buchireddy opened a new issue #4401: Avoid creating garbage in variable length bytes store for offline dictionary URL: https://github.com/apache/incubator-pinot/issues/4401 This is coming from https://github.com/apache/incubator-pinot/pull/4321#discussion_r299724111 > Well, another options is to start with a size, and resize as needed. Chances are that we will resize to max quickly, i.e. without creating a lot of garbage. Of course, in the pathalogical case we will resize once per value, but that is no worse than allocating memory each time. I have found reducing garbage at lowest level reader/writers to help with high throughput-low latency use cases.
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