Manhee Jo

Korea Korea, South

NHN Entertainment

Advertising / Marketing / PR

[Hadoop 2009-2013] it's around 2009 when I first met hadoop. have managed a few clusters from some tens of machine cluster to 1000+ machine cluster. mobile spatial statistics are one of the applications we've implemented over the 1000+ machine cluster. implemented MR functions running daily/monthly to archive files into bigger ones using python and java. our 1000+ hadoop cluster is Highly Available by heartbeat and DRBD. have experiences on ganglia module implementation for hadoop monitoring, Hive, HDFS federation etc. cloudera certified hadoop administrator. [Log analysis 2014] before I left docomo, I had been working on access log analysis for d-market using splunk, R, and python. [Ad...