Re: 回复: data loss in different DC

2017-09-28 Thread Reynald Bourtembourg
Do you mean how often we should run repairs in this situation (write at CL=EACH_QUORUM and CL=LOCAL_QUORUM)? I don't consider myself as an expert in this domain, so I will let the real experts answer to this question... You can also refer to this mailing list history (many threads on this

Re: 回复: data loss in different DC

2017-09-28 Thread Jacob Shadix
How often are you running repairs? -- Jacob Shadix On Thu, Sep 28, 2017 at 7:53 AM, Reynald Bourtembourg < reynald.bourtembo...@esrf.fr> wrote: > Hi, > > You can write with CL=EACH_QUORUM and read with CL=LOCAL_QUORUM to get > strong consistency. > > Kind regards, > Reynald > > > On 28/09/2017

Re: 回复: data loss in different DC

2017-09-28 Thread Reynald Bourtembourg
Hi, You can write with CL=EACH_QUORUM and read with CL=LOCAL_QUORUM to get strong consistency. Kind regards, Reynald On 28/09/2017 13:46, Peng Xiao wrote: even with CL=QUORUM,there is no guarantee to be sure to read the same data in DC2,right? then multi DCs looks make no sense?