#4729

Committed 12 Sep 2025 02:34AM UTC coverage: 58.085% (-1.0%) from 59.125%

Build # #4729

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Commit Message

docs: optimize taosd config parameters doc better (#32964)

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51.05

/source/dnode/vnode/src/vnd/vnodeBufPool.c

/*
 * Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
 *
 * This program is free software: you can use, redistribute, and/or modify
 * it under the terms of the GNU Affero General Public License, version 3
 * or later ("AGPL"), as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */

#include "vnd.h"

/* ------------------------ STRUCTURES ------------------------ */
static int32_t vnodeBufPoolCreate(SVnode *pVnode, int32_t id, int64_t size, SVBufPool **ppPool) {
  SVBufPool *pPool;

  pPool = taosMemoryCalloc(1, sizeof(SVBufPool));
  if (pPool == NULL) {
    vError("vgId:%d, failed to allocate buffer pool", TD_VID(pVnode));
    return terrno;
  }
  pPool->node.data = taosMemoryMalloc(size);
  if (NULL == pPool->node.data) {
    vError("vgId:%d, failed to allocate buffer pool data, size:%" PRId64, TD_VID(pVnode), size);
    taosMemoryFree(pPool);
    return terrno;
  }

  // query handle list
  (void)taosThreadMutexInit(&pPool->mutex, NULL);
  pPool->nQuery = 0;
  pPool->qList.pNext = &pPool->qList;
  pPool->qList.ppNext = &pPool->qList.pNext;

  pPool->pVnode = pVnode;
  pPool->id = id;
  pPool->ptr = pPool->node.data;
  pPool->pTail = &pPool->node;
  pPool->node.prev = NULL;
  pPool->node.pnext = &pPool->pTail;
  pPool->node.size = size;

  if (VND_IS_RSMA(pVnode)) {
    pPool->lock = taosMemoryMalloc(sizeof(TdThreadSpinlock));
    if (!pPool->lock) {
      taosMemoryFree(pPool->node.data);
      taosMemoryFree(pPool);
      return terrno;
    }
    if (taosThreadSpinInit(pPool->lock, 0) != 0) {
      taosMemoryFree((void *)pPool->lock);
      taosMemoryFree(pPool->node.data);
      taosMemoryFree(pPool);
      return terrno = TAOS_SYSTEM_ERROR(ERRNO);
    }
  } else {
    pPool->lock = NULL;
  }

  *ppPool = pPool;
  return 0;
}

static void vnodeBufPoolDestroy(SVBufPool *pPool) {
  vnodeBufPoolReset(pPool);
  if (pPool->lock) {
    (void)taosThreadSpinDestroy(pPool->lock);
    taosMemoryFree((void *)pPool->lock);
  }
  (void)taosThreadMutexDestroy(&pPool->mutex);
  taosMemoryFree(pPool->node.data);
  taosMemoryFree(pPool);
}

int vnodeOpenBufPool(SVnode *pVnode) {
  int64_t size = pVnode->config.szBuf / VNODE_BUFPOOL_SEGMENTS;

  for (int i = 0; i < VNODE_BUFPOOL_SEGMENTS; i++) {
    // create pool
    int32_t code;
    if ((code = vnodeBufPoolCreate(pVnode, i, size, &pVnode->aBufPool[i]))) {
      vError("vgId:%d, failed to open vnode buffer pool since %s", TD_VID(pVnode), tstrerror(terrno));
      vnodeCloseBufPool(pVnode);
      return code;
    }

    // add to free list
    pVnode->aBufPool[i]->freeNext = pVnode->freeList;
    pVnode->freeList = pVnode->aBufPool[i];
  }

  vDebug("vgId:%d, vnode buffer pool is opened, size:%" PRId64, TD_VID(pVnode), size);
  return 0;
}

void vnodeCloseBufPool(SVnode *pVnode) {
  for (int32_t i = 0; i < VNODE_BUFPOOL_SEGMENTS; i++) {
    if (pVnode->aBufPool[i]) {
      vnodeBufPoolDestroy(pVnode->aBufPool[i]);
      pVnode->aBufPool[i] = NULL;
    }
  }

