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Idea #19923
closedkeep-balance experimental single-chunk mode
Story points:
2.0
Release:
Release relationship:
Auto
Description
Background: These features will enable us to collect data about the impact of sharding on keep-balance time and memory requirements. Our expectation is that sharding will ultimately enable keep-balance to scale by a few more orders of magnitude, and decrease its resource consumption for all cluster sizes.
Features:- If a hexadecimal prefix is specified on the command line (e.g., "f" or "0f"), keep-balance only balances blocks with that prefix.
- This only makes sense as a data-gathering experiment using the
-once
flag. - Statistics will be misleading, because they will still have labels like "total" but only report a small percentage of the blocks.
- At this stage we will not support an option to automatically run all shards sequentially or concurrently.
- This only makes sense as a data-gathering experiment using the
- Improve progress reporting while reading indexes from keepstore servers: e.g., every 5 minutes log "{volume}: received {N} blocks so far"
- Periodically report keep-balance's own memory usage
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