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TD-1696

This commit is contained in:
Shengliang Guan 2020-10-15 03:23:47 +00:00
parent bd934402e7
commit 3f52d74a8e
4 changed files with 21 additions and 9 deletions
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1
src/inc/taoserror.h
View File

@ -193,6 +193,7 @@ TAOS_DEFINE_ERROR(TSDB_CODE_VND_NO_DISK_PERMISSIONS, 0, 0x0506, "No write p
TAOS_DEFINE_ERROR(TSDB_CODE_VND_NO_SUCH_FILE_OR_DIR, 0, 0x0507, "Missing data file")
TAOS_DEFINE_ERROR(TSDB_CODE_VND_OUT_OF_MEMORY, 0, 0x0508, "Out of memory")
TAOS_DEFINE_ERROR(TSDB_CODE_VND_APP_ERROR, 0, 0x0509, "Unexpected generic error in vnode")
TAOS_DEFINE_ERROR(TSDB_CODE_VND_INVALID_VRESION_FILE, 0, 0x050A, "Invalid version file")
TAOS_DEFINE_ERROR(TSDB_CODE_VND_NOT_SYNCED, 0, 0x0511, "Database suspended")
TAOS_DEFINE_ERROR(TSDB_CODE_VND_NO_WRITE_AUTH, 0, 0x0512, "Write operation denied")

1
src/inc/twal.h
View File

@ -51,6 +51,7 @@ int walWrite(twalh, SWalHead *);
void walFsync(twalh);
int walRestore(twalh, void *pVnode, FWalWrite writeFp);
int walGetWalFile(twalh, char *name, uint32_t *index);
int64_t walGetVersion(twalh);
extern int wDebugFlag;

16
src/vnode/src/vnodeMain.c
View File

@ -239,8 +239,10 @@ int32_t vnodeOpen(int32_t vnode, char *rootDir) {
code = vnodeReadVersion(pVnode);
if (code != TSDB_CODE_SUCCESS) {
vnodeCleanUp(pVnode);
return code;
vError("vgId:%d, failed to read version, generate it from data file", pVnode->vgId);
// Allow vnode start even when read version fails, set version as walVersion or zero
// vnodeCleanUp(pVnode);
// return code;
}
pVnode->fversion = pVnode->version;
@ -292,6 +294,9 @@ int32_t vnodeOpen(int32_t vnode, char *rootDir) {
}
walRestore(pVnode->wal, pVnode, vnodeWriteToQueue);
if (pVnode->version == 0) {
pVnode->version = walGetVersion(pVnode->wal);
}
SSyncInfo syncInfo;
syncInfo.vgId = pVnode->vgId;
@ -947,6 +952,7 @@ static int32_t vnodeSaveVersion(SVnodeObj *pVnode) {
len += snprintf(content + len, maxLen - len, "}\n");
fwrite(content, 1, len, fp);
fflush(fp);
fclose(fp);
vInfo("vgId:%d, save vnode version:%" PRId64 " succeed", pVnode->vgId, pVnode->fversion);
@ -960,7 +966,7 @@ static int32_t vnodeReadVersion(SVnodeObj *pVnode) {
cJSON *root = NULL;
int maxLen = 100;
terrno = TSDB_CODE_VND_APP_ERROR;
terrno = TSDB_CODE_VND_INVALID_VRESION_FILE;
sprintf(versionFile, "%s/vnode%d/version.json", tsVnodeDir, pVnode->vgId);
FILE *fp = fopen(versionFile, "r");
if (!fp) {
@ -974,7 +980,7 @@ static int32_t vnodeReadVersion(SVnodeObj *pVnode) {
}
content = calloc(1, maxLen + 1);
int len = fread(content, 1, maxLen, fp);
int len = fread(content, 1, maxLen, fp);
if (len <= 0) {
vError("vgId:%d, failed to read vnode version, content is null", pVnode->vgId);
goto PARSE_OVER;
@ -999,6 +1005,6 @@ static int32_t vnodeReadVersion(SVnodeObj *pVnode) {
PARSE_OVER:
taosTFree(content);
cJSON_Delete(root);
if(fp) fclose(fp);
if (fp) fclose(fp);
return terrno;
}

12
src/wal/src/walMain.c
View File

@ -240,10 +240,7 @@ int walWrite(void *handle, SWalHead *pHead) {
// no wal
if (pWal->level == TAOS_WAL_NOLOG) return 0;
if (pHead->version <= pWal->version) {
wError("wal:%s, failed to write ver:%" PRIu64 ", last ver:%" PRIu64, pWal->name, pHead->version, pWal->version);
return 0;
}
if (pHead->version <= pWal->version) return 0;
pHead->signature = walSignature;
taosCalcChecksumAppend(0, (uint8_t *)pHead, sizeof(SWalHead));
@ -560,3 +557,10 @@ static void walProcessFsyncTimer(void *param, void *tmrId) {
pWal->timer = NULL;
}
}
int64_t walGetVersion(twalh param) {
SWal *pWal = param;
if (pWal == 0) return 0;
return pWal->version;
}