longqueries.py
author Radek Brich <radek.brich@devl.cz>
Wed, 24 Jul 2013 13:11:37 +0200
changeset 84 3b5dd9efba35
parent 83 515fadd3d286
child 93 b72591087495
permissions -rwxr-xr-x
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#!/usr/bin/env python3.2
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from pgtoolkit import pgstats, toolbase
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from pycolib.ansicolor import highlight, YELLOW, BOLD
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class LongQueriesTool(toolbase.SimpleTool):
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    def __init__(self):
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        toolbase.SimpleTool.__init__(self, name='longqueries', desc='List long queries.')
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        self.parser.add_argument('--age', default='1m', help='How long must be the query running to be listed.')
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        self.init()
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    def main(self):
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        stats = pgstats.PgStats(self.pgm.get_conn('target'))
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        for ln in stats.list_long_queries(self.args.age):
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            print(highlight(1),
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                  'backend PID: ', ln['procpid'],
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                  ', query_start: ', ln['query_start'].strftime('%F %T'),
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                  ', client IP: ', ln['client_addr'],
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                  ln['waiting'] and ', ' + highlight(1, YELLOW|BOLD) + 'waiting' or '',
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                  highlight(0), sep='')
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            print(ln['query'])
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            print()
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tool = LongQueriesTool()
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tool.main()
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