Marc-André Bombeck f2569b6fdf fix(restore): carry at most a hundred readings per insert statement ...

Prisma's debug logger keeps the arguments of its last hundred calls in
memory whether or not logging is on, and the client and the Postgres
adapter both log every statement with its parameters. A restore that
wrote 1 000 readings per statement therefore kept a copy of about the
last 100 000 readings alive for the whole measurement write: about
60 MB on 1.8 million Apple Health readings, next to a V8 heap limit of
524 MB in the default 1 GB container.

The bulk insert now splits whatever it is handed into statements of at
most 100 rows, which holds about 7 MB. The Apple Health export import
goes through the same helper and gets the same bound. The write costs a
little time: 94 s instead of 76 s for 1.8 million readings on a fast
host.

Refs #1031

2026-09-28 00:06:47 +02:00

..

fixtures/v137

Let a checkup be skipped or pushed back, and remember every outcome

2026-08-14 09:23:58 +02:00

integration

fix(restore): carry at most a hundred readings per insert statement

2026-09-28 00:06:47 +02:00