A break down of S3 failed connections from tomcat broken down by count per hour.

awk 'BEGIN{RS="\n2016";ORS="\n\n2016";FS=OFS="\n"}/com.amazonaws.AmazonClientException: Unable to execute HTTP request: Timeout waiting for connection from pool/' ~tomcat/logs/mytomcat.log.2016-11-12 | grep -o '....-..-.. ..:' | sort | uniq -c
    406 2016-11-12 16:
    784 2016-11-12 17:
    379 2016-11-12 18: