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Code Issues Releases Activity

better syncdelay log msg

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This commit is contained in:
Dwight 2010-06-29 15:14:00 -04:00
parent 8ca831e272
commit 5d410c4c8c
1 changed files with 7 additions and 2 deletions
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9
db/db.cpp
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@ -474,7 +474,12 @@ sendmore:
public:
string name() { return "DataFileSync"; }
void run(){
log(1) << "will flush memory every: " << _sleepsecs << " seconds" << endl;
if( _sleepsecs == 0 )
log() << "warning: --syncdelay 0 is not recommended and can have strange performance" << endl;
else if( _sleepsecs == 1 )
log() << "--syncdelay 1" << endl;
else if( _sleepsecs != 60 )
log(1) << "--syncdelay " << _sleepsecs << endl;
int time_flushing = 0;
while ( ! inShutdown() ){
if ( _sleepsecs == 0 ){
@ -691,7 +696,7 @@ int main(int argc, char* argv[], char *envp[] )
("upgrade", "upgrade db if needed")
("repair", "run repair on all dbs")
("notablescan", "do not allow table scans")
("syncdelay",po::value<double>(&dataFileSync._sleepsecs)->default_value(60), "seconds between disk syncs (0 for never)")
("syncdelay",po::value<double>(&dataFileSync._sleepsecs)->default_value(60), "seconds between disk syncs (0=never, but not recommended)")
("profile",po::value<int>(), "0=off 1=slow, 2=all")
("slowms",po::value<int>(&cmdLine.slowMS)->default_value(100), "value of slow for profile and console log" )
("maxConns",po::value<int>(), "max number of simultaneous connections")