  vDebug("vgId:%d, vnode buffer pool is closed", TD_VID(pVnode));
}

void vnodeBufPoolReset(SVBufPool *pPool) {
  if (pPool->nQuery != 0) {
    vError("vgId:%d, buffer pool %p of id %d has %d queries, reset it may cause problem", TD_VID(pPool->pVnode), pPool,
           pPool->id, pPool->nQuery);
  }

  for (SVBufPoolNode *pNode = pPool->pTail; pNode->prev; pNode = pPool->pTail) {
    pNode->prev->pnext = &pPool->pTail;
    pPool->pTail = pNode->prev;
    pPool->size = pPool->size - sizeof(*pNode) - pNode->size;
    taosMemoryFree(pNode);
  }

  pPool->size = 0;
  pPool->ptr = pPool->node.data;
}

void *vnodeBufPoolMallocAligned(SVBufPool *pPool, int size) {
  SVBufPoolNode *pNode;
  void          *p = NULL;
  uint8_t       *ptr = NULL;
  int            paddingLen = 0;

  if (pPool == NULL) {
    terrno = TSDB_CODE_INVALID_PARA;
    return NULL;
  }

  if (pPool->lock) taosThreadSpinLock(pPool->lock);

  ptr = pPool->ptr;
  paddingLen = (((long)ptr + 7) & ~7) - (long)ptr;

  if (pPool->node.size >= pPool->ptr - pPool->node.data + size + paddingLen) {
    // allocate from the anchor node
    p = pPool->ptr + paddingLen;
    size += paddingLen;
    pPool->ptr = pPool->ptr + size;
    pPool->size += size;
  } else {
    // allocate a new node
    pNode = taosMemoryMalloc(sizeof(*pNode) + size);
    if (pNode == NULL) {
      if (pPool->lock) {
        (void)taosThreadSpinUnlock(pPool->lock);
      }
      return NULL;
    }
    pNode->data = (uint8_t *)&pNode[1];

    p = pNode->data;
    pNode->size = size;
    pNode->prev = pPool->pTail;
    pNode->pnext = &pPool->pTail;
    pPool->pTail->pnext = &pNode->prev;
    pPool->pTail = pNode;

    pPool->size = pPool->size + sizeof(*pNode) + size;
  }
  if (pPool->lock) (void)taosThreadSpinUnlock(pPool->lock);
  return p;
}

void *vnodeBufPoolMalloc(SVBufPool *pPool, int size) {
  SVBufPoolNode *pNode;
  void          *p = NULL;

  if (pPool == NULL) {
    terrno = TSDB_CODE_INVALID_PARA;
    return NULL;
  }

  if (pPool->lock) taosThreadSpinLock(pPool->lock);
  if (pPool->node.size >= pPool->ptr - pPool->node.data + size) {
    // allocate from the anchor node
    p = pPool->ptr;
    pPool->ptr = pPool->ptr + size;
    pPool->size += size;
  } else {
    // allocate a new node
    pNode = taosMemoryMalloc(sizeof(*pNode) + size);
    if (pNode == NULL) {
      if (pPool->lock) (void)taosThreadSpinUnlock(pPool->lock);
      return NULL;
    }
    pNode->data = (uint8_t *)&pNode[1];

    p = pNode->data;
    pNode->size = size;
    pNode->prev = pPool->pTail;
    pNode->pnext = &pPool->pTail;
    pPool->pTail->pnext = &pNode->prev;
    pPool->pTail = pNode;

    pPool->size = pPool->size + sizeof(*pNode) + size;
  }
  if (pPool->lock) (void)taosThreadSpinUnlock(pPool->lock);
  return p;
}

void vnodeBufPoolFree(SVBufPool *pPool, void *p) {
  // uint8_t       *ptr = (uint8_t *)p;
  // SVBufPoolNode *pNode;

  // if (ptr < pPool->node.data || ptr >= pPool->node.data + pPool->node.size) {
  //   pNode = &((SVBufPoolNode *)p)[-1];
  //   *pNode->pnext = pNode->prev;
  //   pNode->prev->pnext = pNode->pnext;

