54 lines
1.2 KiB
C
54 lines
1.2 KiB
C
//
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// Logconst.h
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//
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// Log manager global constants
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//
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#ifndef __LOGCONST__H__
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#define __LOGCONST__H__
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// ===============================
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// CONSTANTS:
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// ===============================
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#define MIN_LOG_TIMER_INTERVAL 5 //milliseconds
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#define DEFAULT_LOG_TIMER_INTERVAL 10 //milliseconds
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#define MAX_LOG_TIMER_INTERVAL ((ULONG) -1) //milliseconds
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#define MIN_LOG_FLUSH_INTERVAL 5 //milliseconds
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#define DEFAULT_LOG_FLUSH_INTERVAL 50 //milliseconds
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#define MAX_LOG_FLUSH_INTERVAL 1000 //milliseconds
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#define MIN_LOG_CHKPT_INTERVAL 100 //milliseconds
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#define DEFAULT_LOG_CHKPT_INTERVAL 50000 //milliseconds
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#define MAX_LOG_CHKPT_INTERVAL ((ULONG) -1) //milliseconds
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#define MAX_OUTSTANDING_CHKPT 25
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#define MIN_LOG_BUFFERS 50
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#define MAX_LOG_BUFFERS 500
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#define DEFAULT_LOG_BUFFERS 200
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#define INIT_GENERATION_NO 1
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#define MIN_GENERATION_NO 2
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#define MINFORCEFLUSH 20 //percentage of outstanding asynch writes threshold for forcing flush
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#define MINFLUSHCOUNT 3 // minimum number of writes outstanding to force flush
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#define LOGMGRSAVEDSPACE 4 //number of pages to "save" for the logmgr
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#endif
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