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https://github.com/tahoe-lafs/tahoe-lafs.git
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Move DeepStats to separate file as dirnode is a bit too large to work with comfortably.
This commit is contained in:
Vladimir Rusinov
committed by
Brian Warner
Brian Warner
parent
0cea91d737
commit
73fabaec19
@ -1,26 +1,26 @@
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import time, math, unicodedata
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import time, unicodedata
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from zope.interface import implements
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from twisted.internet import defer
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from foolscap.api import fireEventually
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import simplejson
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from allmydata.deep_stats import DeepStats
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from allmydata.mutable.common import NotWriteableError
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from allmydata.mutable.filenode import MutableFileNode
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from allmydata.unknown import UnknownNode, strip_prefix_for_ro
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from allmydata.interfaces import IFilesystemNode, IDirectoryNode, IFileNode, \
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IImmutableFileNode, IMutableFileNode, \
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ExistingChildError, NoSuchChildError, ICheckable, IDeepCheckable, \
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MustBeDeepImmutableError, CapConstraintError, ChildOfWrongTypeError
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from allmydata.check_results import DeepCheckResults, \
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DeepCheckAndRepairResults
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from allmydata.monitor import Monitor
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from allmydata.util import hashutil, mathutil, base32, log
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from allmydata.util import hashutil, base32, log
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from allmydata.util.encodingutil import quote_output
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from allmydata.util.assertutil import precondition
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from allmydata.util.netstring import netstring, split_netstring
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from allmydata.util.consumer import download_to_data
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from allmydata.uri import LiteralFileURI, from_string, wrap_dirnode_cap
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from allmydata.uri import wrap_dirnode_cap
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from pycryptopp.cipher.aes import AES
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from allmydata.util.dictutil import AuxValueDict
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@ -794,111 +794,6 @@ class DirectoryNode:
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return self.deep_traverse(DeepChecker(self, verify, repair=True, add_lease=add_lease))
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class DeepStats:
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def __init__(self, origin):
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self.origin = origin
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self.stats = {}
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for k in ["count-immutable-files",
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"count-mutable-files",
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"count-literal-files",
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"count-files",
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"count-directories",
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"count-unknown",
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"size-immutable-files",
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#"size-mutable-files",
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"size-literal-files",
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"size-directories",
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"largest-directory",
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"largest-directory-children",
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"largest-immutable-file",
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#"largest-mutable-file",
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]:
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self.stats[k] = 0
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self.histograms = {}
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for k in ["size-files-histogram"]:
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self.histograms[k] = {} # maps (min,max) to count
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self.buckets = [ (0,0), (1,3)]
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self.root = math.sqrt(10)
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def set_monitor(self, monitor):
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self.monitor = monitor
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monitor.origin_si = self.origin.get_storage_index()
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monitor.set_status(self.get_results())
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def add_node(self, node, childpath):
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if isinstance(node, UnknownNode):
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self.add("count-unknown")
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elif IDirectoryNode.providedBy(node):
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self.add("count-directories")
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elif IMutableFileNode.providedBy(node):
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self.add("count-files")
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self.add("count-mutable-files")
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# TODO: update the servermap, compute a size, add it to
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# size-mutable-files, max it into "largest-mutable-file"
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elif IImmutableFileNode.providedBy(node): # CHK and LIT
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self.add("count-files")
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size = node.get_size()
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self.histogram("size-files-histogram", size)
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theuri = from_string(node.get_uri())
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if isinstance(theuri, LiteralFileURI):
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self.add("count-literal-files")
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self.add("size-literal-files", size)
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else:
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self.add("count-immutable-files")
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self.add("size-immutable-files", size)
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self.max("largest-immutable-file", size)
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def enter_directory(self, parent, children):
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dirsize_bytes = parent.get_size()
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if dirsize_bytes is not None:
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self.add("size-directories", dirsize_bytes)
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self.max("largest-directory", dirsize_bytes)
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dirsize_children = len(children)
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self.max("largest-directory-children", dirsize_children)
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def add(self, key, value=1):
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self.stats[key] += value
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def max(self, key, value):
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self.stats[key] = max(self.stats[key], value)
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def which_bucket(self, size):
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# return (min,max) such that min <= size <= max
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# values are from the set (0,0), (1,3), (4,10), (11,31), (32,100),
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# (101,316), (317, 1000), etc: two per decade
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assert size >= 0
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i = 0
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while True:
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if i >= len(self.buckets):
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# extend the list
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new_lower = self.buckets[i-1][1]+1
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new_upper = int(mathutil.next_power_of_k(new_lower, self.root))
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self.buckets.append( (new_lower, new_upper) )
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maybe = self.buckets[i]
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if maybe[0] <= size <= maybe[1]:
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return maybe
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i += 1
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def histogram(self, key, size):
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bucket = self.which_bucket(size)
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h = self.histograms[key]
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if bucket not in h:
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h[bucket] = 0
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h[bucket] += 1
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def get_results(self):
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stats = self.stats.copy()
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for key in self.histograms:
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h = self.histograms[key]
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out = [ (bucket[0], bucket[1], h[bucket]) for bucket in h ]
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out.sort()
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stats[key] = out
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return stats
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def finish(self):
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return self.get_results()
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class ManifestWalker(DeepStats):
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def __init__(self, origin):
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DeepStats.__init__(self, origin)
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@ -968,5 +863,3 @@ class DeepChecker:
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# use client.create_dirnode() to make one of these
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