https://github.com/tomjridge/tjr_btree ? It is not hooked into mirage block device, so that might require some hacking.
On 14 November 2017 at 17:14, Gabriel de Perthuis <[email protected]> wrote: > Hello, > > I'm the developer of Wodan. Wodan itself is restricted to fixed-sized > keys and bounded-size values which might be too constraining for you. I > am currently working on an Irmin layer on top of it. It's currently in > a private branch until all tests pass; the chunking approach seems to > break the existing tests. > > Le 14/11/2017 à 15:39, Sven Anderson a écrit : > > Hi, > > > > TL;DR: what current persistent storage options are out there _now_? > > > > for our project (secure private key storage, > > https://github.com/keyfender) we need a persistent storage for our > > unikernel application, persistent in the meaning of surviving reboots of > > the unikernel. It doesn't have to be necessarily "local" in a sense of > > writing it to a storage device that the mirage unikernel has direct > > access to, it could also be another VM, that runs a network daemon that > > the unikernel is connecting to. The latter would have the advantage of > > giving us concurrency for multi-core or multi-node for free which we > > plan to support anyway. > > > > The data we need to store has a simple KV structure, for configuration > > and payload data, the keys are strings, the values are arbitrary ocaml > > objects, they could be serialized into json though, if necessary. The > > data amount is rather small, write rarely, read often (but should be > > cached locally, because of the pretty constant nature of the data). > > Consistency between different threads/nodes would be more important than > > IO performance. > > > > Now the question is: what options do we have, if any? > > > > Irmin seems to be a pretty good fit, giving us a distributed storage > > structure, and IIUC Irmin within MirageOS doesn't store locally but > > could use a Git server or Non-Mirage-Irmin-Server on another node as > > persistent storage, is this correct? > > > > What other options are out there? the Wodan project > > (https://github.com/g2p/wodan) is ready for "production"? > > > > Are there backends for standard SQL databases, like MariaDB/PostgreSQL? > > > > Thanks in advance for any pointers and hints! > > > > > > Cheers > > > > Sven > > > > _______________________________________________ > > MirageOS-devel mailing list > > [email protected] > > https://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel > > > > > _______________________________________________ > MirageOS-devel mailing list > [email protected] > https://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel >
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