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RELEASE_NOTES: add LMDB migration script (#1743)

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Sebastien Bourdeauducq 2023-05-09 14:56:06 +08:00
parent c53d333d46
commit e015483e48
1 changed files with 16 additions and 1 deletions
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RELEASE_NOTES.rst
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@ -27,7 +27,22 @@ Highlights:
* Full Python 3.10 support. * Full Python 3.10 support.
* Distributed DMA is now supported, allowing DMA to be run directly on satellites for corresponding * Distributed DMA is now supported, allowing DMA to be run directly on satellites for corresponding
RTIO events, increasing bandwidth in scenarios with heavy satellite usage. RTIO events, increasing bandwidth in scenarios with heavy satellite usage.
* Persistent datasets are now stored in a LMDB database for improved performance. * Persistent datasets are now stored in a LMDB database for improved performance. PYON databases can
be converted with the script below.
::
from sipyco import pyon
import lmdb
old = pyon.load_file("dataset_db.pyon")
new = lmdb.open("dataset_db.mdb", subdir=False, map_size=2**30)
with new.begin(write=True) as txn:
for key, value in old.items():
txn.put(key.encode(), pyon.encode(value).encode())
new.close()
ARTIQ-7 ARTIQ-7
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