Ceph入门到精通-生产异常修复 UserAsyncRefreshHandler::init_fetch

 "backtrace": [
        "/lib64/libpthread.so.0(+0x12c20) [0x7fbe9348bc20]",
        "(UserAsyncRefreshHandler::init_fetch()+0x4e) [0x7fbe9e44691e]",
        "(RGWQuotaCache::async_refresh(rgw_user const&, rgw_bucket const&, RGWQuotaCacheStats&)+0x19f) [0x7fbe9e44ac9f]",
        "(RGWQuotaCache::get_stats(rgw_user const&, rgw_bucket const&, RGWStorageStats&, optional_yield, DoutPrefixProvider const*)+0x113) [0x7fbe9e44df73]",
        "(RGWQuotaHandlerImpl::check_quota(rgw_user const&, rgw_bucket&, RGWQuotaInfo&, RGWQuotaInfo&, unsigned long, unsigned long, optional_yield)+0x12d) [0x7fbe9e44e72d]",
        "(rgw::sal::RGWRadosBucket::check_quota(RGWQuotaInfo&, RGWQuotaInfo&, unsigned long, optional_yield, bool)+0x45) [0x7fbe9e537a75]",
        "(RGWPutObj::execute(optional_yield)+0x10a6) [0x7fbe9e4196c6]",