Offline compaction fails with OutOfMemoryError exception causing the repository to grow without completing the cleanup phase.
Exception in thread "main" java.lang.OutOfMemoryError: Java heap space: failed reallocation of scalar replaced objects at java.lang.StringBuffer.toString(StringBuffer.java:671) at java.io.RandomAccessFile.readLine(RandomAccessFile.java:936) at org.apache.jackrabbit.oak.plugins.segment.file.FileStore.<init>(FileS tore.java:373) at org.apache.jackrabbit.oak.plugins.segment.file.FileStore.<init>(FileS tore.java:76) at org.apache.jackrabbit.oak.plugins.segment.file.FileStore$Builder.crea te(FileStore.java:286) at org.apache.jackrabbit.oak.run.Main.openFileStore(Main.java:407) at org.apache.jackrabbit.oak.run.Main.compact(Main.java:372) at org.apache.jackrabbit.oak.run.Main.main(Main.java:147)
- Increase the -Xms16G -Xmx16G and retry the offline compaction.
- Make sure that the oak-run tool version matches the oak-core version installed in your AEM instance.
- See this article with more tips on how to reduce memory utilization of offline compaction.
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