  //   pPool->size = pPool->size - sizeof(*pNode) - pNode->size;
  //   taosMemoryFree(pNode);
  // }
}

void vnodeBufPoolRef(SVBufPool *pPool) {
  int32_t nRef = atomic_fetch_add_32(&pPool->nRef, 1);
  if (nRef <= 0) {
    vError("vgId:%d, buffer pool %p of id %d is referenced by %d", TD_VID(pPool->pVnode), pPool, pPool->id, nRef);
  }
}

static void vnodeBufPoolResize(SVBufPool *pPool, int64_t size) {
  if (pPool == NULL) return;

  uint8_t *pDataNew = taosMemoryMalloc(size);
  if (pDataNew == NULL) {
    vError("vgId:%d, %s failed at %s:%d since %s", TD_VID(pPool->pVnode), __func__, __FILE__, __LINE__,
           tstrerror(terrno));
    return;
  }

  // Apply change
  int64_t oldSize = pPool->node.size;
  taosMemoryFree(pPool->node.data);
  pPool->node.data = pDataNew;
  pPool->node.size = size;

  vInfo("vgId:%d, buffer pool %d resized from %" PRId64 " to %" PRId64, TD_VID(pPool->pVnode), pPool->id, oldSize,
        size);
  return;
}

void vnodeBufPoolAddToFreeList(SVBufPool *pPool) {
  SVnode *pVnode = pPool->pVnode;

  int64_t size = pVnode->config.szBuf / VNODE_BUFPOOL_SEGMENTS;
  if (pPool->node.size != size) {
    vnodeBufPoolResize(pPool, size);
  }

  // add to free list
  vDebug("vgId:%d, buffer pool %p of id %d is added to free list", TD_VID(pVnode), pPool, pPool->id);
  vnodeBufPoolReset(pPool);
  pPool->freeNext = pVnode->freeList;
  pVnode->freeList = pPool;
  (void)taosThreadCondSignal(&pVnode->poolNotEmpty);
}

void vnodeBufPoolUnRef(SVBufPool *pPool, bool proactive) {
  if (pPool == NULL) return;

  SVnode *pVnode = pPool->pVnode;

  if (proactive) {
    (void)taosThreadMutexLock(&pVnode->mutex);
  }

  if (atomic_sub_fetch_32(&pPool->nRef, 1) > 0) goto _exit;

  // remove from recycle queue or on-recycle position
  if (pVnode->onRecycle == pPool) {
    pVnode->onRecycle = NULL;
  } else {
    if (pPool->recyclePrev) {
      pPool->recyclePrev->recycleNext = pPool->recycleNext;
    } else {
      pVnode->recycleHead = pPool->recycleNext;
    }

    if (pPool->recycleNext) {
      pPool->recycleNext->recyclePrev = pPool->recyclePrev;
    } else {
      pVnode->recycleTail = pPool->recyclePrev;
    }
    pPool->recyclePrev = pPool->recycleNext = NULL;
  }

  vnodeBufPoolAddToFreeList(pPool);

_exit:
  if (proactive) {
    (void)taosThreadMutexUnlock(&pVnode->mutex);
  }
  return;
}

void vnodeBufPoolRegisterQuery(SVBufPool *pPool, SQueryNode *pQNode) {
  (void)taosThreadMutexLock(&pPool->mutex);

  pQNode->pNext = pPool->qList.pNext;
  pQNode->ppNext = &pPool->qList.pNext;
  pPool->qList.pNext->ppNext = &pQNode->pNext;
  pPool->qList.pNext = pQNode;
  pPool->nQuery++;

  (void)taosThreadMutexUnlock(&pPool->mutex);
}

void vnodeBufPoolDeregisterQuery(SVBufPool *pPool, SQueryNode *pQNode, bool proactive) {
  int32_t code = 0;

  if (proactive) {
    (void)taosThreadMutexLock(&pPool->mutex);
  }

  pQNode->pNext->ppNext = pQNode->ppNext;
  *pQNode->ppNext = pQNode->pNext;
  pPool->nQuery--;

  if (proactive) {
    (void)taosThreadMutexUnlock(&pPool->mutex);
  }
}

int32_t vnodeBufPoolRecycle(SVBufPool *pPool) {
  int32_t code = 0;

  SVnode *pVnode = pPool->pVnode;

  vDebug("vgId:%d, recycle buffer pool %p of id %d", TD_VID(pVnode), pPool, pPool->id);

  (void)taosThreadMutexLock(&pPool->mutex);

