e place queues or locks
occur. IO (input-output) OS (operating systems) queues or locks are
very common and are hidden.
I hope this adds a bit more insight.
John Heenan
r
maintains a thread for each request, this means that each server needs
to be able to maintain nearly 114 threads per server at once. I am not
impressed by this.
Consider that Lighttpd can handle 10,000 requests per second ON A
SINGLE SERVER using year 2000 technology.
John Heenan
On Dec 2, 9:46 p
erged into
another, where Torvalds is said to play a key role. In addition, the
growing acceleration of kernel development has increased the time
Torvalds spends reviewing other kernel changes."
John Heenan
On Dec 2, 11:39 am, John Heenan wrote:
> The OP, Lorin, asked "What's the &
s he has had enough or wants to wind down,
'offcial' Linux continues on.
A professional approach requires hard fact and a serious approach to
legitimate issues that at the very least acknowledges legitimate
issues and avoids propaganda. Hard facts requires real world tests,
not evasion, de
real-time, distributed, and highly-available apps.
>
> Here's an example (maybe quoted one time too often):
>
> http://www.sics.se/~joe/apachevsyaws.html
>
>
>
> On Wed, Dec 1, 2010 at 6:45 PM, John Heenan wrote:
> > The elephant in the room has not gone away Mas
just does not sink
in. I even pointed out how Linux loast a PR war over this issue.
There is no need for Python based web frameworks to use thread per
request web serving.
John Heenan
On Nov 30, 4:05 am, mdipierro wrote:
> You achieve scalability by replicating the web server behind a l
back from web2py and then
3) updates the slave jqgrid table.
If this is what you want to do, then working through jqgrid
documentation and examples will help.
John Heenan
On Dec 1, 8:45 pm, Neveen Adel wrote:
> Hello,
>
> Is there a way to make jqgrid plugin to display data fro
using REAL
FastCGI are lost as web2py converts FastCGI to WGSI internally.
There is a slicehost entry that says it is using FastCGI but is really
using WGSI:
http://www.web2pyslices.com/main/slices/take_slice/68
John Heenan
On Oct 22, 12:10 pm, Jonathan Lundell wrote:
> I'd like to h
there is little
effective difference. However Apache was unable to scale as well as
the Microsoft IIS web server.
John Heenan
On Aug 26, 6:46 am, mdipierro wrote:
> the time to execute a typical web2py action my server is 10-20ms. The
> time to open a file or write a small file is so smal
olution is not healthy.
John Heenan
On Aug 26, 2:27 am, mdipierro wrote:
> On Aug 25, 11:00 am, Phyo Arkar wrote:
>
> > Did I Read that reading files inside controller will block web2py , Does it?
>
> No web2py does not block. web2py only locks sessions that means o
#x27; that affected the GIL. Also I don't think
there is a single experienced Python user that trusts the GIL.
John Heenan
On Aug 25, 12:40 pm, pierreth wrote:
> I don't understand. The link is broken at the moment.
>
> Do you mean using only on thread and dispatching using
Lee's 'The Problem with Threads' link is at
http://www.eecs.berkeley.edu/Pubs/TechRpts/2006/EECS-2006-1.pdf
There is in Lee at http://ptolemy.eecs.berkeley.edu/%7Eeal/
John Heenan
On Aug 25, 5:00 am, John Heenan wrote:
> Can't we at least have an acknowledgement that
Why should web2py be forced into using a thread model? Anyone who
writes PC applications avoids thread as if they are a plague. Even
academics openly call using threads evil. Here is an article by Edward
A. Lee professor at Berkely University with the title "The Problem
with Threads" (PDF
,
even on this forum, who will ridicule anyone who points out the
obvious. Expect abuse from this reply.
John Heenan
On Aug 24, 3:21 pm, mdipierro wrote:
> P.S. In the end the bottle neck is ALWAYS database access.
