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authoreta <eta@theta.eu.org>2020-10-04 13:54:11 +0100
committerMarvin W <git@larma.de>2020-10-06 18:05:25 +0200
commit9cc3382abe801f0be96b79dcfc9cd4ac0272befa (patch)
tree8b2c362e94f49f023216aae0fb8f5b122d51d9ab /plugins/omemo/src/jingle
parent7b58c1596aa13a7ef0dd7897e25f9a80c5929a07 (diff)
downloaddino-9cc3382abe801f0be96b79dcfc9cd4ac0272befa.tar.gz
dino-9cc3382abe801f0be96b79dcfc9cd4ac0272befa.zip
service/database: use WAL mode + safe PRAGMA synchronous setting
Setting PRAGMA synchronous = 0 is really unsafe, and leads to database corruption (which I've personally experienced). This commit uses SQLite's Write-Ahead Log (WAL) [1] instead, together with synchronous = NORMAL. According to [1], this trades off performance for durability (i.e. it's possible that some transactions may not have committed if the power gets lost), but still guarantees that the database won't corrupt itself. Together, these changes should improve reliability whilst either improving or having no effect on performance. [1]: https://www.sqlite.org/wal.html
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