将hbase的 export HBASE_OPTS="-ea -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode" 改为

export HBASE_OPTS="-ea -XX:+UseConcMarkSweepGC -XX:+UseParNewGC -XX:CMSInitiatingOccupancyFraction=70"

导致导出器导出数据的速度变慢

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