>
> On Aug 24, 12:20 am, mdipierro wrote:
>
> > In Java a serv
t the effort into getting skilled up using jqGrid.
I use web2py with jqGrid nearly every day for internal administration.
They work well together. Python and web2py gluon.serializers.json that
uses the simplejson contrib makes using jqGrid in web2py very
convenient.
John Heenan
Hi Wafto
Try replacing line
".fcgi" => (
with line
"/handler_web2py.fcgi" => (
You can find more information at
http://www.web2pyslices.com/main/slices/take_slice/57
If this does not work then please let us know what the server error
log s
thout
'INTEGER' added is accidental.
To understand why web2py will not work with external imported data
without the change, a relevant discussion of dynamic typing issues of
sqlite can be viewed in my recent post 'Subtle data integrity bug with
web2p' at
http://groups.google.com/group/web2py/browse_thread/thread/310ca5f727b70c84#
John Heenan
ked for the relevant table of an uploaded
application.
Thanks for the quick change.
Seems surreal that such a subtle data integrity bug could be fixed in
this manner!
John Heenan
On Jul 9, 11:04 pm, mdipierro wrote:
> Thanks for the explanation. It helps clarify a long standing problem.
>
7;. The
actual type of the sqlite imported date with an empty date is 'text'
but the type of the date field when entered through web2py is 'null'
instead!
This means the problem lies with web2py and is easily fixed. All
web2py needs to do when parsing dates is to treat a null and an empty
string the same way!
John Heenan
If my
web sites grows and I need to employ people I will seriously consider
porting the web site over to Django or Pylons first, if I don't see
better prospects for Web2py. Rather ironic, use Web2py for
prototyping, not the real world.
John Heenan
On Mar 6, 12:08 am, mdipierro wrote:
>
Maybe you have a relevant coherent point. But damned if I know what it
is.
John Heenan
On Mar 5, 9:45 pm, villas wrote:
> I said:
>
> > ... one thing's for sure, [multi-billion orporations] are not
> > evolving at our pace, and most of us are streets behind Massimo!
&g
nd to a certain extent the Python model. For example
Guido do not write the new version of the GIL following the exposure
of the 'Beazly Effect'.
H) Massimo is now open to discussion about a foundation.
As I said, we need to be realistic. Not well meaning.
John Heenan
On Mar 5, 10:33 am,
ant to the vast majority of us.
John Heenan
On Mar 4, 1:02 pm, mdipierro wrote:
> On Mar 3, 7:23 pm, John Heenan wrote:
>
> > On Mar 4, 2:17 am, mdipierro wrote:
>
> > > Some of the answers are funny. Mostly they are consistent with one
> > > exception.
> >
essively hammered Windows
and Windows users as dumb?
John Heenan
> On Mar 3, 10:10 am, Wobmofo wrote:
>
> > Here is the results (from only 11 responses):
>
> >http://spreadsheets.google.com/pub?key=tKCyJuTYjVuWHWNFyPcZ51w&single...
>
> >http://spreadsheets.go
y and low cpu use, no hard evidence
has been presented Apache can match Lighttpd and no serious attempt
has been made to present such hard evidence.
As I said before, can we PLEASE move on.
John Heenan
On Feb 21, 3:12 pm, Thadeus Burgess wrote:
> You need to change your tone of voice John
nised, not slurred.
mod_rewrite is not a burden.
It allows lighttpd to serve static file for web2py instead of web2py
serving them. This is a recognised benefit of using an external web
server for web2py.
John Heenan
On Feb 21, 3:49 am, Thadeus Burgess wrote:
> As another added note.I can
y be one instance of Python running on a tight VPS.
John Heenan
On Feb 20, 4:11 pm, mdipierro wrote:
> please do. I could use this.
>
> On Feb 19, 11:35 pm, John Heenan wrote:
>
> > Thanks.
