Solaris

"endTime :1488902691462"

{"endTime":1488902691462,"startTime":1488902691462,"operationIdentity":"publishCacheStatistics","name":"murex.limits.utilities.cache.statistics.CacheStatisticsTimerTask","context":{"parentContext":{"id":-1,"parentContext":null},"data":[{"value":"GlobalRuleCache:Util_Algos_Ctp_Notional_Bar:ValidationRuleRepository","key":"name"},{"value":"0","key":"hits"},{"value":"0","key":"misses"},{"value":"0","key":"count"},{"value":"0","key":"maxElements"},{"value":"0","key":"evictions"},{"value":"Default","key":"policy"}],"id":0}}
{"endTime":1488902691471,"startTime":1488902691471,"operationIdentity":"publishCacheStatistics","name":"murex.limits.utilities.cache.statistics.CacheStatisticsTimerTask","context":{"parentContext":{"id":-1,"parentContext":null},"data":[{"value":"GlobalRuleCache:Diff_Bar_No_Engine:ValidationRuleRepository","key":"name"},{"value":"0","key":"hits"},{"value":"0","key":"misses"},{"value":"0","key":"count"},{"value":"0","key":"maxElements"},{"value":"0","key":"evictions"},{"value":"Default","key":"policy"}],"id":9}}

 awk -v RS=':|,' '/endTime/{getline;val=val>$0?val:$0} END{print val}'  Input_file

grep -ho '"endTime":[^,]*' *.tps | sort -r | head -1

perl -ne 'BEGIN {$search="endTime"; $max=0} if (/"$search":([0-9]*)/ && $1>$max) {$max=$1; $fname=$ARGV;} END {printf "%s \"%s\" %s\n",$fname,$search,$max}' *.tps

import glob
import re

in_file = "*.tps"

e_time = []

for file in glob.glob(in_file):
    with open(file, 'r') as f:
        for line in f:
            pattern = re.search('(?<=endTime":)\w+', line)
            e_time.append(pattern.group(0))

print(max(e_time))

find . -name '*.tps' -exec sed '/endTime/!d; s/{//; s/,.*//' {} + | sort -r | head -1