[google-appengine] API to get a list of deployed applications to GAE
Hello All, I'm wondering if there is API that can be used by developers to retrieve a list of their deployed application to GAE? -- You received this message because you are subscribed to the Google Groups Google App Engine group. To unsubscribe from this group and stop receiving emails from it, send an email to google-appengine+unsubscr...@googlegroups.com. To post to this group, send email to google-appengine@googlegroups.com. Visit this group at http://groups.google.com/group/google-appengine. For more options, visit https://groups.google.com/groups/opt_out.
[google-appengine] Re: API to get a list of deployed applications to GAE
Sorry, I forget to tell u that I need a java API for the below purpose On Thursday, July 25, 2013 12:05:51 PM UTC+2, e.ho...@fci-cu.edu.eg wrote: Hello All, I'm wondering if there is API that can be used by developers to retrieve a list of their deployed application to GAE? -- You received this message because you are subscribed to the Google Groups Google App Engine group. To unsubscribe from this group and stop receiving emails from it, send an email to google-appengine+unsubscr...@googlegroups.com. To post to this group, send email to google-appengine@googlegroups.com. Visit this group at http://groups.google.com/group/google-appengine. For more options, visit https://groups.google.com/groups/opt_out.
Re: [google-appengine] Re: Flood of warm up requests!
Same issue for me right now. I'm going to try the redeploy trick. Peter On Friday, June 28, 2013 1:35:41 AM UTC+2, husayt wrote: We experience the same issue with thousands of warmup requests. What is going on? Why nobody from google has not replied yet? On Wednesday, 26 June 2013 17:43:10 UTC+1, Rafael Sanches wrote: Same here. It's extremely frustrating that the appengine team wasn't capable of making a very simple configuration that would solve many issues with the crazy scheduler: - Make it possible to spin up JUST one new instance at time. On frontends use the resident instance while that ONE new instance is booting. - Only after that ONE instance is up and executing requests, warmup another one (only if necessary, which in 99% of the cases isn't necessary unless you're running an apache bench service). This would come very handy in B8 backends for example. Because my java instances take a while to boot, I often find myself with 10 B8 instances warming up. Extremely wasteful. It would be cheaper for me to hire a fulltime person to be manually pushing the shutdown instance button. Unfortunately there's no visibility when this extremely simple feature will be done. Till then, let's keep with high costs for things we don't use :) On Wed, Jun 26, 2013 at 9:31 AM, David turnt...@gmail.com wrote: I am also seeing 3 warm up requests per minute for nearly a day now on my GAE for Java app. And often this is happening when there is no incoming traffic to my app. My idle instances are also set to 1-1, yet my charged hours are above this limit. The dashboard shows up to 8 running instances at times, with the app being charged for 3 or 4 instances. The dashboard also reports that 5% of these warm ups also fail. Will someone from Google please let me know how I can follow up so as not to be overcharged for this usage? Thanks, David On Tuesday, June 25, 2013 4:49:00 PM UTC-4, chilang wrote: Hi, I'm seeing 15 warm up requests per secs causing 60+ instances to be spin up, despite having little traffic! I haven't changed anything (code nor settings) recently. This has started in the last 2 hours. I've only noticed this due to app suddenly running out of quota. I'm trying to cap Idle Instances to 1-1 to no avail. I've increased the quota but at this rate it is going to burn through it very soon. Anyone else seeing this ? Regards, Chi Lang -- You received this message because you are subscribed to the Google Groups Google App Engine group. To unsubscribe from this group and stop receiving emails from it, send an email to google-appengi...@googlegroups.com. To post to this group, send email to google-a...@googlegroups.com. Visit this group at http://groups.google.com/group/google-appengine. For more options, visit https://groups.google.com/groups/opt_out. -- You received this message because you are subscribed to the Google Groups Google App Engine group. To unsubscribe from this group and stop receiving emails from it, send an email to google-appengine+unsubscr...@googlegroups.com. To post to this group, send email to google-appengine@googlegroups.com. Visit this group at http://groups.google.com/group/google-appengine. For more options, visit https://groups.google.com/groups/opt_out.
[google-appengine] saving google user details to datastore... but will they be kept to update?
