Dmitriy Samovskiy somic
somic
/ detect_missing_icmq_seq.awk
Created
November 23, 2010 17:46
AWK script to detect missing replies in Linux ping output, based on icmp_seq
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| #!/usr/bin/awk -f | |
| # | |
| # analyzes ping output on Linux and looks for missed returns | |
| # based on icmp_seq | |
| # | |
| # ping output is expected on stdin | |
| # | |
| BEGIN { num = 0 } | |
| $5 ~ /icmp_seq=/ { |
somic
/ spot_price_subsets.json
Created
December 2, 2010 04:14
http://somic.org/2010/12/02/unexpected-similarities-in-ec2-spot-price-history-between-regions/
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| {"us-east-1": {"m1.large": {"Windows": [[190, 210], [214, 217], [220], [241], [250], [257], [280], [350], [450], [500], [700]], "Linux/UNIX": [[114, 126], [140], [145], [150], [180], [200], [220], [300], [320], [330], [340], [350], [500], [680]], "SUSE/Linux": [[126, 140]]}, "m2.2xlarge": {"Windows": [[523, 577], [1500]], "Linux/UNIX": [[399, 441], [1000]], "SUSE/Linux": [[335, 371]]}, "m1.small": {"Windows": [[48, 52], [70], [125]], "Linux/UNIX": [[29, 31], [40], [45], [50], [85]], "SUSE/Linux": [[41, 45]]}, "c1.medium": {"Windows": [[119, 131], [151], [170], [200], [290], [450]], "Linux/UNIX": [[57, 63], [65], [67, 68], [70], [75], [80], [85], [90], [100], [110], [120]], "SUSE/Linux": [[69, 77]]}, "m1.xlarge": {"Windows": [[380, 420], [960]], "Linux/UNIX": [[228, 252]], "SUSE/Linux": [[240, 266]]}, "m2.xlarge": {"Windows": [[228, 252], [450], [620], [650]], "Linux/UNIX": [[162, 178], [184], [200], [220], [250], [300], [350], [500], [550], [560], [600], [750]], "SUSE/Linux": [[174, 192]]}, "t1.micro": {"Wind |
somic
/ revenue_maximizing_spot_price.py
Created
December 14, 2010 03:01
http://somic.org/2010/12/14/basics-iaas-spot-pricing/
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| def revenue_maximizing_spot_price(n, bids): | |
| assert len(bids) <= n, "does not work when the number of bids exceeds n" | |
| revenue, spot_price = max( | |
| [ (sum([p for x in bids if x >= p]), p) for p in bids ]) | |
| return spot_price, revenue | |
| if __name__ == '__main__': | |
| print revenue_maximizing_spot_price(10, [ 1, 2, 5, 50 ]) | |
| # -> (50, 50) | |
| print revenue_maximizing_spot_price(10, [ 1, 2, 5, 45, 50 ]) |
somic
/ category_plugin.rb
Created
March 2, 2011 23:37
How I organize posts in Jekyll (code snippets for blog post - see comments)
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| module Jekyll | |
| Page.class_eval { | |
| def clone | |
| Page.new(@site, @base, @dir, @name) | |
| end | |
| } |
somic
/ gist:6a62ea5e18bb087c2ce8
Created
February 5, 2016 20:50
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| #!/opt/sensu/embedded/bin/ruby | |
| # | |
| # Check num_occurrences_filter logic | |
| # | |
| # Reads sensu-server log on stdin, looks for messages that are | |
| # marked with 'event was filtered' and runs them through this tester handler | |
| # to make sure it would filter them as well | |
| # | |
| # http://github.com/yelp/sensu_handlers | |
| # |
somic
/ gist:93f965dbee9dcf48c4525fbd5aae809f
Created
October 19, 2016 23:33
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| $ diff -u f.py f1.py | |
| --- f.py 2016-10-19 18:31:41.000000000 -0500 | |
| +++ f1.py 2016-10-19 18:32:25.000000000 -0500 | |
| @@ -53,7 +53,7 @@ | |
| class DiscoveryServiceCached(DiscoveryService): | |
| def __init__(self, *args, **kwargs): | |
| - super(DiscoveryService.__class__, self).__init__(*args, **kwargs) | |
| + super(self.__class__, self).__init__(*args, **kwargs) | |
| self.hit_cache = {} |
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| require 'aws-xray-sdk' | |
| def random_sleep_under_1s | |
| r = Random.rand | |
| sleep r | |
| r | |
| end | |
| def xray(segment_name, method_name, with_subsegments: true) | |
| parent_id = ENV['_X_AMZN_TRACE_ID'].gsub(/.*Parent=/, '').split(';').first |
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