search for: asynchrony

Hey Alex, I was looking into figuring out a way to create a truely Asynchronis Socket type for Ruby, and thought I''d go down to the bare minimal implementation of it, to start creating a socket, and then I got to thinking. Looking at the wxWidgets C/C++ Code, it doesn''t do much different then what I''m doing, only in Ruby, so I thought maybe, as a way to avoid

...ther than engaging in a novel hash > function. Indeed that's what is happening now: > > https://alt.fedoraproject.org/en/verify.html If the output is produced with unordered writes, but the complete output needs to be verified with a hash *chain*, that still allows for some level of asynchrony. The start of the hashing need not be delayed until after the end of output, only after the start of output. For example, nbdcopy could maintain the highest offset up to which the output is contiguous, and on a separate thread, it could be hashing the output up to that offset. Considering a gigan...

...> > function. Indeed that's what is happening now: > > > > https://alt.fedoraproject.org/en/verify.html > > If the output is produced with unordered writes, but the complete output > needs to be verified with a hash *chain*, that still allows for some > level of asynchrony. The start of the hashing need not be delayed until > after the end of output, only after the start of output. > > For example, nbdcopy could maintain the highest offset up to which the > output is contiguous, and on a separate thread, it could be hashing the > output up to that off...

On Mon, Feb 27, 2023 at 08:42:23AM -0600, Eric Blake wrote: > Or intentionally choose a hash that can be computed out-of-order, such > as a Merkle Tree. But we'd need a standard setup for all parties to > agree on how the hash is to be computed and checked, if it is going to > be anything more than just a linear hash of the entire guest-visible > contents. Unfortunately I

Hi All, In my companies environment, we have multiple sites in multiple geographic locations, sometimes with high latency between the sites. I''m trying to come up with a solution that could provide puppet infrastructure to all sites nodes. ----a few assumptions--- - puppet manifest / configuration is fetched from a centralized version control system. - store db is needed (ssh keys,

Hi all, This is an alternative approach to atomic user transactions for btrfs. The old start/end ioctls suffer from some basic limitations, namely - We can''t properly reserve space ahead of time to avoid ENOSPC part way through the transaction, and - The process may die (seg fault, SIGKILL) part way through the transaction. Currently when that happens the partial transaction will