>
> > From below we get the following resident memory use (RSS) for Apache
>
necessary
certificate files)
I have also added in some notes on accessing web2py admin without
starting up a new instance of Python. This works securely even without
enabling SSL for lighttpd.
John Heenan
On Feb 20, 4:19 am, raven wrote:
> Now that I have web2py working with lighttpd, instead of
VPS and am working on a stripped down /etc/
lighttpd.conf file that also includes SSL access. When it is ready I
will make the file available.
John Heenan
On Feb 20, 2:55 pm, Thadeus Burgess wrote:
> Happy ?
>
> ps aux | grep "apache" && ps aux | grep "wsgi"
John Heenan
On Feb 20, 7:33 am, Thadeus Burgess wrote:
> ps aux | grep "wsgi" && ps aux | grep "postgres" && ps aux | grep "python"
> USER PID %CPU %MEMVSZ RSS TTY STAT START TIME COMMAND
> www-data 3949 0.2 3.9 33
Raven
$SERVER["socket"] == "0.0.0.0:80" {
will allow all IP interfaces.
John Heenan
On Feb 19, 11:42 am, John Heenan wrote:
> Raven,
>
> 1) Use
> $SERVER["socket"] == "100.101.102.103" {
> instead of
> $HTTP["host"] == &q
e than
once then kill all fcgihandler.py python processes with
ps number
where number is the first number on each line of 'ps ax' that includes
fcgihandler.py.
Restart web2py with
python fcgihandler.py &
or similar
5) Check file nohup.out in /var/www/web2py for errors
John Heenan
e way' with minimal involvement.
John Heenan
On Feb 19, 5:10 am, raven wrote:
> Well, I gave this a try, and ended up with 404 errors.
>
> fcgihandler.py suggests adding to lighttpd.conf
>
> server.error-handler-404 = '/test.fcgi'
>
> This does not help, nor do
bout using the new
BEAUTIFY at http://www.web2pyslices.com/main/slices/take_slice/58
John Heenan
On Feb 18, 5:27 pm, John Heenan wrote:
> Thanks Massimo
>
> The keyfilter example you provided does not work but this one does
> with the current BEAUTIFY in the trunk
> keyfilter=lambd
ayout.html'}}
{{=BEAUTIFY(response._vars, keyfilter=lambda key: '
'.join([x.capitalize() for x in key[2:].split('_')]) if key[1]=='_'
else key)}}
John Heenan
On Feb 18, 6:47 am, mdipierro wrote:
> I looked again.
>
> You try to achieve two things:
> 1
Thanks for your comments Thadeus. As mentioned to Massimo, the normal
behaviour of BEAUTIFY is not altered by the sample code.
John Heenan
On Feb 17, 1:08 pm, Thadeus Burgess wrote:
> I will say this, it is alot better, because you can hardly even tell
> it is a prototyping table, it co
web2py core.
John Heenan
On Feb 17, 2:55 pm, mdipierro wrote:
> Sorry I did not comment. I think this this can be very useful but it
> should not be a replacement for the current beautify. I think it is
> important to leave the keys unchanged for debugging purposes. That is
> what
ve my changes overridden
every time I do an upgrade. Even a hook in a low level inherited base
class would be enough, if using the hook would enable the name of the
helper to be determined and to override the helper. However I reckon
this is too much to ask!
John Heenan
On Feb 17, 11:57 am, villas
tem.title,
b_custom=item.custom,
d_products= _product_list,
e_category_documentation=_document_list,
f_video=_video_list,
g_about=item.about,
))
As for the quality of the linked videos in the page, I received a
polite complaint from a senior executive of a well known corporat
slice to be an effective and practical example of the use of the
enhancement.
Thanks
John Heenan
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Get rid of the standard output redirect and append symbol for shell
use, '>>', in your crontab. Cron jobs do not use a shell. Standard
output is passed back to web2py and will appear in your web2py logs.
