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add Tombstone property #847

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merged 4 commits into from
Nov 12, 2024
Merged

add Tombstone property #847

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820e238
add tombstone cluster property
Deflaimun Nov 11, 2024
e4b1482
Update modules/reference/pages/properties/cluster-properties.adoc
Deflaimun Nov 12, 2024
326cfd3
Update modules/reference/pages/properties/cluster-properties.adoc
Deflaimun Nov 12, 2024
6cb3e60
add related topic
Deflaimun Nov 12, 2024
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20 changes: 20 additions & 0 deletions modules/reference/pages/properties/cluster-properties.adoc
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Expand Up @@ -4856,6 +4856,26 @@ Transaction manager's synchronization timeout. Maximum time to wait for internal

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=== tombstone_retention_ms

The retention time for tombstone records in a compacted topic. Cannot be enabled at the same time as any of `cloud_storage_enabled`, `cloud_storage_enable_remote_read`, or `cloud_storage_enable_remote_write`. A typical default setting is `86400000`, or 24 hours.

*Unit:* milliseconds

*Requires restart:* No

*Visibility:* `user`

*Type:* integer

*Accepted values:* [`1`, `17592186044415`]

*Default:* `null`
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@WillemKauf WillemKauf Nov 11, 2024 •
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Not sure if we usually add recommended values for properties that default to null in the docs, but up to your discretion as to whether we want to mention a typical default of 24 hours/86400000 ms (see kafka docs here).

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If we have recommended values we can add them in the description cc @kbatuigas

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@Deflaimun Deflaimun Nov 11, 2024 •
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@WillemKauf per the code, look like this accepts negative values. Should this be a bounded_property to avoid this? I can add 0 as starting point too.

Asking because someties allowing negative numbers in time-based properties is intended

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The valid range is actually defined here: [1ms, 17592186044415] is correct.

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I notice some other time-based properties that might need fixing:

https://docs.redpanda.com/current/reference/properties/cluster-properties/#raft_replica_max_flush_delay_ms is also bounded by [1ms, 17592186044415] but is negative in the docs.

https://docs.redpanda.com/current/reference/properties/cluster-properties/#raft_heartbeat_interval_ms is also bounded by [1ms, 17592186044415] but is negative in the docs.

There are a lot more properties in core that should have these bounds enforced, but don't... hm.


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We could also add the main doc as a related topic? The xref will be xref:manage:cluster-maintenance/compaction-settings.adoc#tombstone-record-removal[Tombstone record removal]

*Related topics:* xref:manage:cluster-maintenance/compaction-settings.adoc#tombstone-record-removal[Tombstone record removal]

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=== topic_fds_per_partition

Required file handles per partition when creating topics.
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