Hi, If I save details to the datastore with something like User user = userService.getCurrentUser(); Entity greeting = new Entity(Greeting, guestbookKey); greeting.setProperty(user, user); That user then changers their nickname, I then query the datastore for that greeting entity. I then display properties from the user object I saved will those details be up to date? so will it now show the users new nickname? If not can I save the userID and then is their an api to get user details based on an ID? Thanks Aidan -- You received this message because you are subscribed to the Google Groups Google App Engine group. To unsubscribe from this group and stop receiving emails from it, send an email to google-appengine+unsubscr...@googlegroups.com. To post to this group, send email to google-appengine@googlegroups.com. Visit this group at http://groups.google.com/group/google-appengine. For more options, visit https://groups.google.com/groups/opt_out.
[google-appengine] Where to place dispatch.xml file (app engine sdk 1.8.2)
Hi, I am just wondering where to put dispatch.xml file in a java application having multiple modules. It has not been specified anywhere in the docs. -- You received this message because you are subscribed to the Google Groups Google App Engine group. To unsubscribe from this group and stop receiving emails from it, send an email to google-appengine+unsubscr...@googlegroups.com. To post to this group, send email to google-appengine@googlegroups.com. Visit this group at http://groups.google.com/group/google-appengine. For more options, visit https://groups.google.com/groups/opt_out.
[google-appengine] Add missing content- and cache-control headers/metadata to cloudstorage/common (issue 11802047)
Reviewers: tkaitchuck, huebsch_google.com,
Description:
Makes cloudstorage_test.CloudStorageTest.testGzip and testStat tests of
appengine-gcs-client pass.
Fixes:
* https://code.google.com/p/googleappengine/issues/detail?id=9740
* https://code.google.com/p/appengine-gcs-client/issues/detail?id=14
Please review this at https://codereview.appspot.com/11802047/
Affected files:
M google/appengine/ext/cloudstorage/common.py
Index: google/appengine/ext/cloudstorage/common.py
===
--- google/appengine/ext/cloudstorage/common.py (revision 367)
+++ google/appengine/ext/cloudstorage/common.py (working copy)
@@ -76,8 +76,11 @@
_GCS_BUCKET_REGEX = re.compile(_GCS_BUCKET_REGEX_BASE + r'$')
_GCS_BUCKET_PATH_REGEX = re.compile(r'/' + _GCS_BUCKET_REGEX_BASE + r'$')
_GCS_FULLPATH_REGEX = re.compile(r'/' + _GCS_BUCKET_REGEX_BASE + r'/.*')
-_GCS_OPTIONS = ('x-goog-acl',
-'x-goog-meta-')
+_GCS_METADATA = ['x-goog-meta-',
+ 'content-disposition',
+ 'cache-control',
+ 'content-encoding']
+_GCS_OPTIONS = _GCS_METADATA + ['x-goog-acl']
CS_XML_NS = 'http://doc.s3.amazonaws.com/2006-03-01'
@@ -128,8 +131,9 @@
etag: hex digest of the md5 hash of the file's content. str.
st_ctime: posix file creation time. float compatible.
content_type: content type. str.
- metadata: a str-str dict of user specified metadata from the
-x-goog-meta header, e.g. {'x-goog-meta-foo': 'foo'}.
+ metadata: a str-str dict of user specified options when creating
+the file. Possible keys are x-goog-meta-, content-disposition,
+content-encoding, and cache-control.
self.filename = filename
self.st_size = long(st_size)
@@ -159,9 +163,9 @@
def get_metadata(headers):
- Get user defined metadata from HTTP response headers.
+ Get user defined options from HTTP response headers.
return dict((k, v) for k, v in headers.iteritems()
- if k.startswith('x-goog-meta-'))
+ if any(k.lower().startswith(valid) for valid in
_GCS_METADATA))
def validate_bucket_name(name):
@@ -244,7 +248,7 @@
for k, v in options.iteritems():
if not isinstance(k, str):
raise TypeError('option %r should be a str.' % k)
-if not any(k.startswith(valid) for valid in _GCS_OPTIONS):
+if not any(k.lower().startswith(valid) for valid in _GCS_OPTIONS):
raise ValueError('option %s is not supported.' % k)
if not isinstance(v, basestring):
raise TypeError('value %r for option %s should be of type
basestring.' %
--
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Re: [google-appengine] SendGrid Integration
Hmm is this a sign that Google will soon remove the email functionality (at least for new applications)? I've been wondering how email will work when Google removes the Google Apps requirement for domains. -- You received this message because you are subscribed to the Google Groups Google App Engine group. To unsubscribe from this group and stop receiving emails from it, send an email to google-appengine+unsubscr...@googlegroups.com. To post to this group, send email to google-appengine@googlegroups.com. Visit this group at http://groups.google.com/group/google-appengine. For more options, visit https://groups.google.com/groups/opt_out.