John Heenan
On Feb 14, 6:13 pm, Thadeus Burgess wrote:
> When runnin
nstalled. There is a coherent
presentation on this type of streaming, on what needs to be done to
video files and a video example at
http://flowplayer.org/plugins/streaming/pseudostreaming.html
John Heenan
On Feb 14, 1:44 am, mdipierro wrote:
> Very well done.
>
> Did you ever try strea
/main/slices/take_slice/57 as
before.
John Heenan
On Feb 13, 10:25 pm, raven wrote:
> Thank you for the lighttpd howto. It looks very helpful. Hopefully,
> I will be able to clear some time next week to give it a go.
>
> I noticed that, at the end, you spend time on URL remapping. &
As requested I have placed a howto on web2pysplices at
http://www.web2pyslices.com/main/slices/take_slice/57
I have written a considerable preface to clarify issues and to
indicate why we should pay attention to issues concerned with keeping
memory use low.
John Heenan
On Feb 13, 2:41 am
nt thread is to be closed down?
This is sending a bad message to anyone who has an agenda to push and
about how to achieve it in the face of unconformable plain fact. Just
bully your way through with ridicule, insults and tons of irrelevancy
John Heenan
On Feb 13, 12:41 am, mdipierro wrote:
>
pache with mod_wgsi for 'dynamaic
content', according to a link.
How bizarre. It appears Apache is so bloated for static content it is
unusable for tight VPS configurations.
John Heenan
On Feb 12, 6:30 pm, Graham Dumpleton
wrote:
> On Feb 12, 6:16 pm, John Heenan wrote:
>
> >
those he
regards as 'inferiors' or have others email me privately lauding him.
Graham can continue bore his 'inferior underlings' to tears with his
theories. Results is all that counts in the end, not theory.
John Heenan
On Feb 12, 3:14 pm, Graham Dumpleton
wrote:
> On Feb 1
provide.
John Heenan
On Feb 12, 12:44 pm, John Heenan wrote:
> Where is the perspective?
>
> 1) Even with an 'ideal configuration that does not use MPM pre-
> forking, Apache still uses threads to service each request (for static
> files). This is still more inefficient t
e Apache.
John Heenan
On Feb 12, 12:16 pm, Graham Dumpleton
wrote:
> On Feb 12, 1:04 pm, John Heenan wrote:
>
> > Hello Graham, whoever you are.
>
> > You sound highly confused, clueless aboout how to present objective
> > data and a fairly typical bombastic nerd
Hello Graham, whoever you are.
You sound highly confused, clueless aboout how to present objective
data and a fairly typical bombastic nerd of the type that clogs up and
plagues forums.
Get a life
John Heenan
On Feb 12, 11:32 am, Graham Dumpleton
wrote:
> On Feb 12, 9:59 am, John Hee
is
is what I use:
BIND_ADDRESS='/tmp/fcgi_handlerzgus.sock'
John Heenan
On Feb 12, 9:50 am, raven wrote:
> Thanks for the details on modifying the lighttpd configuration file.
> Actually, I am pretty confident about doing this, having modified it
> to connect to fossil.
>
(this gives me more control than using routes.out of routes.py).
John Heenan
server.modules = (
"mod_access",
"mod_alias",
"mod_compress",
"mod_rewrite",
"mod_fastcgi&
"I only use lightttpd for static pages and to remap URLs."
Plus a UNIX socket between lighttpd and web2py to service web2py
requests through FastCGI.
John Heenan
On Feb 12, 8:59 am, John Heenan wrote:
> How about web2py in a VPS using less than 40MB RAM?
>
> You can reduce
mory units are in KB
virtual memory units are 1024 byte units
lighttpd: resident memory 3660, virtual memory 59568
python for web2py: resident memory 32816, virtual memory 225824
This is the memory usage of a python console WITHOUT any imports:
resident memory 3580, virtual memory 24316
John Heen
oming from an environment where pointers to objects are regarded as
undesirable evils and maybe hidden (such as with references in C++
passed as function parameters).
