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Enlarge the SQLite database cache intelligently.

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This commit is contained in:
JoelKatz
2013-03-19 23:04:47 -07:00
parent d5a2c96907
commit 5494bc3158
8 changed files with 39 additions and 10 deletions
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6
src/cpp/ripple/Application.cpp
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@@ -24,8 +24,11 @@ LogPartition TaggedCachePartition("TaggedCache");
LogPartition AutoSocketPartition("AutoSocket");
Application* theApp = NULL;
int DatabaseCon::sCount = 0;
DatabaseCon::DatabaseCon(const std::string& strName, const char *initStrings[], int initCount)
{
++sCount;
boost::filesystem::path pPath = (theConfig.RUN_STANDALONE && (theConfig.START_UP != Config::LOAD))
? "" // Use temporary files.
: (theConfig.DATA_DIR / strName); // Use regular db files.
@@ -172,6 +175,9 @@ void Application::setup()
mLedgerMaster.tune(theConfig.getSize(siLedgerSize), theConfig.getSize(siLedgerAge));
mLedgerMaster.setMinValidations(theConfig.VALIDATION_QUORUM);
theApp->getHashNodeDB()->getDB()->executeSQL(boost::str(boost::format("PRAGMA cache_size=-%d;") %
(theConfig.getSize(siDBCache) * 1024)));
//
// Allow peer connections.
//

6
src/cpp/ripple/Application.h
View File

@@ -36,12 +36,14 @@ class DatabaseCon
protected:
Database* mDatabase;
boost::recursive_mutex mLock;
static int sCount;
public:
DatabaseCon(const std::string& name, const char *initString[], int countInit);
~DatabaseCon();
Database* getDB() { return mDatabase; }
boost::recursive_mutex& getDBLock() { return mLock; }
Database* getDB() { return mDatabase; }
boost::recursive_mutex& getDBLock() { return mLock; }
static int getCount() { return sCount; }
};
class Application

5
src/cpp/ripple/Config.cpp
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@@ -486,7 +486,7 @@ void Config::load()
int Config::getSize(SizedItemName item)
{
SizedItem sizeTable[] = {
SizedItem sizeTable[] = { // tiny small medium large huge
{ siSweepInterval, { 10, 30, 60, 90, 90 } },
{ siLedgerFetch, { 2, 2, 3, 4, 5 } },
{ siValidationsSize, { 256, 256, 512, 1024, 1024 } },
@@ -496,7 +496,8 @@ int Config::getSize(SizedItemName item)
{ siLedgerSize, { 32, 64, 128, 1024, 0 } },
{ siLedgerAge, { 30, 60, 120, 300, 600 } },
{ siLineCacheSize, { 8192, 32768, 131072, 1048576, 0 } },
{ siLineCacheAge, { 500, 600, 1800, 3600, 7200 } }
{ siLineCacheAge, { 500, 600, 1800, 3600, 7200 } },
{ siDBCache, { 8, 12, 24, 64, 96 } },
};
for (int i = 0; i < (sizeof(sizeTable) / sizeof(SizedItem)); ++i)

3
src/cpp/ripple/Config.h
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@@ -64,7 +64,8 @@ enum SizedItemName
siLedgerAge,
siLedgerFetch,
siLineCacheSize,
siLineCacheAge
siLineCacheAge,
siDBCache
};
struct SizedItem

14
src/cpp/ripple/RPCHandler.cpp
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@@ -2021,9 +2021,19 @@ Json::Value RPCHandler::doGetCounts(Json::Value jvRequest, int& cost)
BOOST_FOREACH(InstanceType::InstanceCount& it, count)
ret[it.first] = it.second;
int dbKB = theApp->getLedgerDB()->getDB()->getKBUsed();
int dbKB = theApp->getLedgerDB()->getDB()->getKBUsedAll();
if (dbKB > 0)
ret["dbKB"] = dbKB;
ret["dbKBTotal"] = dbKB;
dbKB = theApp->getLedgerDB()->getDB()->getKBUsedDB();
if (dbKB > 0)
ret["dbKBLedger"] = dbKB;
dbKB = theApp->getHashNodeDB()->getDB()->getKBUsedDB();
if (dbKB > 0)
ret["dbKBHashNode"] = dbKB;
dbKB = theApp->getTxnDB()->getDB()->getKBUsedDB();
if (dbKB > 0)
ret["dbKBTransaction"] = dbKB;
std::string uptime;
int s = upTime();