Re: [google-appengine] Re: Flood of warm up requests!
I've noticed that this kind of behaviour started at least three weeks ago and I've posted about it at least two weeks ago without responses. 2013/7/25 Peter Backx peter.ba...@gmail.com Same issue for me right now. I'm going to try the redeploy trick. Peter On Friday, June 28, 2013 1:35:41 AM UTC+2, husayt wrote: We experience the same issue with thousands of warmup requests. What is going on? Why nobody from google has not replied yet? On Wednesday, 26 June 2013 17:43:10 UTC+1, Rafael Sanches wrote: Same here. It's extremely frustrating that the appengine team wasn't capable of making a very simple configuration that would solve many issues with the crazy scheduler: - Make it possible to spin up JUST one new instance at time. On frontends use the resident instance while that ONE new instance is booting. - Only after that ONE instance is up and executing requests, warmup another one (only if necessary, which in 99% of the cases isn't necessary unless you're running an apache bench service). This would come very handy in B8 backends for example. Because my java instances take a while to boot, I often find myself with 10 B8 instances warming up. Extremely wasteful. It would be cheaper for me to hire a fulltime person to be manually pushing the shutdown instance button. Unfortunately there's no visibility when this extremely simple feature will be done. Till then, let's keep with high costs for things we don't use :) On Wed, Jun 26, 2013 at 9:31 AM, David turnt...@gmail.com wrote: I am also seeing 3 warm up requests per minute for nearly a day now on my GAE for Java app. And often this is happening when there is no incoming traffic to my app. My idle instances are also set to 1-1, yet my charged hours are above this limit. The dashboard shows up to 8 running instances at times, with the app being charged for 3 or 4 instances. The dashboard also reports that 5% of these warm ups also fail. Will someone from Google please let me know how I can follow up so as not to be overcharged for this usage? Thanks, David On Tuesday, June 25, 2013 4:49:00 PM UTC-4, chilang wrote: Hi, I'm seeing 15 warm up requests per secs causing 60+ instances to be spin up, despite having little traffic! I haven't changed anything (code nor settings) recently. This has started in the last 2 hours. I've only noticed this due to app suddenly running out of quota. I'm trying to cap Idle Instances to 1-1 to no avail. I've increased the quota but at this rate it is going to burn through it very soon. Anyone else seeing this ? Regards, Chi Lang -- You received this message because you are subscribed to the Google Groups Google App Engine group. To unsubscribe from this group and stop receiving emails from it, send an email to google-appengi...@**googlegroups.com. To post to this group, send email to google-a...@googlegroups.com. Visit this group at http://groups.google.com/**group/google-appenginehttp://groups.google.com/group/google-appengine . For more options, visit https://groups.google.com/**groups/opt_outhttps://groups.google.com/groups/opt_out . -- You received this message because you are subscribed to the Google Groups Google App Engine group. To unsubscribe from this group and stop receiving emails from it, send an email to google-appengine+unsubscr...@googlegroups.com. To post to this group, send email to google-appengine@googlegroups.com. Visit this group at http://groups.google.com/group/google-appengine. For more options, visit https://groups.google.com/groups/opt_out. -- Nel mondo esistono 10 categorie di persone, quelle che capiscono il binario e quelle che non lo capiscono. -- You received this message because you are subscribed to the Google Groups Google App Engine group. To unsubscribe from this group and stop receiving emails from it, send an email to google-appengine+unsubscr...@googlegroups.com. To post to this group, send email to google-appengine@googlegroups.com. Visit this group at http://groups.google.com/group/google-appengine. For more options, visit https://groups.google.com/groups/opt_out.
[google-appengine] Time Syncronization
Hey guys, I'm curious to hear about any strategies people have used to employ time synchronization among the AppEngine instances. I'm working on a project that is looking to have a pretty important time component and the current strategy I'm looking at is something long the lines of: 1. Record System.currentTimeMils() 2. URLFetch to an NTP server somewhere 3. Note return time 4. Correct NTP time using the start time to get request time. Is this how other people are handling it? Is there another way that might be simpler? I'm a little hesitant to run an URLFetch for each request, obviously. Thanks! E -- You received this message because you are subscribed to the Google Groups Google App Engine group. To unsubscribe from this group and stop receiving emails from it, send an email to google-appengine+unsubscr...@googlegroups.com. To post to this group, send email to google-appengine@googlegroups.com. Visit this group at http://groups.google.com/group/google-appengine. For more options, visit https://groups.google.com/groups/opt_out.
