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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.
* 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.
* 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
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