  SQueryNode *pNode = pPool->qList.pNext;
  while (pNode != &pPool->qList) {
    SQueryNode *pTNode = pNode->pNext;

    int32_t rc = pNode->reseek(pNode->pQHandle);
    if (rc == 0 || rc == TSDB_CODE_VND_QUERY_BUSY) {
      pNode = pTNode;
    } else {
      code = rc;
      goto _exit;
    }
  }

_exit:
  (void)taosThreadMutexUnlock(&pPool->mutex);
  return code;
}

1	/*
2	* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
3	*
4	* This program is free software: you can use, redistribute, and/or modify
5	* it under the terms of the GNU Affero General Public License, version 3
6	* or later ("AGPL"), as published by the Free Software Foundation.
7	*
8	* This program is distributed in the hope that it will be useful, but WITHOUT
9	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
10	* FITNESS FOR A PARTICULAR PURPOSE.
11	*
12	* You should have received a copy of the GNU Affero General Public License
13	* along with this program. If not, see <http://www.gnu.org/licenses/>.
14	*/
15
16	#include "vnd.h"
17
18	/* ------------------------ STRUCTURES ------------------------ */
19	static int32_t vnodeBufPoolCreate(SVnode pVnode, int32_t id, int64_t size, SVBufPool *ppPool) {	36,788✔
20	SVBufPool *pPool;
21
22	pPool = taosMemoryCalloc(1, sizeof(SVBufPool));	36,788!
23	if (pPool == NULL) {	36,785!
24	vError("vgId:%d, failed to allocate buffer pool", TD_VID(pVnode));	×
25	return terrno;	×
26	}
27	pPool->node.data = taosMemoryMalloc(size);	36,785!
28	if (NULL == pPool->node.data) {	36,796!
29	vError("vgId:%d, failed to allocate buffer pool data, size:%" PRId64, TD_VID(pVnode), size);	×
30	taosMemoryFree(pPool);	×
31	return terrno;	×
32	}
33
34	// query handle list
35	(void)taosThreadMutexInit(&pPool->mutex, NULL);	36,796✔
36	pPool->nQuery = 0;	36,791✔
37	pPool->qList.pNext = &pPool->qList;	36,791✔
38	pPool->qList.ppNext = &pPool->qList.pNext;	36,791✔
39
40	pPool->pVnode = pVnode;	36,791✔
41	pPool->id = id;	36,791✔
42	pPool->ptr = pPool->node.data;	36,791✔
43	pPool->pTail = &pPool->node;	36,791✔
44	pPool->node.prev = NULL;	36,791✔
45	pPool->node.pnext = &pPool->pTail;	36,791✔
46	pPool->node.size = size;	36,791✔
47
48	if (VND_IS_RSMA(pVnode)) {	36,791!
49	pPool->lock = taosMemoryMalloc(sizeof(TdThreadSpinlock));	×
50	if (!pPool->lock) {	×
51	taosMemoryFree(pPool->node.data);	×
52	taosMemoryFree(pPool);	×
53	return terrno;	×
54	}
55	if (taosThreadSpinInit(pPool->lock, 0) != 0) {	×
56	taosMemoryFree((void *)pPool->lock);	3!
57	taosMemoryFree(pPool->node.data);	×
58	taosMemoryFree(pPool);	×
59	return terrno = TAOS_SYSTEM_ERROR(ERRNO);	×
60	}
61	} else {
62	pPool->lock = NULL;	36,794✔
63	}
64
65	*ppPool = pPool;	36,791✔
66	return 0;	36,791✔
67	}
68
69	static void vnodeBufPoolDestroy(SVBufPool *pPool) {	36,801✔
70	vnodeBufPoolReset(pPool);	36,801✔
71	if (pPool->lock) {	36,801!
72	(void)taosThreadSpinDestroy(pPool->lock);	×
73	taosMemoryFree((void *)pPool->lock);	×
74	}
75	(void)taosThreadMutexDestroy(&pPool->mutex);	36,801✔
76	taosMemoryFree(pPool->node.data);	36,801!
77	taosMemoryFree(pPool);	36,801!
78	}	36,801✔
