jt2594838 commented on code in PR #18456:
URL: https://github.com/apache/iotdb/pull/18456#discussion_r3765612913
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iotdb-core/datanode/src/main/java/org/apache/iotdb/db/conf/IoTDBConfig.java:
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@@ -219,6 +219,9 @@ public class IoTDBConfig {
/** The period when outdated wal files are periodically deleted. Unit:
millisecond */
private volatile long deleteWalFilesPeriodInMs = 20 * 1000L;
+ /** Whether WAL nodes cache their sorted WAL file lists. */
+ private boolean walFileListCacheEnabled = true;
Review Comment:
This change makes the cache opt-out rather than opt-in. The template and
configuration test are updated in the same change so a fresh DataNode and the
documented default remain aligned.
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