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Merge pull request #4578 from dlambrig/knob 

add SYSTEM_MONITOR_FREQUENCY knob.
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Dan Lambright 2021-03-26 13:52:29 -04:00 committed by GitHub
parent a8601024dd bd68591ea2
commit 244c537bc6
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 3 additions and 1 deletions
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1
fdbserver/Knobs.cpp
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@ -492,6 +492,7 @@ void ServerKnobs::initialize(bool randomize, ClientKnobs* clientKnobs, bool isSi
init( MAX_REBOOT_TIME, 5.0 ); if( longReboots ) MAX_REBOOT_TIME = 20.0;
init( LOG_DIRECTORY, "."); // Will be set to the command line flag.
init( SERVER_MEM_LIMIT, 8LL << 30 );
init( SYSTEM_MONITOR_FREQUENCY, 5.0 );
//Ratekeeper
bool slowRatekeeper = randomize && BUGGIFY;

1
fdbserver/Knobs.h
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@ -416,6 +416,7 @@ public:
double MAX_REBOOT_TIME;
std::string LOG_DIRECTORY;
int64_t SERVER_MEM_LIMIT;
double SYSTEM_MONITOR_FREQUENCY;
// Ratekeeper
double SMOOTHING_AMOUNT;

2
fdbserver/fdbserver.actor.cpp
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@ -464,7 +464,7 @@ Future<Void> startSystemMonitor(std::string dataFolder,
SystemMonitorMachineState(dataFolder, dcId, zoneId, machineId, g_network->getLocalAddress().ip));
systemMonitor();
return recurring(&systemMonitor, 5.0, TaskPriority::FlushTrace);
return recurring(&systemMonitor, SERVER_KNOBS->SYSTEM_MONITOR_FREQUENCY, TaskPriority::FlushTrace);
}
void testIndexedSet();