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b2: reduce default --b2-upload-concurrency to 4 to reduce memory usage

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In v1.63 memory usage in the b2 backend was limited to `--transfers` *
`--b2-chunk-size`

However in v1.64 this was raised to `--transfers` * `--b2-chunk-size`
* `--b2-upload-concurrency`.

The default value for this was accidently set quite high at 16 which
means by default rclone could use up to 6.4GB of memory!

The new default sets a more reasonable (but still high) max memory of 1.6GB.
This commit is contained in:
Nick Craig-Wood 2023-09-25 15:24:55 +01:00
parent 5c48102ede
commit cb43e86d16
1 changed files with 1 additions and 1 deletions
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2
backend/b2/b2.go
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@ -159,7 +159,7 @@ concurrently.
Note that chunks are stored in memory and there may be up to Note that chunks are stored in memory and there may be up to
"--transfers" * "--b2-upload-concurrency" chunks stored at once "--transfers" * "--b2-upload-concurrency" chunks stored at once
in memory.`, in memory.`,
Default: 16, Default: 4,
Advanced: true, Advanced: true,
}, { }, {
Name: "disable_checksum", Name: "disable_checksum",