We use the gcp profiler to get this kind of info. I'm torn, because on one hand it is handy to be able to have such information in the metrics system. But on the other hand you are kind of adding in extra profiling stuff when there are other profiling tools out there.
As another example would we ever add in page cache metrics for Druid? On Fri, Apr 19, 2019 at 3:39 PM Egor Ryashin <[email protected]> wrote: > > Hey, > > I wonder if we add a metric which shows query column decompression time, > does it make sense? When a segment is loaded by the Historical node into > memory the Historical has to decompress columns before filtering and > aggregation, and I don't have any information about how much the > decompression time contributes to the total query time. > > Thanks, > Egor --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
