She takes a checkpoint of the pool before performing the actions, then rewinds back to it if one of them fails or puts the pool into an unexpected state. Its generic use case is an administrator that is about to perform a set of destructive actions to ZFS as part of a critical procedure. It remembers the entire state of the pool at the point that it was taken and the user can revert back to it later or discard it. It can be thought of as a “pool-wide snapshot” (or a variation of extreme rewind that doesn’t corrupt your data). The idea of Storage Pool Checkpoint (aka zpool checkpoint) deals with exactly that. The potential negative performance impact is that we will be slightly reducing the size of the ARC (by ~3%). In real world workloads, this won't help as dramatically as the example above, but we think it's still worth it because the risk of decreasing performance is low. (We want it to be more than the 1/64th that the indirect blocks would use because we need to cache other stuff in the dbuf cache as well.) We suggest making the dbuf cache be 1/32nd of all memory, so that in this scenario we should be able to keep all the indirect blocks decompressed in the dbuf cache. If we are caching entire large files of recordsize=8K, the indirect blocks use 1/64th as much memory as the data blocks (assuming they have the same compression ratio). To reduce this decompression cost, we would like to increase the size of the dbuf cache so that more indirect blocks can be stored uncompressed. With compressed ARC (6950) we use up to 25% of our CPU to decompress indirect blocks, under a workload of random cached reads. Headlines ĩ188 increase size of dbuf cache to reduce indirect block decompression
Lucas on sponsor gifts, TCP blackbox recorder, and Dell disk system hacking.
Kody and London have a competition to see who can last in a hanging wedgie the longest.Ħ) Blake bullied and wedgied: Kody and London gang up on Blake and give her hard wedgies while she's wearing shorts, then they take her shorts off for more embarrassing wedgies.New ZFS features landing in FreeBSD, MAP_STACK for OpenBSD, how to write safer C code with Clang’s address sanitizer, Michael W. London gives Lora hard wedgies with her white bikini panties, then makes her change into a thong - more wedgies, then calls Kody in to give Lora a final hanging wedgie.ĥ) Hanging wedgie competition. Lora got a job at Hooters, really pissing London off who doesn't feel Lora deserves the job. London, Josie and Devyn all in a thong wedgie fight in shorts, then they all pants each other as the thong wedgie battle continues.Ĥ) Hooters hanging wedgie. In each scene London, then Josie then Devyn get ganged up on by the others and given an atomic wedgie.ģ) Thong wedgie fight. For each round the losing team gets wedgies as a punishment.Ģ) Gang atomic wedgies. Poll: Which video do you want me to post next?ġ) Tug of War: Kody, London, Josie and Devyn.
We also did 2 hanging wedgie scenes one with Lora then with Kody and London and a scene where Lora paddles, spanks and wedgies London. So if you love reality snotty college girl gets hard wedgies, you'll love her. For those who don't know her, she was in a few videos (search "blake") a while back but the girls don't like working with her due to her attitude. I'll do my very best to post a video today but if I can't then you'll get three next week starting with one posted tomorrow.Īll you'll see from this preview, Blake is back.
Ok everyone it has been a very long week and I still need to edit.