79
80	int vnodeOpenBufPool(SVnode *pVnode) {	12,267✔
81	int64_t size = pVnode->config.szBuf / VNODE_BUFPOOL_SEGMENTS;	12,267✔
82
83	for (int i = 0; i < VNODE_BUFPOOL_SEGMENTS; i++) {	49,060✔
84	// create pool
85	int32_t code;
86	if ((code = vnodeBufPoolCreate(pVnode, i, size, &pVnode->aBufPool[i]))) {	36,789!
87	vError("vgId:%d, failed to open vnode buffer pool since %s", TD_VID(pVnode), tstrerror(terrno));	×
88	vnodeCloseBufPool(pVnode);	×
89	return code;	×
90	}
91
92	// add to free list
93	pVnode->aBufPool[i]->freeNext = pVnode->freeList;	36,793✔
94	pVnode->freeList = pVnode->aBufPool[i];	36,793✔
95	}
96
97	vDebug("vgId:%d, vnode buffer pool is opened, size:%" PRId64, TD_VID(pVnode), size);	12,271✔
98	return 0;	12,267✔
99	}
100
101	void vnodeCloseBufPool(SVnode *pVnode) {	12,267✔
102	for (int32_t i = 0; i < VNODE_BUFPOOL_SEGMENTS; i++) {	49,068✔
103	if (pVnode->aBufPool[i]) {	36,800!
104	vnodeBufPoolDestroy(pVnode->aBufPool[i]);	36,800✔
105	pVnode->aBufPool[i] = NULL;	36,801✔
106	}
107	}
108
109	vDebug("vgId:%d, vnode buffer pool is closed", TD_VID(pVnode));	12,268✔
110	}	12,268✔
111
112	void vnodeBufPoolReset(SVBufPool *pPool) {	58,922✔
113	if (pPool->nQuery != 0) {	58,922!
114	vError("vgId:%d, buffer pool %p of id %d has %d queries, reset it may cause problem", TD_VID(pPool->pVnode), pPool,	×
115	pPool->id, pPool->nQuery);
116	}
117
118	for (SVBufPoolNode *pNode = pPool->pTail; pNode->prev; pNode = pPool->pTail) {	256,865✔
119	pNode->prev->pnext = &pPool->pTail;	197,943✔
120	pPool->pTail = pNode->prev;	197,943✔
121	pPool->size = pPool->size - sizeof(*pNode) - pNode->size;	197,943✔
122	taosMemoryFree(pNode);	197,943!
123	}
124
125	pPool->size = 0;	58,922✔
126	pPool->ptr = pPool->node.data;	58,922✔
127	}	58,922✔
128
129	void vnodeBufPoolMallocAligned(SVBufPool pPool, int size) {	123,048,720✔
130	SVBufPoolNode *pNode;
131	void *p = NULL;	123,048,720✔
132	uint8_t *ptr = NULL;	123,048,720✔
133	int paddingLen = 0;	123,048,720✔
134
135	if (pPool == NULL) {	123,048,720!
136	terrno = TSDB_CODE_INVALID_PARA;	×
137	return NULL;	×
138	}
139
140	if (pPool->lock) taosThreadSpinLock(pPool->lock);	123,048,720!
141
142	ptr = pPool->ptr;	123,064,332✔
143	paddingLen = (((long)ptr + 7) & ~7) - (long)ptr;	123,064,332✔
144
145	if (pPool->node.size >= pPool->ptr - pPool->node.data + size + paddingLen) {	123,064,332✔
146	// allocate from the anchor node
147	p = pPool->ptr + paddingLen;	122,866,389✔
148	size += paddingLen;	122,866,389✔
149	pPool->ptr = pPool->ptr + size;	122,866,389✔
150	pPool->size += size;	122,866,389✔
151	} else {
152	// allocate a new node
153	pNode = taosMemoryMalloc(sizeof(*pNode) + size);	197,943!
154	if (pNode == NULL) {	197,943!
155	if (pPool->lock) {	×
156	(void)taosThreadSpinUnlock(pPool->lock);	×
157	}
158	return NULL;	×
159	}
160	pNode->data = (uint8_t *)&pNode[1];	197,943✔
161
162	p = pNode->data;	197,943✔
163	pNode->size = size;	197,943✔
164	pNode->prev = pPool->pTail;	197,943✔
165	pNode->pnext = &pPool->pTail;	197,943✔
166	pPool->pTail->pnext = &pNode->prev;	197,943✔
167	pPool->pTail = pNode;	197,943✔
