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MCOL-498. Add the knob to disable segment|dict file preallocation. Dict files extension uses fallocate() if possible.

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This commit is contained in:
Roman Nozdrin
2018-03-06 14:20:46 +03:00
parent 1d9f47a55c
commit 81fe7fa1a9
9 changed files with 230 additions and 130 deletions
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5
writeengine/shared/we_fileop.h
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@ -324,13 +324,15 @@ public:
* @param blockHdrInit(in) - data used to initialize each block header
* @param blockHdrInitSize(in) - number of bytes in blockHdrInit
* @param bExpandExtent (in) - Expand existing extent, or initialize new one
* @param bOptExtension (in) - use fallocate() to extend the file if it is possible.
*/
EXPORT int initDctnryExtent( IDBDataFile* pFile,
uint16_t dbRoot,
int nBlocks,
unsigned char* blockHdrInit,
int blockHdrInitSize,
bool bExpandExtent );
bool bExpandExtent,
bool bOptExtension = false );
/**
* @brief Check whether it is an directory
@ -500,6 +502,7 @@ private:
// bNewFile (in) - Adding extent to new file
// bExpandExtent (in) - Expand existing extent, or initialize new one
// bAbbrevExtent (in) - If adding new extent, is it abbreviated
// bOptExtension(in) - use fallocate() to extend the file if it is possible.
int initColumnExtent( IDBDataFile* pFile,
uint16_t dbRoot,
int nBlocks,