::findMiss); recordStat(result.found() ? Stat::findHit : Stat::findMiss);
bucket->unlock(); bucket->unlock();
endOperation(); endOperation();
@ -96,8 +96,10 @@ bool PlainCache::insert(CachedValue* value) {
bool eviction = false; bool eviction = false;
if (candidate != nullptr) { if (candidate != nullptr) {
bucket->evict(candidate, true); bucket->evict(candidate, true);
if (!candidate->sameKey(value->key(), value->keySize)) {
eviction = true;
}
freeValue(candidate); freeValue(candidate);
eviction = true;
} }
bucket->insert(hash, value); bucket->insert(hash, value);
inserted = true; inserted = true;