Hi,

> Are the fields in the trace file documented? Like so:
> /*SQL l:1829 #:564 t:5*/
> What are l, #, and t?

The fields are not documented, except in the source code (Trace.java). They
are: length of statement, number (count) and time.

> Is "time" the wall-clock time, or cpu time given to h2?

It is wall-clock time. You can't easily get the CPU time in Java.

> How are self & accu related to time? What are they percentages of?

Do you know java -Xrunhprof? It's basically the same. See
http://docs.oracle.com/javase/7/docs/technotes/samples/hprof.html

Regards,
Thomas






On Mon, Oct 7, 2013 at 8:54 PM, Brian Craft <[email protected]> wrote:

> Also not sure what the translated stats mean
>
> -- SQL Statement Statistics
> -- time: total time in milliseconds (accumulated)
> -- count: how many times the statement ran
> -- result: total update count or row count
> -----------------------------------------
> -- self accu    time   count  result sql
> --  86%  86%    8936     257    1542 SELECT   [snipped  ....]
> --  13%  99%    1360     264  148896 SELECT  [snipped ....]
> --   0% 100%      25     249     249 SELECT  [snipped ....]
>
> Is "time" the wall-clock time, or cpu time given to h2?
>
> How are self & accu related to time? What are they percentages of?
>
> On Monday, October 7, 2013 11:18:24 AM UTC-7, Brian Craft wrote:
>>
>> Are the fields in the trace file documented? Like so:
>>
>> /*SQL l:1829 #:564 t:5*/
>>
>> What are l, #, and t?
>>
>>
>>  --
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