Re: Re[2]: Cache operations performance metrics

2019-12-23 Thread Ilya Kasnacheev
Hello! Let me chime in to this discussion. If we are doing any new metrics, please make sure that they are accessible. I would expect that metrics are printed to console from time to time, at least when they deviate from norm. It would also help if they are available as Web Console screen, a sys

Re: Re[2]: Cache operations performance metrics

2019-12-20 Thread Andrey Gura
> but between to have something and have nothing i choose — something We already have "something". put, get, etc. metrics. As I told early it relatively useless. But the same metrics with histograms doesn't add any value. > i found 1 grid machine with very different io usage than others, «dig dee

Re[2]: Cache operations performance metrics

2019-12-20 Thread Zhenya Stanilovsky
>> Is it become slower or faster? > >Very correct question! User saw "cache put time" metric becomes x2 >bigger. Does it become slower or faster? Or we just put into the cache >values that 4x bigger in size? Or all time before we put values >locally and now we put values on remote nodes. Or our op