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mysql_log_analyzer.py
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mysql_log_analyzer.py
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import re
from collections import defaultdict
import datetime
pattern = re.compile(r'(?i).+(query\t(select|update|insert|delete).+)\n')
def match_query(line):
m = pattern.match(line)
if m is not None:
return m.groups()[0]
return None
def format_query(line):
return line.lower().replace('query\t', '').replace('\t', ' ')
def aggregate(queries):
agg = defaultdict(int)
for q in queries:
agg[q] += 1
qs, counts = agg.keys(), agg.values()
new_agg = sorted(zip(counts, qs), reverse=True)
return new_agg
def as_html(queries):
return """<!DOCTYPE html>
<html>
<head>
<style type="text/css">
{css}
</style>
</head>
<body>
<div class="container">
<h1>Mysql General log analysis at {date}</h1>
<table>
{rows}
</table>
</div>
</body>
</html>
""".format(css='.container { width: 1200px; } table { width: 100%; border: 1px solid #ddd; table-layout: fixed; word-wrap: break-word; } td { width: 90%; border: 1px solid #ddd; border-collapse: collapse; } td+td { width: 9%; }',
date=str(datetime.datetime.now()),
rows='\n'.join(['<tr><td>%s</td><td>%s</td></tr>' % (q, c) for c, q in queries]))
def as_txt(queries):
return ['%s -> %d' % (q, c) for q, c in queries]
if __name__ == '__main__':
with open('/home/vineet/errorlogs/mysql/mysql.log') as f:
queries = (format_query(q) for
q in (match_query(line) for line in f)
if q is not None)
agg = aggregate(queries)
print as_html(agg)