Hi, > On 6. Nov 2024, at 07:35, Yu Kuai <yukuai1@xxxxxxxxxxxxxxx> wrote: > > Hi, > > 在 2024/11/05 18:15, Christian Theune 写道: >> Hi, >> after about 2 hours it stalled again. Here’s the full blocked process dump. (Tell me if this isn’t helpful, otherwise I’ll keep posting that as it’s the only real data I can show) > > This is bad news :( Yeah. But: the good new is that we aren’t eating any data so far … ;) > While reviewing related code, I come up with a plan to move bitmap > start/end write ops to the upper layer. Make sure each write IO from > upper layer only start once and end once, this is easy to make sure > they are balanced and can avoid many calls to improve performance as > well. Sounds like a plan! > However, I need a few days to cooke a patch after work. Sure thing! I’ll switch off bitmaps for that time - I’m happy we found a workaround so we can take time to resolve it cleanly. :) Thanks a lot for your help! Christian -- Christian Theune · ct@xxxxxxxxxxxxxxx · +49 345 219401 0 Flying Circus Internet Operations GmbH · https://flyingcircus.io Leipziger Str. 70/71 · 06108 Halle (Saale) · Deutschland HR Stendal HRB 21169 · Geschäftsführer: Christian Theune, Christian Zagrodnick