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Carlos Ramos Carreño
erp5
Commits
bf026b27
Commit
bf026b27
authored
Mar 14, 2013
by
Kazuhiko Shiozaki
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support using DBM as temporary storage to limit memory usage by '-d' or '--dbm'.
parent
b4647d63
Changes
1
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1 changed file
with
35 additions
and
11 deletions
+35
-11
erp5/util/zodbanalyze/__init__.py
erp5/util/zodbanalyze/__init__.py
+35
-11
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erp5/util/zodbanalyze/__init__.py
View file @
bf026b27
...
...
@@ -5,15 +5,26 @@
import
sys
import
os
import
getopt
import
anydbm
as
dbm
import
tempfile
import
shutil
from
ZODB.FileStorage
import
FileStorage
from
ZODB.utils
import
get_pickle_metadata
class
Report
:
def
__init__
(
self
):
def
__init__
(
self
,
use_dbm
=
False
):
self
.
use_dbm
=
use_dbm
if
use_dbm
:
self
.
temp_dir
=
tempfile
.
mkdtemp
()
self
.
OIDMAP
=
dbm
.
open
(
os
.
path
.
join
(
self
.
temp_dir
,
'oidmap.db'
),
'nf'
)
self
.
USEDMAP
=
dbm
.
open
(
os
.
path
.
join
(
self
.
temp_dir
,
'usedmap.db'
),
'nf'
)
else
:
self
.
OIDMAP
=
{}
self
.
USEDMAP
=
{}
self
.
TYPEMAP
=
{}
self
.
TYPESIZE
=
{}
self
.
USEDMAP
=
{}
self
.
TIDS
=
0
self
.
OIDS
=
0
self
.
DBYTES
=
0
...
...
@@ -91,12 +102,14 @@ def report(rep, csv=False):
rep
.
FBYTES
*
100.0
/
rep
.
DBYTES
,
rep
.
FBYTES
*
1.0
/
rep
.
FOIDS
)
def
analyze
(
path
):
def
analyze
(
path
,
use_dbm
):
fs
=
FileStorage
(
path
,
read_only
=
1
)
fsi
=
fs
.
iterator
()
report
=
Report
()
report
=
Report
(
use_dbm
)
for
txn
in
fsi
:
analyze_trans
(
report
,
txn
)
if
use_dbm
:
shutil
.
rmtree
(
report
.
temp_dir
)
return
report
def
analyze_trans
(
report
,
txn
):
...
...
@@ -120,6 +133,9 @@ def analyze_rec(report, record):
if
oid
not
in
report
.
OIDMAP
:
type
=
get_type
(
record
)
report
.
OIDMAP
[
oid
]
=
type
if
report
.
use_dbm
:
report
.
USEDMAP
[
oid
]
=
str
(
size
)
else
:
report
.
USEDMAP
[
oid
]
=
size
report
.
COIDS
+=
1
report
.
CBYTES
+=
size
...
...
@@ -127,6 +143,10 @@ def analyze_rec(report, record):
report
.
CBYTESMAP
[
type
]
=
report
.
CBYTESMAP
.
get
(
type
,
0
)
+
size
else
:
type
=
report
.
OIDMAP
[
oid
]
if
report
.
use_dbm
:
fsize
=
int
(
report
.
USEDMAP
[
oid
])
report
.
USEDMAP
[
oid
]
=
str
(
size
)
else
:
fsize
=
report
.
USEDMAP
[
oid
]
report
.
USEDMAP
[
oid
]
=
size
report
.
FOIDS
+=
1
...
...
@@ -147,6 +167,7 @@ usage: %(program)s [options] /path/to/Data.fs
Options:
-h, --help this help screen
-c, --csv output CSV
-d, --dbm use DBM as temporary storage to limit memory usage
"""
def
usage
(
stream
,
msg
=
None
):
...
...
@@ -160,16 +181,19 @@ def usage(stream, msg=None):
def
main
():
try
:
opts
,
args
=
getopt
.
getopt
(
sys
.
argv
[
1
:],
'hc
'
,
[
'help'
,
'csv
'
])
'hc
d'
,
[
'help'
,
'csv'
,
'dbm
'
])
path
=
args
[
0
]
except
(
getopt
.
GetoptError
,
IndexError
),
msg
:
usage
(
sys
.
stderr
,
msg
)
sys
.
exit
(
2
)
csv
=
False
use_dbm
=
False
for
opt
,
args
in
opts
:
if
opt
in
(
'-c'
,
'--csv'
):
csv
=
True
elif
opt
in
(
'-h'
,
'--help'
):
if
opt
in
(
'-d'
,
'--dbm'
):
use_dbm
=
True
if
opt
in
(
'-h'
,
'--help'
):
usage
(
sys
.
stdout
)
sys
.
exit
()
report
(
analyze
(
path
),
csv
)
report
(
analyze
(
path
,
use_dbm
),
csv
)
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