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50 lines
1.6 KiB
Python
Executable file
50 lines
1.6 KiB
Python
Executable file
#!/usr/bin/env python
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import os
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from vendor.munin.cassandra import MuninCassandraPlugin
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class CassandraCFCountsPlugin(MuninCassandraPlugin):
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title = "read/write rate"
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args = "--base 1000 -l 0"
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vlabel = "ops per ${graph_period}"
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@property
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def fields(self):
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fs = []
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cfstats = self.cfstats()
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for kf, kfstats in cfstats.items():
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if not self.keyspaces or kf not in self.keyspaces:
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continue
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for cf, cfstats in kfstats['cf'].items():
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name = "%s_%s_reads" % (kf, cf)
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label = "%s.%s reads" % (kf, cf)
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fs.append((name, dict(
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label = label,
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info = label,
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type = "DERIVE",
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min = "0",
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)))
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name = "%s_%s_writes" % (kf, cf)
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label = "%s.%s writes" % (kf, cf)
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fs.append((name, dict(
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label = label,
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info = label,
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type = "DERIVE",
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min = "0",
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)))
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return fs
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def execute(self):
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cfstats = self.cfstats()
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values = {}
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for kf, kfstats in cfstats.items():
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if not self.keyspaces or kf not in self.keyspaces:
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continue
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for cf, cfstats in kfstats['cf'].items():
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name = "%s_%s" % (kf, cf)
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values["%s_reads" % name] = cfstats['Read Count']
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values["%s_writes" % name] = cfstats['Write Count']
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return values
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if __name__ == "__main__":
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CassandraCFCountsPlugin().run()
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