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enh: rename tsdb file

This commit is contained in:
Shengliang Guan 2023-01-31 16:28:28 +08:00
parent 5d8f05749c
commit 9f2078ae0d
2 changed files with 47 additions and 2 deletions
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2
source/dnode/mgmt/mgmt_vnode/src/vmHandle.c
View File

@ -342,7 +342,7 @@ int32_t vmProcessAlterHashRangeReq(SVnodeMgmt *pMgmt, SRpcMsg *pMsg) {
return -1;
}
dInfo("vgId:%d, open vnode", dstVgId);
dInfo("vgId:%d, start to open vnode", dstVgId);
SVnode *pImpl = vnodeOpen(dstPath, pMgmt->pTfs, pMgmt->msgCb);
if (pImpl == NULL) {
dError("vgId:%d, failed to open vnode at %s since %s", dstVgId, dstPath, terrstr());

47
source/dnode/vnode/src/vnd/vnodeOpen.c
View File

@ -107,6 +107,51 @@ int32_t vnodeAlterReplica(const char *path, SAlterVnodeReplicaReq *pReq, STfs *p
return 0;
}
int32_t vnodeRenameVgroupId(const char *srcPath, const char *dstPath, int32_t srcVgId, int32_t dstVgId, STfs *pTfs) {
int32_t ret = tfsRename(pTfs, srcPath, dstPath);
if (ret != 0) return ret;
char oldRname[TSDB_FILENAME_LEN] = {0};
char newRname[TSDB_FILENAME_LEN] = {0};
char tsdbPath[TSDB_FILENAME_LEN] = {0};
char tsdbFilePrefix[TSDB_FILENAME_LEN] = {0};
snprintf(tsdbPath, TSDB_FILENAME_LEN, "%s%stsdb", dstPath, TD_DIRSEP);
snprintf(tsdbFilePrefix, TSDB_FILENAME_LEN, "tsdb%sv", TD_DIRSEP);
STfsDir *tsdbDir = tfsOpendir(pTfs, tsdbPath);
if (tsdbDir == NULL) return 0;
while (1) {
const STfsFile *tsdbFile = tfsReaddir(tsdbDir);
if (tsdbFile == NULL) break;
if (tsdbFile->rname == NULL) continue;
tstrncpy(oldRname, tsdbFile->rname, TSDB_FILENAME_LEN);
char *tsdbFilePrefixPos = strstr(oldRname, tsdbFilePrefix);
if (tsdbFilePrefixPos == NULL) continue;
int32_t tsdbFileVgId = atoi(tsdbFilePrefixPos + 6);
if (tsdbFileVgId == srcVgId) {
char *tsdbFileSurfixPos = strstr(tsdbFilePrefixPos, "f");
if (tsdbFileSurfixPos == NULL) continue;
tsdbFilePrefixPos[6] = 0;
snprintf(newRname, TSDB_FILENAME_LEN, "%s%d%s", oldRname, dstVgId, tsdbFileSurfixPos);
vInfo("vgId:%d, rename file from %s to %s", dstVgId, tsdbFile->rname, newRname);
ret = tfsRename(pTfs, tsdbFile->rname, newRname);
if (ret != 0) {
vInfo("vgId:%d, failed to rename file from %s to %s since %s", dstVgId, tsdbFile->rname, newRname, terrstr());
tfsClosedir(tsdbDir);
return ret;
}
}
}
tfsClosedir(tsdbDir);
return 0;
}
int32_t vnodeAlterHashRange(const char *srcPath, const char *dstPath, SAlterVnodeHashRangeReq *pReq, STfs *pTfs) {
SVnodeInfo info = {0};
char dir[TSDB_FILENAME_LEN] = {0};
@ -158,7 +203,7 @@ int32_t vnodeAlterHashRange(const char *srcPath, const char *dstPath, SAlterVnod
}
vInfo("vgId:%d, start to rename %s to %s", pReq->dstVgId, srcPath, dstPath);
ret = tfsRename(pTfs, srcPath, dstPath);
ret = vnodeRenameVgroupId(srcPath, dstPath, pReq->srcVgId, pReq->dstVgId, pTfs);
if (ret < 0) {
vError("vgId:%d, failed to rename vnode from %s to %s since %s", pReq->dstVgId, srcPath, dstPath,
tstrerror(terrno));