homework-jianmu/source/dnode/vnode/src/vnd/vnodeRetention.c

126 lines
3.4 KiB
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"
typedef struct {
SVnode *pVnode;
int64_t now;
int64_t commitID;
SVnodeInfo info;
} SRetentionInfo;
extern bool tsdbShouldDoRetention(STsdb *pTsdb, int64_t now);
extern int32_t tsdbDoRetention(STsdb *pTsdb, int64_t now);
extern int32_t tsdbCommitRetention(STsdb *pTsdb);
static int32_t vnodePrepareRentention(SVnode *pVnode, SRetentionInfo *pInfo) {
int32_t code = 0;
int32_t lino = 0;
tsem_wait(&pVnode->canCommit);
pInfo->commitID = ++pVnode->state.commitID;
char dir[TSDB_FILENAME_LEN] = {0};
vnodeGetPrimaryDir(pVnode->path, pVnode->pTfs, dir, TSDB_FILENAME_LEN);
if (vnodeLoadInfo(dir, &pInfo->info) < 0) {
code = terrno;
TSDB_CHECK_CODE(code, lino, _exit);
}
_exit:
if (code) {
vError("vgId:%d %s failed at line %d since %s", TD_VID(pVnode), __func__, lino, tstrerror(code));
tsem_post(&pVnode->canCommit);
} else {
vInfo("vgId:%d %s done", TD_VID(pVnode), __func__);
}
return code;
}
static int32_t vnodeRetentionTask(void *param) {
int32_t code = 0;
int32_t lino = 0;
SRetentionInfo *pInfo = (SRetentionInfo *)param;
SVnode *pVnode = pInfo->pVnode;
char dir[TSDB_FILENAME_LEN] = {0};
vnodeGetPrimaryDir(pVnode->path, pVnode->pTfs, dir, TSDB_FILENAME_LEN);
// save info
pInfo->info.state.commitID = pInfo->commitID;
if (vnodeSaveInfo(dir, &pInfo->info) < 0) {
code = terrno;
TSDB_CHECK_CODE(code, lino, _exit);
}
// do job
code = tsdbDoRetention(pInfo->pVnode->pTsdb, pInfo->now);
TSDB_CHECK_CODE(code, lino, _exit);
code = smaDoRetention(pInfo->pVnode->pSma, pInfo->now);
TSDB_CHECK_CODE(code, lino, _exit);
// commit info
vnodeCommitInfo(dir);
// commit sub-job
tsdbCommitRetention(pVnode->pTsdb);
_exit:
if (code) {
vError("vgId:%d %s failed at line %d since %s", TD_VID(pInfo->pVnode), __func__, lino, tstrerror(code));
} else {
vInfo("vgId:%d %s done", TD_VID(pInfo->pVnode), __func__);
}
tsem_post(&pInfo->pVnode->canCommit);
taosMemoryFree(pInfo);
return code;
}
int32_t vnodeAsyncRentention(SVnode *pVnode, int64_t now) {
int32_t code = 0;
int32_t lino = 0;
if (!tsdbShouldDoRetention(pVnode->pTsdb, now)) return code;
SRetentionInfo *pInfo = (SRetentionInfo *)taosMemoryCalloc(1, sizeof(*pInfo));
if (pInfo == NULL) {
code = TSDB_CODE_OUT_OF_MEMORY;
TSDB_CHECK_CODE(code, lino, _exit);
}
pInfo->pVnode = pVnode;
pInfo->now = now;
code = vnodePrepareRentention(pVnode, pInfo);
TSDB_CHECK_CODE(code, lino, _exit);
vnodeScheduleTask(vnodeRetentionTask, pInfo);
_exit:
if (code) {
vError("vgId:%d %s failed at line %d since %s", TD_VID(pVnode), __func__, lino, tstrerror(code));
if (pInfo) taosMemoryFree(pInfo);
} else {
vInfo("vgId:%d %s done", TD_VID(pInfo->pVnode), __func__);
}
return 0;
}