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arangodb
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use some parallelism

This commit is contained in:
jsteemann 2017-05-10 13:08:41 +02:00
parent 7aac7de2e4
commit b64645e83b
1 changed files with 8 additions and 0 deletions
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8
lib/ApplicationFeatures/RocksDBOptionFeature.cpp
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@ -32,6 +32,8 @@
#include <rocksdb/options.h>
#include <thread>
using namespace arangodb;
using namespace arangodb::application_features;
using namespace arangodb::options;
@ -71,9 +73,15 @@ RocksDBOptionFeature::RocksDBOptionFeature(
_useDirectWrites(rocksDBDefaults.use_direct_writes),
_useFSync(rocksDBDefaults.use_fsync),
_skipCorrupted(false) {
setOptional(true);
requiresElevatedPrivileges(false);
startsAfter("DatabasePath");
// increase parallelism and re-fetch the number of threads
rocksDBDefaults.IncreaseParallelism(std::thread::hardware_concurrency());
_numThreadsHigh = rocksDBDefaults.max_background_flushes;
_numThreadsLow = rocksDBDefaults.max_background_compactions;
}
void RocksDBOptionFeature::collectOptions(