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HBASE-28303 Interrupt cache prefetch thread when a heap usage threshold is reached - #5615
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| double total = Runtime.getRuntime().maxMemory(); | ||
| double available = Runtime.getRuntime().freeMemory(); | ||
| double usedRatio = 1d - (available / total); | ||
| return heapUsageThreshold > usedRatio; |
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[nit] I found the hbase has of MemorySizeUtil.safeGetHeapMemoryUsage(); in region server to get heap usage and other place with a single instance, although I think it's still using these two methods at the end.
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It doesn't seem to get accurate values, specially when running in the UTs.
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wchevreuil
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recheck |
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Change-Id: I061961d69830fe25f9da5e4bdf7bab58129d94c4
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Change-Id: I475c889dd38582dc971e6b41a433b86ad209b3f1
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…ld is reached (#5615) Signed-off-by: Tak Lon (Stephen) Wu <taklwu@apache.org> Signed-off-by: Peter Somogyi <psomogyi@apache.org>
…ld is reached (#5615) Signed-off-by: Tak Lon (Stephen) Wu <taklwu@apache.org> Signed-off-by: Peter Somogyi <psomogyi@apache.org>
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