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KAFKA-19151: docs: clarify that flush.ms requires log.flush.scheduler.interval.ms config #19479

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merged 4 commits into from
Apr 17, 2025
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KAFKA-19151: docs: clarify that flush.ms requires log.flush.scheduler.interval.ms config #19479

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e4ccca6
docs: enhance the docs of flush.ms by reminding users the flush is tr…
yunchipang Apr 15, 2025
d845296
docs: replace double quotes with inline code; remove redundant explan…
yunchipang Apr 16, 2025
fbaa458
docs: fix FLUSH_MS_DOC
yunchipang Apr 16, 2025
845c741
docs: fix FLUSH_MS_DOC adding one space
yunchipang Apr 16, 2025
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7 changes: 4 additions & 3 deletions clients/src/main/java/org/apache/kafka/common/config/TopicConfig.java
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Original file line number Diff line number Diff line change
Expand Up @@ -58,9 +58,10 @@ public class TopicConfig {
public static final String FLUSH_MS_CONFIG = "flush.ms";
public static final String FLUSH_MS_DOC = "This setting allows specifying a time interval at which we will " +
"force an fsync of data written to the log. For example if this was set to 1000 " +
"we would fsync after 1000 ms had passed. In general we recommend you not set " +
"this and use replication for durability and allow the operating system's background " +
"flush capabilities as it is more efficient.";
"we would fsync after 1000 ms had passed. Note that this setting depends on the broker-level " +
"configuration <code>log.flush.scheduler.interval.ms</code>, which controls how frequently the flush check occurs. " +
"In general we recommend you not set this and use replication for durability and allow the operating system's " +
"background flush capabilities as it is more efficient.";

public static final String RETENTION_BYTES_CONFIG = "retention.bytes";
public static final String RETENTION_BYTES_DOC = "This configuration controls the maximum size a partition " +
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