[Config] Document 'snapshot' and 'wal' configuration settings #4023
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doc/code_snippets/snippets/config/instances.enabled/persistence_snapshot/config.yaml
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| - :ref:`wal.cleanup_delay <configuration_reference_wal_cleanup_delay>` | ||
| - :ref:`wal.dir <configuration_reference_wal_dir>` | ||
| - :ref:`wal.dir_rescan_delay <configuration_reference_wal_dir_rescan_delay>` | ||
| - :ref:`wal.max_size <configuration_reference_wal_max_size>` | ||
| - :ref:`wal.mode <configuration_reference_wal_mode>` | ||
| - :ref:`wal.queue_max_size <configuration_reference_wal_queue_max_size>` | ||
| - :ref:`wal.ext.* <configuration_reference_wal_ext>` | ||
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| - :ref:`wal.ext.new <configuration_reference_wal_ext_new>` | ||
| - :ref:`wal.ext.old <configuration_reference_wal_ext_old>` | ||
| - :ref:`wal.ext.spaces <configuration_reference_wal_ext_spaces>` |
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There is also wal.retention_period, see https://github.com/tarantool/enterprise_doc/issues/266. The documentation request covers the new box.cfg option, but in fact it is added into the declarative configuration schema too. It seems, it is 3.1 feature (but it is better to consult with @Serpentian about all the details).
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It seems, it is 3.1 feature
It is. Only 3.1 version
| Limiting the queue size might be useful when a replica is trying to sync with a master and | ||
| reads new transactions faster than writing them to the WAL. |
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How limiting the queue size helps in this scenario?
If WAL writes are going too slow on a replica, how more frequent flushing of the queue make thing better?
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Thanks for working on these topics!
I've glanced on the updates and gave several remarks. I've no other objections and the pull request is OK for me after addressing all the comments. No need to re-review with me, but, please, reach me if something needs a discussion.
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requested review from
andreyaksenov
and removed request for
andreyaksenov
Fixes #4013
Fixes #3668
Fixes #3727
Fixes #3396