I hope this helps.
John Heenan
On Feb 9, 5:22 am, snfctech wrote:
> I need to build an order-entry and tracking system for
e sun is still shining and the sky has not
fallen down because of users misbehaving!
John Heenan
def run(
appname,
plain=False,
import_models=False,
startfile=None,
):
"""
Start interactive shell or run Python script (startfile) in web2py
controller env
Since AchipA is working on other changes to cron.py and cron.py is
his, I think I should wait to see if AchipA includes additons with
Massimo's preferred format below before being so bold as to submit a
patch myself.
John Heenan
On Feb 9, 10:54 am, mdipierro wrote:
> I have no obje
un is
pushing GlassFish heavily into the enterprise environment.
Python based frameworks cannot expect to be competitive with PHP at
what PHP is best at (low resource usage) if Python frameworks don't
address issues in a practical way that are holding back their adoption
(such as resource usage lea
Hi AchipA
Another feature request, if the cron file is a python file, how about
a cron option to open the file and do an exec on the file contents?
Thanks
John Heenan
On Jan 31, 12:33 pm, John Heenan wrote:
> Hi AchipA
>
> Your cron is nice work and neatly deals with the mess
request to add in the following feature to your
cron fpr web2py.
Provide a mechanism to just perform a Python exec on a string
statment.
For example a string statement might be
"import a; a.mycronaction()"
Thanks
John Heenan
On Jan 31, 6:52 am, AchipA wrote:
> Just to chime in, I&
On Jan 25, 10:44 am, John Heenan wrote:
> The __call__ function of the Cache global class instance, cache, is
More confusion busting that is going off topic and should be placed in
a topic of its own that discusses style issues.
For those who are not adjusted to the 'web2py way
ache is
conditional on what the request method is (namely GET).
The above usage is just an alternative that modifiies the already
defined proxy function on a per request basis.
John Heenan
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tiveX
(or COM) was the latest sexy technology, when the Internet was
regarded as the Disneyland of public networks and when Microsoft was
stating they would not support the Internet. How ironic given how
closely Microsoft is now identified with the Internet by general
users.
John Heenan
--
You r
can be obtained from
http://sourceforge.net/projects/s3tools/files/s3cmd/#files
and can be quickly installed with 'python setup.py install'.
John Heenan
On Jan 11, 10:05 am, mdipierro wrote:
> One problem is the size of the web2py*.zip and the pdf documents. I
> host many of the
Sorry, fork is not the correct OS term, as the new process is not a
copy of the parent process. The new process is just that, a new
process.
John Heenan
On Jan 7, 11:14 am, John Heenan wrote:
> My logs indicate that a web2py soft cron command to execute a Python
> file at or after a
occupying memory, no matter for how short, that might risk
bringing the swap file into use.
Massimo's way of expiring sessions from the model file is less
resource intensive, if Python code is used.
John Heenan
2010-01-06 15:15:13,876 - INFO - WEB2PY CRON (soft): Application: zgus
exec
ory if not enough
RAM memory is available. The potential memory use of python is 236MB
(VSZ size).
Under these circumstances the web2py labelled 'soft cron' option is
attractive as no extra processes are spawned: the python process that
runs web2py runs web2py specific crontabs in web2py/app
On Jan 6, 1:40 am, John Heenan wrote:
>
> Here is a hint for using the book listed command
> nohup python web2py.py -S yourapp -R scripts/sessions2trash.py &
> in /etc/rc.local, to enable automatic start of this script on boot.
>
This hint is of course only relevant if you don
irst.
John Heenan
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2py.com/wiki
This is from http://www.mediawiki.org/wiki/Manual:Short_URL
http://example.com/wiki/Page_title (this is the standard, same as
in Wikipedia)
http://wiki.example.com/Page_title (not recommended!)
