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Use metrics to track lease usage #8120

Closed
Tracked by #7497
yliang412 opened this issue Jun 20, 2024 · 1 comment · Fixed by #8147
Closed
Tracked by #7497

Use metrics to track lease usage #8120

yliang412 opened this issue Jun 20, 2024 · 1 comment · Fixed by #8147
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c/storage/pageserver Component: storage: pageserver

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yliang412 commented Jun 20, 2024 •
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Track how many leases are issued. Disk space can be also an indicator.
@yliang412 yliang412 mentioned this issue Jun 20, 2024
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@yliang412 yliang412 self-assigned this Jun 20, 2024
@yliang412 yliang412 added the c/storage/pageserver Component: storage: pageserver label Jun 20, 2024
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This week: implementation

@yliang412 yliang412 mentioned this issue Jun 24, 2024
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conradludgate pushed a commit that referenced this issue Jun 27, 2024
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feat(pageserver): add metrics for number of valid leases after each r…
e8b3aa5 
…efresh (#8147)

Part of #7497, closes #8120.

## Summary of changes

This PR adds a metric to track the number of valid leases after `GCInfo`
gets refreshed each time.

Besides this metric, we should also track disk space and synthetic size
(after #8071 is closed) to make sure leases are used properly.

Signed-off-by: Yuchen Liang <yuchen@neon.tech>
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feat(pageserver): add metrics for number of valid leases after each refresh neondatabase/neon
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