below are the sample of two rows from the 3gb input file.

P[containerVrsn:U(0)recordVrsn:U(0)size:U(564)ownGid:G[mdp:U(111817873
+8)seqNo:U(109)]logicalDbNo:U(1)classVrsn:U(1)timeStamp:U(0)dbRecord:T
+[classNo:U(1091971)size:U(536)updateVersion:U(4685)checksum:U(1697637
+779)EPC_UsageControlAccumulatedPot:R[subscriberId:S12("918722933152")
+usageControlAccum:S547("{\"reportingGroups\":[{\"absoluteAccumulated\
+":{\"counters\":[{\"bidirVolume\":782373665,\"name\":\"base\"}],\"exp
+iryDate\":{\"volume\":\"08-12-2014T00:00:00\"},\"previousExpiryDate\"
+:{\"time\":\"08-11-2014T00:00:00\",\"volume\":\"08-11-2014T00:00:00\"
+},\"reportingLevel\":\"totalTraffic\",\"resetPeriod\":{\"volume\":\"3
+0 days\"}},\"name\":\"110\",\"restartInfo\":\"08-11-2014T00:00:00\",\
+"selected\":\"yes\",\"subscriberGroupName\":\"KA_NF_1_25G20K_30\",\"s
+ubscriptionDate\":\"08-11-2014T00:00:00\",\"validityTime\":1800}],\"v
+ersion\":\"2.1\"}\n")]]]
P[containerVrsn:U(0)recordVrsn:U(0)size:U(564)ownGid:G[mdp:U(111817873
+8)seqNo:U(112)]logicalDbNo:U(1)classVrsn:U(1)timeStamp:U(0)dbRecord:T
+[classNo:U(1091971)size:U(536)updateVersion:U(159)checksum:U(13173327
+11)EPC_UsageControlAccumulatedPot:R[subscriberId:S12("919743708573")u
+sageControlAccum:S545("{\"reportingGroups\":[{\"absoluteAccumulated\"
+:{\"counters\":[{\"bidirVolume\":3533123434,\"name\":\"base\"}],\"exp
+iryDate\":{\"volume\":\"13-05-2013T23:59:59\"},\"previousExpiryDate\"
+:{\"time\":\"14-04-2013T00:00:00\",\"volume\":\"14-04-2013T00:00:00\"
+},\"reportingLevel\":\"totalTraffic\",\"resetPeriod\":{\"volume\":\"3
+0 days\"}},\"name\":\"110\",\"restartInfo\":\"14-04-2013T00:00:00\",\
+"selected\":\"no\",\"subscriberGroupName\":\"KA_3NFUP_3G80K_30\",\"su
+bscriptionDate\":\"14-04-2013T00:00:00\",\"validityTime\":1800}],\"ve
+rsion\":\"2.0\"}")]]]
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