168
169	pPool->size = pPool->size + sizeof(*pNode) + size;	197,943✔
170	}
171	if (pPool->lock) (void)taosThreadSpinUnlock(pPool->lock);	123,064,332!
172	return p;	123,047,829✔
173	}
174
175	void vnodeBufPoolMalloc(SVBufPool pPool, int size) {	19,633✔
176	SVBufPoolNode *pNode;
177	void *p = NULL;	19,633✔
178
179	if (pPool == NULL) {	19,633!
180	terrno = TSDB_CODE_INVALID_PARA;	×
181	return NULL;	×
182	}
183
184	if (pPool->lock) taosThreadSpinLock(pPool->lock);	19,633!
185	if (pPool->node.size >= pPool->ptr - pPool->node.data + size) {	19,634!
186	// allocate from the anchor node
187	p = pPool->ptr;	19,634✔
188	pPool->ptr = pPool->ptr + size;	19,634✔
189	pPool->size += size;	19,634✔
190	} else {
191	// allocate a new node
192	pNode = taosMemoryMalloc(sizeof(*pNode) + size);	×
193	if (pNode == NULL) {	×
194	if (pPool->lock) (void)taosThreadSpinUnlock(pPool->lock);	×
195	return NULL;	×
196	}
197	pNode->data = (uint8_t *)&pNode[1];	×
198
199	p = pNode->data;	×
200	pNode->size = size;	×
201	pNode->prev = pPool->pTail;	×
202	pNode->pnext = &pPool->pTail;	×
203	pPool->pTail->pnext = &pNode->prev;	×
204	pPool->pTail = pNode;	×
205
206	pPool->size = pPool->size + sizeof(*pNode) + size;	×
207	}
208	if (pPool->lock) (void)taosThreadSpinUnlock(pPool->lock);	19,634!
209	return p;	19,634✔
210	}
211
212	void vnodeBufPoolFree(SVBufPool pPool, void p) {	180,951✔
213	// uint8_t ptr = (uint8_t )p;
214	// SVBufPoolNode *pNode;
215
216	// if (ptr < pPool->node.data \|\| ptr >= pPool->node.data + pPool->node.size) {
217	// pNode = &((SVBufPoolNode *)p)[-1];
218	// *pNode->pnext = pNode->prev;
219	// pNode->prev->pnext = pNode->pnext;
220
221	// pPool->size = pPool->size - sizeof(*pNode) - pNode->size;
222	// taosMemoryFree(pNode);
223	// }
224	}	180,951✔
225
226	void vnodeBufPoolRef(SVBufPool *pPool) {	34,384✔
227	int32_t nRef = atomic_fetch_add_32(&pPool->nRef, 1);	34,384✔
228	if (nRef <= 0) {	34,385!
229	vError("vgId:%d, buffer pool %p of id %d is referenced by %d", TD_VID(pPool->pVnode), pPool, pPool->id, nRef);	×
230	}
231	}	34,385✔
232
233	static void vnodeBufPoolResize(SVBufPool *pPool, int64_t size) {	×
234	if (pPool == NULL) return;	×
235
236	uint8_t *pDataNew = taosMemoryMalloc(size);	×
237	if (pDataNew == NULL) {	×
238	vError("vgId:%d, %s failed at %s:%d since %s", TD_VID(pPool->pVnode), __func__, __FILE__, __LINE__,	×
239	tstrerror(terrno));
240	return;	×
241	}
242
243	// Apply change
244	int64_t oldSize = pPool->node.size;	×
245	taosMemoryFree(pPool->node.data);	×
246	pPool->node.data = pDataNew;	×
247	pPool->node.size = size;	×
248
249	vInfo("vgId:%d, buffer pool %d resized from %" PRId64 " to %" PRId64, TD_VID(pPool->pVnode), pPool->id, oldSize,	×
250	size);
251	return;	×
252	}
253
254	void vnodeBufPoolAddToFreeList(SVBufPool *pPool) {	22,121✔
255	SVnode *pVnode = pPool->pVnode;	22,121✔
256
257	int64_t size = pVnode->config.szBuf / VNODE_BUFPOOL_SEGMENTS;	22,121✔
258	if (pPool->node.size != size) {	22,121!
259	vnodeBufPoolResize(pPool, size);	×
260	}
261
262	// add to free list
