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added a separate knob for tlog’s recoverMemoryLimit

This commit is contained in:
Evan Tschannen 2018-08-21 21:11:23 -07:00
parent cb60002944
commit d7c01f0419
3 changed files with 3 additions and 1 deletions
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1
fdbserver/Knobs.cpp
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@ -329,6 +329,7 @@ ServerKnobs::ServerKnobs(bool randomize, ClientKnobs* clientKnobs) {
init( SPRING_BYTES_TLOG, 400e6 ); if( smallTlogTarget ) SPRING_BYTES_TLOG = 200e3;
init( TLOG_SPILL_THRESHOLD, 1500e6 ); if( smallTlogTarget ) TLOG_SPILL_THRESHOLD = 1500e3; if( randomize && BUGGIFY ) TLOG_SPILL_THRESHOLD = 0;
init( TLOG_HARD_LIMIT_BYTES, 3000e6 ); if( smallTlogTarget ) TLOG_HARD_LIMIT_BYTES = 3000e3;
init( TLOG_RECOVER_MEMORY_LIMIT, TARGET_BYTES_PER_TLOG + SPRING_BYTES_TLOG );
init( MAX_TRANSACTIONS_PER_BYTE, 1000 );

1
fdbserver/Knobs.h
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@ -267,6 +267,7 @@ public:
double SPRING_BYTES_TLOG;
int64_t TLOG_SPILL_THRESHOLD;
int64_t TLOG_HARD_LIMIT_BYTES;
int64_t TLOG_RECOVER_MEMORY_LIMIT;
double MAX_TRANSACTIONS_PER_BYTE;

2
fdbserver/TLogServer.actor.cpp
View File

@ -1757,7 +1757,7 @@ ACTOR Future<Void> restorePersistentState( TLogData* self, LocalityData locality
state Future<Void> allRemoved = waitForAll(removed);
state UID lastId = UID(1,1); //initialized so it will not compare equal to a default UID
state double recoverMemoryLimit = SERVER_KNOBS->TARGET_BYTES_PER_TLOG + SERVER_KNOBS->SPRING_BYTES_TLOG;
state double recoverMemoryLimit = SERVER_KNOBS->TLOG_RECOVER_MEMORY_LIMIT;
if (BUGGIFY) recoverMemoryLimit = std::max<double>(SERVER_KNOBS->BUGGIFY_RECOVER_MEMORY_LIMIT, SERVER_KNOBS->TLOG_SPILL_THRESHOLD);
try {