xicm commented on a change in pull request #4294:
URL: https://github.com/apache/hbase/pull/4294#discussion_r837312789
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File path:
hbase-balancer/src/main/java/org/apache/hadoop/hbase/master/balancer/RegionHDFSBlockLocationFinder.java
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@@ -60,6 +63,9 @@
private static final Logger LOG =
LoggerFactory.getLogger(RegionHDFSBlockLocationFinder.class);
private static final long CACHE_TIME = 240 * 60 * 1000;
private static final float EPSILON = 0.0001f;
+ // The max size of the cache,
+ private static final String BALANCER_REGIONBLOCKLOCATION_CACHE_MAX_SIZE =
+ "hbase.master.balancer.regionBlockLocation.cache.max.size";
Review comment:
Just give the cache an upper limit, you can see details at
https://issues.apache.org/jira/browse/HBASE-25624
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