263	vDebug("vgId:%d, buffer pool %p of id %d is added to free list", TD_VID(pVnode), pPool, pPool->id);	22,121✔
264	vnodeBufPoolReset(pPool);	22,121✔
265	pPool->freeNext = pVnode->freeList;	22,121✔
266	pVnode->freeList = pPool;	22,121✔
267	(void)taosThreadCondSignal(&pVnode->poolNotEmpty);	22,121✔
268	}	22,121✔
269
270	void vnodeBufPoolUnRef(SVBufPool *pPool, bool proactive) {	34,388✔
271	if (pPool == NULL) return;	34,388!
272
273	SVnode *pVnode = pPool->pVnode;	34,388✔
274
275	if (proactive) {	34,388!
276	(void)taosThreadMutexLock(&pVnode->mutex);	34,388✔
277	}
278
279	if (atomic_sub_fetch_32(&pPool->nRef, 1) > 0) goto _exit;	34,388✔
280
281	// remove from recycle queue or on-recycle position
282	if (pVnode->onRecycle == pPool) {	105!
283	pVnode->onRecycle = NULL;	×
284	} else {
285	if (pPool->recyclePrev) {	105!
286	pPool->recyclePrev->recycleNext = pPool->recycleNext;	×
287	} else {
288	pVnode->recycleHead = pPool->recycleNext;	105✔
289	}
290
291	if (pPool->recycleNext) {	105!
292	pPool->recycleNext->recyclePrev = pPool->recyclePrev;	×
293	} else {
294	pVnode->recycleTail = pPool->recyclePrev;	105✔
295	}
296	pPool->recyclePrev = pPool->recycleNext = NULL;	105✔
297	}
298
299	vnodeBufPoolAddToFreeList(pPool);	105✔
300
301	_exit:	34,388✔
302	if (proactive) {	34,388!
303	(void)taosThreadMutexUnlock(&pVnode->mutex);	34,388✔
304	}
305	return;	34,388✔
306	}
307
308	void vnodeBufPoolRegisterQuery(SVBufPool pPool, SQueryNode pQNode) {	835,294✔
309	(void)taosThreadMutexLock(&pPool->mutex);	835,294✔
310
311	pQNode->pNext = pPool->qList.pNext;	835,689✔
312	pQNode->ppNext = &pPool->qList.pNext;	835,689✔
313	pPool->qList.pNext->ppNext = &pQNode->pNext;	835,689✔
314	pPool->qList.pNext = pQNode;	835,689✔
315	pPool->nQuery++;	835,689✔
316
317	(void)taosThreadMutexUnlock(&pPool->mutex);	835,689✔
318	}	835,673✔
319
320	void vnodeBufPoolDeregisterQuery(SVBufPool pPool, SQueryNode pQNode, bool proactive) {	835,688✔
321	int32_t code = 0;	835,688✔
322
323	if (proactive) {	835,688!
324	(void)taosThreadMutexLock(&pPool->mutex);	835,694✔
325	}
326
327	pQNode->pNext->ppNext = pQNode->ppNext;	835,697✔
328	*pQNode->ppNext = pQNode->pNext;	835,697✔
329	pPool->nQuery--;	835,697✔
330
331	if (proactive) {	835,697!
332	(void)taosThreadMutexUnlock(&pPool->mutex);	835,703✔
333	}
334	}	835,696✔
335
336	int32_t vnodeBufPoolRecycle(SVBufPool *pPool) {	×
337	int32_t code = 0;	×
338
339	SVnode *pVnode = pPool->pVnode;	×
340
341	vDebug("vgId:%d, recycle buffer pool %p of id %d", TD_VID(pVnode), pPool, pPool->id);	×
342
343	(void)taosThreadMutexLock(&pPool->mutex);	×
344
345	SQueryNode *pNode = pPool->qList.pNext;	×
346	while (pNode != &pPool->qList) {	×
347	SQueryNode *pTNode = pNode->pNext;	×
348
349	int32_t rc = pNode->reseek(pNode->pQHandle);	×
350	if (rc == 0 \|\| rc == TSDB_CODE_VND_QUERY_BUSY) {	×
351	pNode = pTNode;	×
352	} else {
353	code = rc;	×
354	goto _exit;	×
355	}
356	}
357
358	_exit:	×
359	(void)taosThreadMutexUnlock(&pPool->mutex);	×
360	return code;	×
361	}

taosdata / TDengine / #4729

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