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tuned resolver balancing to keep the resolvers within 5MB per second of each other

This commit is contained in:
Evan Tschannen 2018-11-11 23:42:45 -08:00
parent 50f481b149
commit 536ee826da
3 changed files with 4 additions and 2 deletions
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3
fdbserver/Knobs.cpp
View File

@ -261,8 +261,9 @@ ServerKnobs::ServerKnobs(bool randomize, ClientKnobs* clientKnobs) {
// masterCommitter() in the master server will allow lower priority tasks (e.g. DataDistibution)
// by delay()ing for this amount of time between accepted batches of TransactionRequests.
init( COMMIT_SLEEP_TIME, 0.0001 ); if( randomize && BUGGIFY ) COMMIT_SLEEP_TIME = 0;
init( KEY_BYTES_PER_SAMPLE, 5e4 );
init( MIN_BALANCE_TIME, 0.2 );
init( MIN_BALANCE_DIFFERENCE, 10000 );
init( MIN_BALANCE_DIFFERENCE, 5e6 );
init( SECONDS_BEFORE_NO_FAILURE_DELAY, 8 * 3600 );
init( MAX_TXS_SEND_MEMORY, 1e7 ); if( randomize && BUGGIFY ) MAX_TXS_SEND_MEMORY = 1e5;
init( MAX_RECOVERY_VERSIONS, 200 * VERSIONS_PER_SECOND );

1
fdbserver/Knobs.h
View File

@ -211,6 +211,7 @@ public:
double MAX_RECOVERY_TIME;
// Resolver
int64_t KEY_BYTES_PER_SAMPLE;
int64_t SAMPLE_OFFSET_PER_KEY;
double SAMPLE_EXPIRATION_TIME;
double SAMPLE_POLL_TIME;

2
fdbserver/Resolver.actor.cpp
View File

@ -44,7 +44,7 @@ struct ProxyRequestsInfo {
namespace{
struct Resolver : ReferenceCounted<Resolver> {
Resolver( UID dbgid, int proxyCount, int resolverCount )
: dbgid(dbgid), proxyCount(proxyCount), resolverCount(resolverCount), version(-1), conflictSet( newConflictSet() ), iopsSample( SERVER_KNOBS->IOPS_UNITS_PER_SAMPLE ), debugMinRecentStateVersion(0)
: dbgid(dbgid), proxyCount(proxyCount), resolverCount(resolverCount), version(-1), conflictSet( newConflictSet() ), iopsSample( SERVER_KNOBS->KEY_BYTES_PER_SAMPLE ), debugMinRecentStateVersion(0)
{
}
~Resolver() {