Hi Mike, It's blazing fast now again! Thanks for the fix and quick release :-)
Many Thanks, Pawel On Wednesday, 22 July 2015 18:38:58 UTC+2, Michael Bayer wrote: > > Hi Paweł - > > this is fixed in master and the rel_0_7 branch. I should be releasing > today. > > - mike > > > > On 7/22/15 6:10 AM, Paweł Piotr Przeradowski wrote: > > Hi, > > Thanks for reply. It completes with correct results. I am gonna send you a > stripped version of scrips in a private message. > > Pawel. > > On Tuesday, 21 July 2015 18:06:59 UTC+2, Michael Bayer wrote: >> >> >> >> On 7/21/15 7:32 AM, Paweł Piotr Przeradowski wrote: >> >> Hi, >> >> First of all thanks for alembic which is great asset to have in your >> development toolbelt. >> >> I am experiencing large slowdowns when generating offline or doing online >> migrations or even generating history. One of the CPU cores stays at 100% >> for a large number of seconds. >> >> I have 141 migrations >> 32 branchpoints and 40 merges >> >> >> >> The hardware is: >> Intel® Core™ i7-4510U CPU @ 2.00GHz × 4 >> with 8 GB of RAM >> >> >> >> Each time I do a merge the time seems to grows. It looks to me that >> alembic spends a lot of time calculating some dependency tree. Some timings >> on commands *minutes:seconds*: >> >> >> alembic history 1:31.57 total >> >> >> alembic downgrade head:325b273d61bd --sql 1:24.10 total // This just >> targets one migration >> >> >> Is this a known problem? Any way I can speed it up? >> >> >> not known at all, and it is likely a bug in the algorithm, but it's very >> weird that it comes up with an answer, rather than just going into a >> recursion overflow. it comes up with the right answer? can you supply >> your full migration script structure in a .tar.gz archive ? Just the >> scripts with the headers in them, I don't need the "upgrade()" or >> "downgrade()" methods to be filled in. thanks. >> >> >> -- > You received this message because you are subscribed to the Google Groups > "sqlalchemy-alembic" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to sqlalchemy-alembic+unsubscr...@googlegroups.com <javascript:>. > For more options, visit https://groups.google.com/d/optout. > > > -- You received this message because you are subscribed to the Google Groups "sqlalchemy-alembic" group. To unsubscribe from this group and stop receiving emails from it, send an email to sqlalchemy-alembic+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
