现象:hbase查询大表时,内存溢出
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解决方法:
vim /etc/hbase/conf.cloudera.hbase/hbase-env.sh
调整默认-Xmx268435456 为 -Xmx1073741824
export HBASE_OPTS="-Xmx1073741824 -XX:+HeapDumpOnOutOfMemoryError -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -Djava.net.preferIPv4Stack=true $HBASE_OPTS"
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