[lttng-dev] Unable to import big LTTng traces

[Radhika Chowdary]

Thanks for the replies. I think I should be patient while the trace file
imports

/Radhika

On Thu, Dec 13, 2012 at 11:38 PM, Alexandre Montplaisir <
alexmonthy at voxpopuli.im> wrote:

> On 12-12-12 12:59 AM, Radhika Chowdary wrote:
> > Hi
> >
> > I am using linuxtools plugins for importing LTTng traces. I have a trace
> > folder of size 400MB and when I try to import it in the Traces folder it
> > takes for ever to import it. At the bottom left corner I see Indexing...
> > Events view gets populated soon but not others.
>
> Hi,
>
> It is expected that the indexing phase takes a while for very large
> trace. It could probably be optimized a bit too, since we haven't spent
> much time on performance improvements. Good news is that once indexed,
> it will be faster to reopen the same trace later on.
>
> We have not yet implemented a percentage progression monitor for the
> indexing job. This is not trivial since it has to be implemented
> differently depending on the trace type, but would definitely be nice to
> have.
>
> If you use the latest master branch, the timestamps for the start and
> end of the histogram are now correctly formatted, so it is possible to
> know roughly where the indexing is at, provided you know the end time of
> your trace. I'd suggest trying that out to make sure it's not stopping
> at some point, which would be a bug.
>
> > Is there a limit on the size of traces that it can import?
>
> There is no theoretical limit on the trace size that can be imported. It
> is capped only by your patience ;)  and the amount of available disk
> space, since the index files can be quite big too.
>
>
> Cheers,
> Alex
>
>
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