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!1891 修改代码，解决issue --- 关闭增量检查点，开启全页写，无负载情况下，create database花费25秒

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Merge pull request !1891 from zhaobingyu/master
This commit is contained in:
opengauss-bot
2022-06-24 09:47:03 +00:00
committed by Gitee
parent 0f955ee072 6b524cdf5d
commit c611b010a0
1 changed files with 15 additions and 11 deletions
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26
src/gausskernel/storage/buffer/bufmgr.cpp
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@ -3323,20 +3323,24 @@ static void BufferSync(int flags)
* Header spinlock is enough to examine BM_DIRTY, see comment in
* SyncOneBuffer.
*/
buf_state = LockBufHdr(buf_desc);
pg_memory_barrier();
buf_state = pg_atomic_read_u32(&buf_desc->state);
if ((buf_state & mask) == mask) {
CkptSortItem *item = NULL;
buf_state |= BM_CHECKPOINT_NEEDED;
item = &g_instance.ckpt_cxt_ctl->CkptBufferIds[num_to_scan++];
item->buf_id = buf_id;
item->tsId = buf_desc->tag.rnode.spcNode;
item->relNode = buf_desc->tag.rnode.relNode;
item->bucketNode = buf_desc->tag.rnode.bucketNode;
item->forkNum = buf_desc->tag.forkNum;
item->blockNum = buf_desc->tag.blockNum;
buf_state = LockBufHdr(buf_desc);
if ((buf_state & mask) == mask) {
CkptSortItem *item = NULL;
buf_state |= BM_CHECKPOINT_NEEDED;
item = &g_instance.ckpt_cxt_ctl->CkptBufferIds[num_to_scan++];
item->buf_id = buf_id;
item->tsId = buf_desc->tag.rnode.spcNode;
item->relNode = buf_desc->tag.rnode.relNode;
item->bucketNode = buf_desc->tag.rnode.bucketNode;
item->forkNum = buf_desc->tag.forkNum;
item->blockNum = buf_desc->tag.blockNum;
}
UnlockBufHdr(buf_desc, buf_state);
}
UnlockBufHdr(buf_desc, buf_state);
}
if (num_to_scan == 0) {