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temporarily disable hot read detection on the storage servers because it is causing a 3% to 5% performance regression in read heavy workloads

This commit is contained in:
Evan Tschannen 2020-08-31 09:30:51 -07:00
parent 808f8309b1
commit fa306e07fd
1 changed files with 1 additions and 1 deletions
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fdbserver/Knobs.cpp
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@ -534,7 +534,7 @@ void ServerKnobs::initialize(bool randomize, ClientKnobs* clientKnobs, bool isSi
init( BYTES_READ_UNITS_PER_SAMPLE, 100000 ); // 100K bytes
init( READ_HOT_SUB_RANGE_CHUNK_SIZE, 10000000); // 10MB
init( EMPTY_READ_PENALTY, 20 ); // 20 bytes
init( READ_SAMPLING_ENABLED, true ); if ( randomize && BUGGIFY ) READ_SAMPLING_ENABLED = false;// enable/disable read sampling
init( READ_SAMPLING_ENABLED, false ); if ( randomize && BUGGIFY ) READ_SAMPLING_ENABLED = true;// enable/disable read sampling
//Storage Server
init( STORAGE_LOGGING_DELAY, 5.0 );