Bryan Boreham 30d04792ca
[PERF] Remote-write: re-use memory to read WAL data (#16197)
The `:=` causes new variables to be created, which means the outer
slice stays at nil, and new memory is allocated every time round the
loop.

Extracted from https://github.com/prometheus/prometheus/pull/16182
Credit to @bwplotka.

Signed-off-by: Bryan Boreham <bjboreham@gmail.com>
2025-03-11 10:49:51 +00:00
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