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srnd: saner default max message size

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cathugger 2019-04-06 20:36:54 +03:00
parent a207f1aaea
commit d8f888dffa
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1 changed files with 11 additions and 2 deletions
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13
contrib/backends/srndv2/src/srnd/store.go
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@ -26,8 +26,17 @@ import (
var ErrOversizedMessage = errors.New("oversized message")
// ~ 10 MB unbased64'd
const DefaultMaxMessageSize = 1024 * 1024 * 10
// (cathugger)
// my test showed that 8MiB of attachments split in 5 parts
// plus some text produce something close to typhical big message
// resulted in 11483923 bytes.
// that's consistent with rough size calculation mentioned in
// <https://en.wikipedia.org/wiki/Base64#MIME>
// ((origlen * 1.37) + 814)
// which resulted in 11493206 bytes for 8MiB of data.
// previous default of 10MiB (10485760) was too low in practice.
// use 11MiB (11534336) to leave some space for longer than usual texts.
const DefaultMaxMessageSize = 11 * 1024 * 1024
// HARD max message size
const MaxMessageSize = 1024 * 1024 * 1024