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4 results tagged whisper x

Note: Bilan whisper et aggregationMethod

cd /opt/graphite/storage/whisper
find . -name "*.wsp" | xargs -I {} sh -c "echo -n '{} ' ; whisper-info.py {}|grep aggre|cut -d' ' -f2" > aggreg.dump

cut -d' ' -f2 aggreg.dump|sort|uniq -c

82024 average
2784 max
1378 min
8732 sum

grep -v stats aggreg.dump |cut -d' ' -f2|sort|uniq -c

59682 average

Donc oui, tous les whispers collectd sont en average.
February 3, 2016 at 2:49:31 PM GMT+1 - permalink - - https://links.infomee.fr/?CAc6mw

graphite whisper
lomik/go-carbon - Go

Golang implementation of Graphite/Carbon server with classic architecture: Agent -> Cache -> Persister

used by Doo 1M metric/sec (12 CPU)
January 18, 2016 at 2:57:11 PM GMT+1 - permalink - - https://github.com/lomik/go-carbon

carbon go graphite whisper

whisper calculator

!/usr/bin/env python

-- coding: utf-8 --

def archive_to_bytes(archive):
def to_seconds(s):
SECONDS_IN_A = {
's': 1,
'm': 1 60,
'h': 1 60 60,
'd': 1 60 60 24,
'y': 1 60 60 24 365,
}

    return int(s[:-1]) * SECONDS_IN_A[s[-1]]

archive = [map(to_seconds, point.split(':'))
           for point in args.archive.split(',')]

SIZE_METADATA = 2 * 4 + 4 + 4  # 16 [!2LfL]
SIZE_ARCHIVE_INFO = 3 * 4  # 12 [!3L]+
SIZE_POINT = 4 + 8  # 12 [!Ld]+

size = 0
for resolution, retention in archive:
    size += SIZE_ARCHIVE_INFO + SIZE_POINT * retention/resolution

if size:
    size += SIZE_METADATA

return size

if name == 'main':
import argparse

parser = argparse.ArgumentParser(
    description="Calculates the size of the whisper storage for the given \
            archive (in resolution:retention format, e.g. 1m:24h,5m:3m)"
)
parser.add_argument(
    'archive',
    help="Archive in storage-schemas.conf format (resolution:retention)"
)

args = parser.parse_args()

print "{} >> {} bytes".format(args.archive, archive_to_bytes(args.archive))

July 24, 2014 at 10:14:44 AM GMT+2 - permalink -

- https://gist.github.com/jjmaestro/5774063#file-whisper-calculator-py

calc graphite whisper

whisper dump
!/usr/bin/env python

import os
import mmap
import struct
import signal
import optparse

try:
import whisper
except ImportError:
raise SystemExit('[ERROR] Please make sure whisper is installed properly')

Ignore SIGPIPE

signal.signal(signal.SIGPIPE, signal.SIG_DFL)

option_parser = optparse.OptionParser(usage='''%prog path''')
(options, args) = option_parser.parse_args()

if len(args) != 1:
option_parser.error("require one input file name")
else:
path = args[0]

def mmap_file(filename):
fd = os.open(filename, os.O_RDONLY)
map = mmap.mmap(fd, os.fstat(fd).st_size, prot=mmap.PROT_READ)
os.close(fd)
return map

def read_header(map):
try:
(aggregationType,maxRetention,xFilesFactor,archiveCount) = struct.unpack(whisper.metadataFormat,map[:whisper.metadataSize])
except:
raise CorruptWhisperFile("Unable to unpack header")

archives = []
archiveOffset = whisper.metadataSize

for i in xrange(archiveCount):
try:
(offset, secondsPerPoint, points) = struct.unpack(whisper.archiveInfoFormat, map[archiveOffset:archiveOffset+whisper.archiveInfoSize])
except:
raise CorruptWhisperFile("Unable to read archive %d metadata" % i)
```
archiveInfo = {
  'offset' : offset,
  'secondsPerPoint' : secondsPerPoint,
  'points' : points,
  'retention' : secondsPerPoint * points,
  'size' : points * whisper.pointSize,
}
archives.append(archiveInfo)
archiveOffset += whisper.archiveInfoSize
```
header = {
'aggregationMethod' : whisper.aggregationTypeToMethod.get(aggregationType, 'average'),
'maxRetention' : maxRetention,
'xFilesFactor' : xFilesFactor,
'archives' : archives,
}
return header

def dump_header(header):
print 'Meta data:'
print ' aggregation method: %s' % header['aggregationMethod']
print ' max retention: %d' % header['maxRetention']
print ' xFilesFactor: %g' % header['xFilesFactor']
print
dump_archive_headers(header['archives'])

def dump_archive_headers(archives):
for i,archive in enumerate(archives):
print 'Archive %d info:' % i
print ' offset: %d' % archive['offset']
print ' seconds per point: %d' % archive['secondsPerPoint']
print ' points: %d' % archive['points']
print ' retention: %d' % archive['retention']
print ' size: %d' % archive['size']
print

def dump_archives(archives):
for i,archive in enumerate(archives):
print 'Archive %d data:' %i
offset = archive['offset']
for point in xrange(archive['points']):
(timestamp, value) = struct.unpack(whisper.pointFormat, map[offset:offset+whisper.pointSize])
print '%d: %d, %10.35g' % (point, timestamp, value)
offset += whisper.pointSize
print

if not os.path.exists(path):
raise SystemExit('[ERROR] File "%s" does not exist!' % path)

map = mmap_file(path)
header = read_header(map)
dump_header(header)
dump_archives(header['archives'])
July 24, 2014 at 10:13:52 AM GMT+2 - permalink - - http://bazaar.launchpad.net/~amos-shapira/graphite/whisper-dump/revision/733#whisper/bin/whisper-dump.py

dump graphite whisper

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cut -d' ' -f2 aggreg.dump|sort|uniq -c

grep -v stats aggreg.dump |cut -d' ' -f2|sort|uniq -c

!/usr/bin/env python

-- coding: utf-8 --

!/usr/bin/env python

Ignore SIGPIPE