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22 lines
565 B
Plaintext
22 lines
565 B
Plaintext
---
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syntax: markdown
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tags: [tldr, common]
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source: https://github.com/tldr-pages/tldr.git
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---
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# pg_test_fsync
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> Determine the fastest wal_sync_method on your system.
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> More information: <https://www.postgresql.org/docs/current/pgtestfsync.html>.
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- Run the default fsync benchmark (5 seconds):
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`pg_test_fsync`
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- Specify a custom test duration:
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`pg_test_fsync {{[-s|--secs-per-test]}} {{seconds}}`
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- Use a specific filename (it must be in same file system that the pg_wal directory is or will be placed in):
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`pg_test_fsync {{[-f|--filename]}} {{path/to/file}}`
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