Re: [google-appengine] Time Syncronization
If accuracy is that important to you, using URLFetch would not be accurate enough. If you use URLFetch, and the request takes say 400ms, you've no idea where the actual timestamp belongs in that window. In theory its the middle but because you don't know the relative delays of the send/receive phases, its not guaranteed. In theory, you could use the experimental Sockets API, to actually use the NTP protocol itself, actually get a more accurate value. But it would take time (many seconds) for the time to actually sync. So you would need to say run a backend/module, that maintains time, locked via NTP to a server somewhere. Which your front end apps queries via an API. In theory a API connection to the back end is less susceptible to network delays than to a external NTP server. And it might be possible maintain the current skew, in a global veriable that persists between requests, so every request doesnt 'have' to make the RPC. but appengine already undertakes to maintain server time via NTP anyway, so it wont really give you any benefit. (so this is all bit of a thought experiment!) This might also be of interest: https://www.google.com/search?q=%22Google+Production+time%22 On Thu, Jul 25, 2013 at 5:53 PM, Evan Ruff evan.r...@gmail.com wrote: Hey guys, I'm curious to hear about any strategies people have used to employ time synchronization among the AppEngine instances. I'm working on a project that is looking to have a pretty important time component and the current strategy I'm looking at is something long the lines of: 1. Record System.currentTimeMils() 2. URLFetch to an NTP server somewhere 3. Note return time 4. Correct NTP time using the start time to get request time. Is this how other people are handling it? Is there another way that might be simpler? I'm a little hesitant to run an URLFetch for each request, obviously. Thanks! E -- You received this message because you are subscribed to the Google Groups Google App Engine group. To unsubscribe from this group and stop receiving emails from it, send an email to google-appengine+unsubscr...@googlegroups.com. To post to this group, send email to google-appengine@googlegroups.com. Visit this group at http://groups.google.com/group/google-appengine. For more options, visit https://groups.google.com/groups/opt_out. -- You received this message because you are subscribed to the Google Groups Google App Engine group. To unsubscribe from this group and stop receiving emails from it, send an email to google-appengine+unsubscr...@googlegroups.com. To post to this group, send email to google-appengine@googlegroups.com. Visit this group at http://groups.google.com/group/google-appengine. For more options, visit https://groups.google.com/groups/opt_out.
[google-appengine] Debugging UnexpectedStateError while trying to start module.
I am attempting to convert my backend use to app engine modules and am having difficulty. The simplest place to start seems to be to say that calling google.appengine.api.modules.start_module() raises an UnexpectedStateError. I'm not seeing any evidence of a startup problem in the logs. Nor am I seeing evidence that the startup was attempted. As a possibly-related aside, my backend is still configured, and appears in the UI as a version of the default module. When I call start_module() to start that explicitly, I get the same error. -- You received this message because you are subscribed to the Google Groups Google App Engine group. To unsubscribe from this group and stop receiving emails from it, send an email to google-appengine+unsubscr...@googlegroups.com. To post to this group, send email to google-appengine@googlegroups.com. Visit this group at http://groups.google.com/group/google-appengine. For more options, visit https://groups.google.com/groups/opt_out.
[google-appengine] Joomla website
Hi There, Good Day!! Is there a provision where I can deploy my joomla based websites into google cloud space. Many Thanks Sravan -- You received this message because you are subscribed to the Google Groups Google App Engine group. To unsubscribe from this group and stop receiving emails from it, send an email to google-appengine+unsubscr...@googlegroups.com. To post to this group, send email to google-appengine@googlegroups.com. Visit this group at http://groups.google.com/group/google-appengine. For more options, visit https://groups.google.com/groups/opt_out.
[google-appengine] Re: Where to place dispatch.xml file (app engine sdk 1.8.2)
Hello, It goes inside the WEB-INF directory of your default module. When you upload, you'll see a new Dispatch link on your web admin page that lists the dispatch rules. Stelios On Thursday, 25 July 2013 14:11:31 UTC+1, Munish Dhiman wrote: Hi, I am just wondering where to put dispatch.xml file in a java application having multiple modules. It has not been specified anywhere in the docs. -- You received this message because you are subscribed to the Google Groups Google App Engine group. To unsubscribe from this group and stop receiving emails from it, send an email to google-appengine+unsubscr...@googlegroups.com. To post to this group, send email to google-appengine@googlegroups.com. Visit this group at http://groups.google.com/group/google-appengine. For more options, visit https://groups.google.com/groups/opt_out.
