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"description": "The minimum age of an L0 object before it becomes eligible for garbage collection."
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},
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{
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"name": "fetch_max_read_concurrency",
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"type": "integer",
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"default": 1,
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"description": "The maximum number of concurrent partition reads per fetch request on each shard. Setting this higher than the default can lead to partition starvation and unneeded memory usage."
"description": "Enables removal of transactional control batches during compaction. These batches are removed according to a topic's configured delete.retention.ms, and only if the topic's cleanup.policy allows compaction."
Copy file name to clipboardExpand all lines: modules/get-started/pages/release-notes/redpanda.adoc
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@@ -133,7 +133,7 @@ Redpanda 25.3 introduces the following configuration properties:
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* xref:reference:properties/cluster-properties.adoc#fetch_max_read_concurrency[`fetch_max_read_concurrency`]: Maximum concurrent partition reads per fetch request
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* xref:reference:properties/cluster-properties.adoc#kafka_max_message_size_upper_limit_bytes[`kafka_max_message_size_upper_limit_bytes`]: Maximum allowed `max.message.size` topic property value
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* xref:reference:properties/cluster-properties.adoc#kafka_produce_batch_validation[`kafka_produce_batch_validation`]: Validation level for produced batches
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* xref:reference:properties/cluster-properties.adoc#log_compaction_disable_tx_batch_removal[`log_compaction_disable_tx_batch_removal`]: Disable transactional batch removal during compaction
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* xref:reference:properties/cluster-properties.adoc#log_compaction_tx_batch_removal_enabled[`log_compaction_tx_batch_removal_enabled`]: Enable transactional batch removal during compaction
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* xref:reference:properties/cluster-properties.adoc#sasl_mechanisms_overrides[`sasl_mechanisms_overrides`]: SASL authentication mechanisms per listener
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=== Changes to default values
@@ -149,6 +149,7 @@ The following configuration properties have new default values in v25.3:
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The following configuration properties have been deprecated in v25.3 and will be removed in a future release:
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* `kafka_memory_batch_size_estimate_for_fetch`: No replacement. Remove from configuration.
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* `log_compaction_disable_tx_batch_removal`: Use xref:reference:properties/cluster-properties.adoc#log_compaction_tx_batch_removal_enabled[`log_compaction_tx_batch_removal_enabled`] instead. Note the inverted logic: the new property enables the behavior when set to `true`.
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* `log_message_timestamp_alert_after_ms`: Use xref:reference:properties/cluster-properties.adoc#log_message_timestamp_after_max_ms[`log_message_timestamp_after_max_ms`] instead.
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* `log_message_timestamp_alert_before_ms`: Use xref:reference:properties/cluster-properties.adoc#log_message_timestamp_before_max_ms[`log_message_timestamp_before_max_ms`] instead.
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* `raft_recovery_default_read_size`: No replacement. Remove from configuration.
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