Like Prometheus, but for logs.

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Robert Fratto a237444f0d refactor(dataobj): invert dependency between dataobj and sections (#17762) ... Originally, the dataobj package was a higher-level API around sections. This design caused it to become a bottleneck: * Implementing any new public behaviour for a section required bubbling it up to the dataobj API for it to be exposed, making it tedious to add new sections or update existing ones. * The `dataobj.Builder` pattern was focused on constructing dataobjs for storing log data, which will cause friction as we build objects around other use cases. This PR builds on top of the foundation laid out by #17704 and #17708, fully inverting the dependency between dataobj and sections: * The `dataobj` package has no knowledge of what sections exist, and can now be used for writing and reading generic sections. Section packages now create higher-level APIs around the abstractions provided by `dataobj`. * Section packages are now public, and callers interact directly with these packages for writing and reading section-specific data. * All logic for a section (encoding, decoding, buffering, reading) is now fully self-contained inside the section package. Previously, the implementation of each section was spread across three packages (`pkg/dataobj/internal/encoding`, `pkg/dataobj/internal/sections/SECTION`, `pkg/dataobj`). * Cutting a section is now a decision made by the caller rather than the section implementation. Previously, the logs section builder would create multiple sections. For the most part, this change is a no-op, with two exceptions: 1. Section cutting is now performed by the caller; however, this shouldn't result in any issues. 2. Removing the high-level `dataobj.Stream` and `dataobj.Record` types will temporarily reduce the allocation gains from #16988. I will address this after this PR is merged.		1 year ago
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bitmask	chore(dataobj): introduce more efficient dataset reading (#16429)	1 year ago
bufpool	refactor(dataobj): invert dependency between dataobj and sections (#17762)	1 year ago
protocodec	refactor(dataobj): invert dependency between dataobj and sections (#17762)	1 year ago
sliceclear	chore(dataobj): Reintroduce sorting of the logs section (#15906)	1 year ago
slicegrow	perf: Reuse Values in dataobj.Reader to reduce allocs (#16988)	1 year ago
symbolizer	perf: Reuse Values in dataobj.Reader to reduce allocs (#16988)	1 year ago
windowing	refactor(dataobj): invert dependency between dataobj and sections (#17762)	1 year ago