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feat: add lru to index

This commit is contained in:
yihaoDeng 2022-07-14 17:30:48 +08:00
parent fe8ccabf7a
commit 9c4842ef10
1 changed files with 3 additions and 2 deletions
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5
source/libs/index/src/indexFstFile.c
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@ -79,13 +79,14 @@ static int idxFileCtxDoReadFrom(IFileCtx* ctx, uint8_t* buf, int len, int32_t of
memcpy(buf + total, blk->buf + blkOffset, nread); memcpy(buf + total, blk->buf + blkOffset, nread);
taosLRUCacheRelease(ctx->lru, h, false); taosLRUCacheRelease(ctx->lru, h, false);
} else { } else {
int32_t cacheMemSize = sizeof(SDataBlock) + kBlockSize; int32_t cacheMemSize = sizeof(SDataBlock) + kBlockSize;
SDataBlock* blk = taosMemoryCalloc(1, cacheMemSize);
SDataBlock* blk = taosMemoryCalloc(1, cacheMemSize);
blk->blockId = blkId; blk->blockId = blkId;
blk->nread = taosPReadFile(ctx->file.pFile, blk->buf, kBlockSize, blkId * kBlockSize); blk->nread = taosPReadFile(ctx->file.pFile, blk->buf, kBlockSize, blkId * kBlockSize);
assert(blk->nread <= kBlockSize); assert(blk->nread <= kBlockSize);
nread = MIN(blkLeft, len); nread = MIN(blkLeft, len);
if (blk->nread < kBlockSize && blk->nread < len) { if (blk->nread < kBlockSize && blk->nread < len) {
break; break;
} }