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rebuild stream backen from locak

This commit is contained in:
Yihao Deng 2024-01-18 04:06:25 +00:00
parent 567aab933d
commit 06c9b8974b
1 changed files with 13 additions and 20 deletions
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33
source/libs/stream/src/streamBackendRocksdb.c
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@ -500,34 +500,27 @@ int32_t backendCopyFiles(char* src, char* dst) {
// return 0;
}
int32_t rebuildFromLocalChkp(char* key, char* chkpPath, int64_t chkpId, char* defaultPath) {
int32_t code = -1;
int32_t len = strlen(defaultPath) + 32;
char* tmp = taosMemoryCalloc(1, len);
sprintf(tmp, "%s%s", defaultPath, "_tmp");
if (taosIsDir(tmp)) taosRemoveDir(tmp);
if (taosIsDir(defaultPath)) taosRenameFile(defaultPath, tmp);
if (taosIsDir(chkpPath) && isValidCheckpoint(chkpPath)) {
if (taosIsDir(tmp)) {
taosRemoveDir(tmp);
}
int32_t code = 0;
if (taosIsDir(defaultPath)) {
taosRemoveDir(defaultPath);
taosMkDir(defaultPath);
stInfo("succ to clear stream backend %s", defaultPath);
}
if (taosIsDir(chkpPath) && isValidCheckpoint(chkpPath)) {
code = backendCopyFiles(chkpPath, defaultPath);
if (code != 0) {
stError("failed to restart stream backend from %s, reason: %s", chkpPath, tstrerror(TAOS_SYSTEM_ERROR(errno)));
taosRemoveDir(defaultPath);
taosMkDir(defaultPath);
stError("failed to restart stream backend from %s, reason: %s, start to restart from empty path: %s", chkpPath,
tstrerror(TAOS_SYSTEM_ERROR(errno)), defaultPath);
code = 0;
} else {
stInfo("start to restart stream backend at checkpoint path: %s", chkpPath);
}
}
if (code != 0) {
if (taosIsDir(defaultPath)) taosRemoveDir(defaultPath);
if (taosIsDir(tmp)) taosRenameFile(tmp, defaultPath);
} else {
taosRemoveDir(tmp);
}
taosMemoryFree(tmp);
return code;
}