My project github.com/robaho/go-concurrency-test <http://github.com/robaho/go-concurrency-test> may be of interest in evaluating this. The timings are old, but AFAIK the analysis still holds.
> On Oct 9, 2024, at 2:05 PM, Cleberson Pedreira Pauluci > <pauluci.cleber...@gmail.com> wrote: > > I'm wondering if using sync.Map wouldn't be the best option for performance > reasons for this application, since it's a specialized map implementation. > Does anyone know anything about this? > > Em quarta-feira, 9 de outubro de 2024 às 15:27:09 UTC-3, robert engels > escreveu: > The best way (imo) to perform the compaction is to use multiple sub maps - > i.e. partition the keys - and then you can compact these using RW locks to > limit the stop the world. > > >> On Oct 9, 2024, at 1:07 PM, Nico Braun <rainbo...@gmail.com >> <applewebdata://588B6985-596E-4D82-ACC6-5143DF9452B3>> wrote: >> > >> I started thinking about the compaction, and if there was a way to prevent >> stopping the world during cleanup. May be interesting to look how etcd or >> redis something does it. >> >> Could you use a RWMutex for this map, or is this not a good use case? >> >> On Wednesday 9 October 2024 at 08:36:34 UTC+2 Def Ceb wrote: >> I've found this package to be useful for this in the past: >> https://github.com/jellydator/ttlcache >> <https://github.com/jellydator/ttlcache> >> On Wed, Oct 9, 2024, 04:31 Cleberson Pedreira Pauluci <pauluci....@gmail.com >> <>> wrote: >> Hello. I found this very interesting. >> >> I have some questions: >> >> Have you considered the possibility of using time.Duration for the maxTTL >> parameter? >> Maybe wouldn't it be more interesting if each item had its own maxTTL >> instead of just one for any item on the map? >> >> If you'll allow me, I made those adaptations to your original code. >> Here's the example: https://go.dev/play/p/rba6HCJe-4X >> <https://go.dev/play/p/rba6HCJe-4X> >> >> Thanks. >> >> >> Em segunda-feira, 7 de outubro de 2024 às 16:37:53 UTC-3, Alex Pliutau >> escreveu: >> In some cases your application doesn’t need Redis, and internal in-memory >> map with locks and expiration will suffice. >> >> For example you already know the size of the map and you don’t need to store >> a lot of data. Use cases could be IP rate limiting, or any other short-lived >> data. >> >> Here is how you can implement this data structure in Go, let’s call it a >> TTLMap: >> >> https://gist.github.com/plutov/69d22552c696d48496563529c624e0b7 >> <https://gist.github.com/plutov/69d22552c696d48496563529c624e0b7> >> >> -- >> You received this message because you are subscribed to the Google Groups >> "golang-nuts" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to golang-nuts...@googlegroups.com <>. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/golang-nuts/a59272be-7277-4cb6-a7a7-8bf4bdcefc40n%40googlegroups.com >> >> <https://groups.google.com/d/msgid/golang-nuts/a59272be-7277-4cb6-a7a7-8bf4bdcefc40n%40googlegroups.com?utm_medium=email&utm_source=footer>. >> >> -- >> You received this message because you are subscribed to the Google Groups >> "golang-nuts" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to golang-nuts...@googlegroups.com >> <applewebdata://588B6985-596E-4D82-ACC6-5143DF9452B3>. > >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/golang-nuts/924e3ebf-c2a6-4288-be14-8b187a46ab25n%40googlegroups.com >> >> <https://groups.google.com/d/msgid/golang-nuts/924e3ebf-c2a6-4288-be14-8b187a46ab25n%40googlegroups.com?utm_medium=email&utm_source=footer>. > > > -- > You received this message because you are subscribed to the Google Groups > "golang-nuts" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to golang-nuts+unsubscr...@googlegroups.com > <mailto:golang-nuts+unsubscr...@googlegroups.com>. > To view this discussion on the web visit > https://groups.google.com/d/msgid/golang-nuts/fc43af25-566a-4e88-b1e3-ba97e226f351n%40googlegroups.com > > <https://groups.google.com/d/msgid/golang-nuts/fc43af25-566a-4e88-b1e3-ba97e226f351n%40googlegroups.com?utm_medium=email&utm_source=footer>. -- You received this message because you are subscribed to the Google Groups "golang-nuts" group. To unsubscribe from this group and stop receiving emails from it, send an email to golang-nuts+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/golang-nuts/77B221F4-9AB7-4304-9256-6552B660F1E2%40ix.netcom.com.
