hbase-site.xml설정정보중

hbase.regionserver.global.memstore.size와 hfile.block.cache.size값을 플러스한 값이 0.8을 넘게 되면 아래와 같이 오류가 발생한다.

HTTP ERROR 500

Problem accessing /master-status. Reason:

    Current heap configuration for MemStore and BlockCache exceeds the threshold required for successful cluster operation. The combined value cannot exceed 0.8. Please check the settings for hbase.regionserver.global.memstore.size and hfile.block.cache.size in your configuration. hbase.regionserver.global.memstore.size is 0.4 hfile.block.cache.size is 0.5
Caused by:

java.lang.RuntimeException: Current heap configuration for MemStore and BlockCache exceeds the threshold required for successful cluster operation. The combined value cannot exceed 0.8. Please check the settings for hbase.regionserver.global.memstore.size and hfile.block.cache.size in your configuration. hbase.regionserver.global.memstore.size is 0.4 hfile.block.cache.size is 0.5
 at org.apache.hadoop.hbase.io.util.HeapMemorySizeUtil.checkForClusterFreeMemoryLimit(HeapMemorySizeUtil.java:64)
 at org.apache.hadoop.hbase.HBaseConfiguration.addHbaseResources(HBaseConfiguration.java:82)
 at org.apache.hadoop.hbase.HBaseConfiguration.create(HBaseConfiguration.java:96)
 at org.apache.hadoop.hbase.tmpl.master.AssignmentManagerStatusTmplImpl.renderNoFlush(AssignmentManagerStatusTmplImpl.java:53)
 at org.apache.hadoop.hbase.tmpl.master.AssignmentManagerStatusTmpl.renderNoFlush(AssignmentManagerStatusTmpl.java:145)
 at org.apache.hadoop.hbase.tmpl.master.MasterStatusTmplImpl.renderNoFlush(MasterStatusTmplImpl.java:307)
 at org.apache.hadoop.hbase.tmpl.master.MasterStatusTmpl.renderNoFlush(MasterStatusTmpl.java:379)
 at org.apache.hadoop.hbase.tmpl.master.MasterStatusTmpl.render(MasterStatusTmpl.java:370)
 at org.apache.hadoop.hbase.master.MasterStatusServlet.doGet(MasterStatusServlet.java:81)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:707)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
 at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:511)
 at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1221)
 at org.apache.hadoop.hbase.http.lib.StaticUserWebFilter$StaticUserFilter.doFilter(StaticUserWebFilter.java:113)
 at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1212)
 at org.apache.hadoop.hbase.http.HttpServer$QuotingInputFilter.doFilter(HttpServer.java:1350)
 at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1212)
 at org.apache.hadoop.hbase.http.NoCacheFilter.doFilter(NoCacheFilter.java:49)
 at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1212)
 at org.apache.hadoop.hbase.http.NoCacheFilter.doFilter(NoCacheFilter.java:49)
 at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1212)
 at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:399)
 at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)
 at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:182)
 at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:766)
 at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:450)
 at org.mortbay.jetty.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:230)
 at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
 at org.mortbay.jetty.Server.handle(Server.java:326)
 at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:542)
 at org.mortbay.jetty.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:928)
 at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:549)
 at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:212)
 at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404)
 at org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:410)
 at org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:582)
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