Re: Is There a Way To Proactively Monitor Reads Returning No Data Due to Consistency Level?

2019-05-07 Thread Jeff Jirsa
Short answer is no, because missing consistency isn’t an error and there’s no way to know you’ve missed data without reading at ALL, and if it were ok to read at ALL you’d already be doing it (it’s not ok for most apps). > On May 7, 2019, at 8:05 AM, Fd Habash wrote: > > Typically, when a

Is There a Way To Proactively Monitor Reads Returning No Data Due to Consistency Level?

2019-05-07 Thread Fd Habash
Typically, when a read is submitted to C*, it may complete with … 1. No errors & returns expected data 2. Errors out with UnavailableException 3. No error & returns zero rows on first attempt, but returned on subsequent runs. The third scenario happens as a result of cluster entropy specially