John Heenan
--~--~-~--~~~---~--~~
You received
the server can simply determine what a customer
wants to do and just simply just regenerate the data for display using
a different orderby. Hence you can get a lot of sophistication for a
little effort that avoids a complicated nightmare from messing about
with the browser DOM.
John Heenan
--~--~---
dit card number due to
security issues such as reuse of hard drive space that has not been
wiped and potential security accidents. Amazon AWS EC2 has had its
share of security embarrassments.
John Heenan
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You received this message because you are su
dit card number due to
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wiped and potential security accidents. Amazon AWS EC2 has had its
share of security embarrassments.
John Heenan
--~--~-~--~~~---~--~~
You received this message because you are su
ld go with the enterprise image Web2py is
portraying. All someone would need to do for Amazon EC2 would be to
prepare a suitable ami image and make it public. There does not appear
to be a way to do an equivalent for Slicehost (backed up server images
cannot be made public)
John Heenan
On Oct 2, 11:
account. I have lots of
flexibility for additions. Exactly what I want
Thank you Web2py and Python.
John Heenan
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it is a
small price to pay for being able to compile views.
John Heenan
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To uns
t.args and request.args[0] in ('register', 'login'):
auth.settings.table_user.username.writable=True
return dict(form=auth())
John Heenan
On Sep 17, 12:07 pm, mdipierro wrote:
> no, but there is a retrieve_username.
>
> Mind that web2py knows how t
lso include the username field
for user/retrieve_password ?
John Heenan
On Sep 16, 5:09 pm, John Heenan wrote:
> I want to make an added username field of a custom auth_user table
> writeable with registration.
>
> This is how the custom non writeable field is defined:
> db.
tings.table_user.username.writeable=True
return dict(form=auth())
The field does not change to a writeable one in the registration
action.
I don't know what else I need to do to make the field writeable.
John Heenan
--~--~-~--~~~---~--~~
You received this mes
t2'))
def test2():
if session.msg1:
response.flash=session.msg1
del session.msg1
return dict()
John Heenan
On Sep 16, 11:34 am, "mr.freeze" wrote:
> Session.flash is automatically copied to response.flash after
> redirection so you shouldn't n
omething I can do to change this or is there a convenient
workaround?
Saving the flash message using code in a module is hardly thread safe.
Besides it did not work.
Thanks
John Heenan
sample controller code:
def test1():
session.flash='redirect from test1()'
redirect(URL(r=re
if application_error_handler != None:
error_handler and application_error_handler need to have the same name
to allow web2py to startup.
John Heenan
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"web2py Web Framework&quo
f form.accept test is
conducted. If the test passes data is saved ot the database. If the
test fails the form is shown again with indications of where
validation failed.
If validation fails then forms.error is filled in and is used to
populate the error DIVs.
> Thank you.
Your welcome
John
eturn dict(form=crud())
Depending on what the crud form action is as determined from parsing
request.env.path_info use the approach in
http://mdp.cti.depaul.edu/AlterEgo/default/show/205
to determine how to layout the crud form
{{pass}}
John Heenan
On May 5, 12:19 am, John Heenan wrote:
>
r the crud
controller action
def data: return dict(form=crud())
Depending on what the crud form action is as determined from parsing
request.env.path_info use the approach in
http://mdp.cti.depaul.edu/AlterEgo/default/show/205
to determine how to layout the crud form
Regards
John Heenan
On
ate
action names and so form name manipulations for form actions.
John Heenan
On May 3, 10:54 am, John Heenan wrote:
> Hi Gary
>
> You have got an interesting approach. However I think it is more
> complicated than necessary for what you want to achieve.
>
> Since your goa
ml" %
(request.controller,request.function, request.args[0])
to only use the templates you want
Regards
John Heenan
On May 3, 3:37 am, Gary wrote:
> The following MVC is used to create/update/read a single table. The
> validation for not empty works with the {{=form}} but not the custom
> HT
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