Bazaar still below the radar when evaluating VCS tools

[Gary van der Merwe]

On Sun, Feb 28, 2010 at 8:03 AM, Teemu Likonen <tlikonen at iki.fi> wrote:
> * 2010-02-26 22:25 (+0100), Roland Mas wrote:
>
>> Parth Malwankar, 2010-02-26 23:27:17 +0530 :
>>> One thing I think that has hit bzr is the "its slow" tag. While this
>>> is no longer the case this tag has stayed.
>>
>> Allow me to slightly disagree there. I'll be the first to admit the
>> “throughput” performance has increased impressively over time, there
>> are still places where “slow” is the correct term.
>
>> Bazaar has definitely left the “unusably slow” category, and everyone
>> involved in that has my most grateful thanks. But it's still not in
>> the “fast” category. “Fast enough for common cases”, yes; unqualified
>> “fast”, not yet.
>
> My current use of Bzr is just pull/log/diff in the Emacs repository.
> Besides "bzr pull" I often notice delays with log commands:
>
>    $ time bzr log -l10 -n0 >/dev/null
>
>    real    0m8.103s
>    user    0m7.788s
>    sys     0m0.268s
>
> When the nearly-official Git mirror is up-to-date enough I use it
> instead:
>
>    $ time git log -10 >/dev/null
>
>    real    0m0.007s
>    user    0m0.004s
>    sys     0m0.004s
>
> Eight seconds is not unusably slow for me but I think everyone prefers
> 0.007 seconds to 8.1 seconds (both numbers are with warm cache).
>
> Obviously not all branches and repositories are like Emacs' but I
> believe that speed is still an important factor when evaluating whether
> a VCS tool is "below [or above] the radar".
>
>

I believe that you are comparing apples with oranges by using bzr log -n0.