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HDFS-16541. Fix a typo in NameNodeLayoutVersion (#4176)

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Happy-shi 2022-04-19 01:23:57 +08:00 committed by GitHub
parent 900682e712
commit f74f241636
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1 changed files with 4 additions and 4 deletions
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hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/NameNodeLayoutVersion.java
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@ -66,10 +66,10 @@ public static boolean supports(final LayoutFeature f, final int lv) {
* layout version is the earliest prior version to which a downgrade is
* possible after initiating rolling upgrade. If the feature cannot satisfy
* compatibility with any prior version, then set its minimum compatible
* lqyout version to itself to indicate that downgrade is impossible.
* layout version to itself to indicate that downgrade is impossible.
* Satisfying compatibility might require adding logic to the new feature to
* reject operations or handle them differently while rolling upgrade is in
* progress. In general, it's possible to satisfy compatiblity for downgrade
* progress. In general, it's possible to satisfy compatibility for downgrade
* if the new feature just involves adding new edit log ops. Deeper
* structural changes, such as changing the way we place files in the metadata
* directories, might be incompatible. Feature implementations should strive
@ -98,7 +98,7 @@ public enum Feature implements LayoutFeature {
/**
* Feature that is added at layout version {@code lv} - 1.
* @param lv new layout version with the addition of this feature
* @param minCompatLV minimium compatible layout version
* @param minCompatLV minimum compatible layout version
* @param description description of the feature
*/
Feature(final int lv, int minCompatLV, final String description) {
@ -106,7 +106,7 @@ public enum Feature implements LayoutFeature {
}
/**
* NameNode feature that is added at layout version {@code ancestoryLV}.
* NameNode feature that is added at layout version {@code ancestorLV}.
* @param lv new layout version with the addition of this feature
* @param ancestorLV layout version from which the new lv is derived from.
* @param minCompatLV minimum compatible layout version