#define cpgDatabaseMin 256 #define cpgDatabaseMax (1UL << 19) #define pgnoSystemRoot ((PGNO) 1) #define itagSystemRoot 0 #define szOn "on" #define szSystem "system" #define szTempDir "temp\\" #define szBakExt ".bak" #define szPatExt ".pat" #define szLogExt ".log" #define szChkExt ".chk" #define szRestoreMap "restore.map" #define lGenerationMax 0x100000 #define szAtomicNew "new" #define szAtomicOld "old" #define szLogRes1 "res1" #define szLogRes2 "res2" /* number of pages of system root FDP primary extent /**/ #define cpgSystemPrimary ((CPG) 1) /* discontinuity measurement unit /**/ #define cpgDiscont 16 /* default density /**/ #define ulFILEDefaultDensity 80 // 80% density #define ulFILEDensityLeast 20 // 20% density #define ulFILEDensityMost 100 // 100% density #define dbidTemp ((DBID) 0) #define dbidMin ((DBID) 0) #define dbidUserLeast ((DBID) 1) #define dbidMax ((DBID) 7) /* number of buffer hash table entries /* should be prime /**/ #ifdef DAYTONA #define ipbfMax 2047 #else #define ipbfMax 16383 #endif /* vertical split threshold /**/ #define cbVSplitThreshold 400 /* Engine OBJIDs: /* /* 0..0x10000000 reserved for engine use, divided as follows: /* /* 0x00000000..0x0000FFFF reserved for TBLIDs under RED /* 0x00000000..0x0EFFFFFF reserved for TBLIDs under BLUE /* 0x0F000000..0x0FFFFFFF reserved for container IDs /* 0x10000000 reserved for ObjectId of DbObject /* /* Client OBJIDs begin at 0x10000001 and go up from there. /**/ #define objidNil ((OBJID) 0x00000000) #define objidRoot ((OBJID) 0x0F000000) #define objidTblContainer ((OBJID) 0x0F000001) #define objidDbContainer ((OBJID) 0x0F000002) #define objidDbObject ((OBJID) 0x10000000) #define szVerbose "BLUEVERBOSE" #define szNull "" /* transaction level limits /**/ #define levelMax ((LEVEL)10) // all level < 10 #define levelMost ((LEVEL)9) // max for engine #define levelUserMost ((LEVEL)7) // max for user #define levelMin ((LEVEL)0) /* Start and max waiting period for WaitTillOldest /**/ #define ulStartTimeOutPeriod 20 #define ulMaxTimeOutPeriod 6000 /* 6 seconds */ /* default resource allocation /**/ #define cdabDefault 100 #define cbucketLowerThreshold 1 #define cpageDbExtensionDefault 16 #define cpageSEDefault 16 #define ulThresholdLowDefault 20 #define ulThresholdHighDefault 80 #define cBufGenAgeDefault 2 #define cpibDefault 128 #define cfucbDefault 1024 #define cfcbDefault 300 #define cscbDefault 20 #define cidbDefault (cfcbDefault+cscbDefault) #define cbfDefault 512 #define csecLogBufferDefault 20 #define csecLogFileSizeDefault 5120 #define csecLogFlushThresholdDefault 10 #define cbucketDefault 64 #define lWaitLogFlushDefault 0 #define lLogFlushPeriodDefault 45 #define lLGCheckpointPeriodDefault 1024 #define lLGWaitingUserMaxDefault 3 #define lPageFragmentDefault 8 #define lBufLRUKCorrelationIntervalDefault 0 #define lBufBatchIOMaxDefault 64 #define lPageReadAheadMaxDefault 20 #define lAsynchIOMaxDefault 64 #define cpageTempDBMinDefault 0 /* minimum resource settings are defined below: /**/ #define lMaxBuffersMin 50 #define lAsynchIOMaxMin 8 #define lLogBufferMin csecLogBufferDefault #define lLogFileSizeMin 64 /* resource relationships for derived resources /**/ #define lCSRPerFUCB 2 /* system resource requirements /**/ #define cpibSystem 4 // bm cleanup, backup, ver, Sync OLC #define cbucketSystem 2 /* vertical split minimum in non-FDP page /**/ #define cbVSplitMin 100 /* code page constants /**/ #define usUniCodePage 1200 /* code page for Unicode strings */ #define usEnglishCodePage 1252 /* code page for English */ /* langid and country defaults /**/ #define langidDefault 0x0409 #define countryDefault 1 /* length of modified page list /**/ #define cmpeMax 8192 /* idle processing constants /**/ #define icallIdleBMCleanMax cmpeMax /* wait time for latch/crit conflicts /**/ #define cmsecWaitGeneric 100 #define cmsecWaitWriteLatch 10 #define cmsecWaitLogFlush 1 #define cmsecWaitIOComplete 10 /* initial thread stack sizes /**/ #define cbIOStack 4096 #define cbBMCleanStack 4096 #define cbRCECleanStack 4096 #define cbBFCleanStack 8192 #define cbFlushLogStack 16384 /* preread start threshold. this is the number of reads in the same /* direction before we start prereading /**/ #define cbPrereadThresh 16000 #define lPrereadMost 64