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opt index write

This commit is contained in:
yihaoDeng 2022-12-23 22:42:32 +08:00
parent 71bbc4fdd0
commit bc693f374c
2 changed files with 6 additions and 3 deletions
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3
source/libs/index/inc/indexFstFile.h
View File

@ -45,8 +45,9 @@ typedef struct IFileCtx {
char buf[256];
int64_t size;
char wBuf[4096];
char* wBuf;
int32_t wBufOffset;
int32_t wBufCap;
#ifdef USE_MMAP
char* ptr;

6
source/libs/index/src/indexFstFile.c
View File

@ -40,7 +40,7 @@ static FORCE_INLINE void idxGenLRUKey(char* buf, const char* path, int32_t block
static FORCE_INLINE int idxFileCtxDoWrite(IFileCtx* ctx, uint8_t* buf, int len) {
int tlen = len;
if (ctx->type == TFILE) {
int32_t cap = sizeof(ctx->file.wBuf);
int32_t cap = ctx->file.wBufCap;
if (len + ctx->file.wBufOffset >= cap) {
int32_t nw = cap - ctx->file.wBufOffset;
memcpy(ctx->file.wBuf + ctx->file.wBufOffset, buf, nw);
@ -193,8 +193,9 @@ IFileCtx* idxFileCtxCreate(WriterType type, const char* path, bool readOnly, int
taosFtruncateFile(ctx->file.pFile, 0);
taosStatFile(path, &ctx->file.size, NULL);
memset(ctx->file.wBuf, 0, sizeof(ctx->file.wBuf));
ctx->file.wBufOffset = 0;
ctx->file.wBufCap = kBlockSize * 4;
ctx->file.wBuf = taosMemoryCalloc(1, ctx->file.wBufCap);
} else {
ctx->file.pFile = taosOpenFile(path, TD_FILE_READ);
taosFStatFile(ctx->file.pFile, &ctx->file.size, NULL);
@ -239,6 +240,7 @@ void idxFileCtxDestroy(IFileCtx* ctx, bool remove) {
ctx->file.wBufOffset = 0;
}
ctx->flush(ctx);
taosMemoryFreeClear(ctx->file.wBuf);
taosCloseFile(&ctx->file.pFile);
if (ctx->file.readOnly) {
#ifdef USE_MMAP