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Caching subsys: db, filesystem, do we even need something? #504

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goodboy opened this issue Apr 26, 2023 · 0 comments

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goodboy commented Apr 26, 2023

Recently there's been some discussion on a caching layer for stuff like:

MktInfo data that will land in Rekt pps? problem? => piker.accounting #489
general provider symbology (schemas) and dynamic update of venue
instrument offerings
accounting state which is currently entirely managed in TOML files
on the local filesystem of the brokerd actor.
aggregated multi-trader order dialog states

maybe more?

FOSS systems worth checking out in this space:

we already are using elasticsearch for some option OI tracking
rocksdb: https://rocksdb.org/ (from META)
repo: https://github.com/facebook/rocksdb/
pyclient: https://github.com/stephan-hof/pyrocksdb

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