Optimize GCS Repo Uploads (#51596)#51618
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original-brownbear merged 1 commit intoelastic:7.xfrom Jan 29, 2020
original-brownbear:51596-7.x
Merged
Optimize GCS Repo Uploads (#51596)#51618original-brownbear merged 1 commit intoelastic:7.xfrom original-brownbear:51596-7.x
original-brownbear merged 1 commit intoelastic:7.xfrom
original-brownbear:51596-7.x
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For small uploads (that can still be up to 5MB!) we needlessly reading the `InputStream` into a BAOS which entailed allocating the `byte[]` for the stream contents twice (because to `toByteArray` on the BAOS copies). Also, for resumeable uploads we were needlessly wrapping the output channel and running each individual write in its own privileged context when we could just wrap the whole upload in a single privileged context. Relates #51593
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For small uploads (that can still be up to 5MB!) we needlessly
reading the
InputStreaminto a BAOS which entailed allocatingthe
byte[]for the stream contents twice (because totoByteArrayon the BAOS copies).Also, for resumeable uploads we were needlessly wrapping the output channel and running each individual write in its own privileged context when we could just wrap the whole upload in a single privileged context.
Relates #51593
backport of #51596