peterxcli commented on code in PR #8572:
URL: https://github.com/apache/ozone/pull/8572#discussion_r2144298388
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hadoop-hdds/framework/src/main/java/org/apache/hadoop/hdds/utils/db/RocksDBConfiguration.java:
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@@ -84,6 +84,13 @@ public class RocksDBConfiguration {
+ "Default 0 means no limit.")
private long walSizeLimit = 0;
+ @Config(key = "rocksdb.manual.compaction.max.sub.compactions",
+ type = ConfigType.INT,
+ defaultValue = "1",
+ tags = {OM},
+ description = "Maximum number of sub compactions to use when manual
compacting. Default 1 means no limit.")
+ private int manualCompactionMaxSubCompactions = 1;
Review Comment:
https://github.com/facebook/rocksdb/wiki/Subcompaction#options
> The option
[max_subcompactions](https://github.com/facebook/rocksdb/blob/15053f3ab47839bc14dc31a8a62df1d23f6babbe/include/rocksdb/options.h#L719-L725)
limits the max number of subcompactions for each compaction. By default,
max_subcompactions = 1, which means it is disabled.
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