Performance improvements #1294
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dexX7
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Nov 10, 2023
Pull request description: * Switch Omni protocol validation to event driven using validation interface * Switch Omni specific data storage out of bitcoin core databases * Move global coins cache to local one * Simple and efficient mempool and transaction storage * Remove txindex hard requirements * Rework all database records to use binary prefix instead of string data * Remove usage of core mutexes to allow validation to work in its own thread * Omnicore could be started as prune node, a lightweight client Todo's: * Remove Omni specific coin selection from Bitcoin core * Remove Omni specific functions from Bitcoin wallet interface Pending: * Full resync to measure time and storage Fixes: #1293 #1294
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Currently Omni node uses strings to store records in databases, it uses twice more bytes compared to raw/binary data. The biggest problem is string parsing/splitting which result in slower performance.
callgrind.out.txt
Records in db should be updated to use prefixes and serialized/binary data instead of strings. Currently Omni node stores records in Bitcoin internal dbs which should be moved to specific Omni dbs. It will helpful to #1293
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