[google-appengine] Re: Lots of 500's served tonight
I am seeing the same thing. it's basically brought my site to its knees. but it is only happening on one of the sites that i manage. On Tuesday, July 23, 2013 8:30:45 PM UTC-7, GAEfan wrote: My app started serving 500s tonight, with no changes to the code for many days. It is telling me exit_code=121 If I continue to refresh, eventually the page loads. Seems the instances are crashing at spinup. One instance appears in the admin console dashboard, but if I click on the instances link, none show up. Remainder of log: 1. 500 1829ms 0kb Mozilla/5.0 (iPhone; U; CPU iPhone OS 4_1 like Mac OS X; en-us) AppleWebKit/532.9 (KHTML, like Gecko) Version/4.0.5 Mobile/8B117 Safari/6531.22.7 (compatible; Googlebot-Mobile/2.1; + http://www.google.com/bot.html) 66.249.75.198 - - [23/Jul/2013:20:02:53 -0700] GET /page/ HTTP/1.1 500 0 - Mozilla/5.0 (iPhone; U; CPU iPhone OS 4_1 like Mac OS X; en-us) AppleWebKit/532.9 (KHTML, like Gecko) Version/4.0.5 Mobile/8B117 Safari/6531.22.7 (compatible; Googlebot-Mobile/2.1; +http://www.google.com/bot.html) www.mydomain.com ms=1830 cpu_ms=780 loading_request=1 exit_code=121 app_engine_release=1.8.2 instance=00c61b117cc97a586b8c77ba707be8ecf482 https://appengine.google.com/instances?app_id=s~crystal-bullversion_id=713.368782097257250375key=00c61b117cc97a586b8c77ba707be8ecf482#00c61b117cc97a586b8c77ba707be8ecf482 2. I2013-07-23 20:02:53.821 This request caused a new process to be started for your application, and thus caused your application code to be loaded for the first time. This request may thus take longer and use more CPU than a typical request for your application. 3. W2013-07-23 20:02:53.821 A problem was encountered with the process that handled this request, causing it to exit. This is likely to cause a new process to be used for the next request to your application. (Error code 121) -- You received this message because you are subscribed to the Google Groups Google App Engine group. To unsubscribe from this group and stop receiving emails from it, send an email to google-appengine+unsubscr...@googlegroups.com. To post to this group, send email to google-appengine@googlegroups.com. Visit this group at http://groups.google.com/group/google-appengine. For more options, visit https://groups.google.com/groups/opt_out.
[google-appengine] JPA Relationship manytoone saving problem
*Exception persist method Save Attempt to assign child with key
Role(19003) to parent with key User(no-id-yet). Parent keys are immutable
Exception persist method Save Detected attempt to establish User(19004) as
the parent of Role(1) but the entity identified by Role(1) has already been
persisted without a parent. A parent cannot be established or changed once
an object has been persisted.
I want to save user entity with role as a relation entity
*
*public class User{
@Id
@GeneratedValue(strategy = GenerationType.IDENTITY)
private Key id;
@ManyToOne(fetch=FetchType.EAGER,cascade = CascadeType.ALL)
@JoinColumn(name=role_id)
private Role role;
}
i cant save user entity when i assign role to user entity.
*
--
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Re: [google-appengine] Re: Flood of warm up requests!
I just disabled warmup requests for now... I can't afford to have 40 instances of my app running at this point. I've filed a production issue and I've also asked this question on StackOverflow. Hopefully some one can help me tune this: http://stackoverflow.com/questions/17865908/flood-of-warmup-requests On Thursday, July 25, 2013 5:20:11 PM UTC+2, Stefano Ciccarelli wrote: I've noticed that this kind of behaviour started at least three weeks ago and I've posted about it at least two weeks ago without responses. 2013/7/25 Peter Backx peter...@gmail.com javascript: Same issue for me right now. I'm going to try the redeploy trick. Peter On Friday, June 28, 2013 1:35:41 AM UTC+2, husayt wrote: We experience the same issue with thousands of warmup requests. What is going on? Why nobody from google has not replied yet? On Wednesday, 26 June 2013 17:43:10 UTC+1, Rafael Sanches wrote: Same here. It's extremely frustrating that the appengine team wasn't capable of making a very simple configuration that would solve many issues with the crazy scheduler: - Make it possible to spin up JUST one new instance at time. On frontends use the resident instance while that ONE new instance is booting. - Only after that ONE instance is up and executing requests, warmup another one (only if necessary, which in 99% of the cases isn't necessary unless you're running an apache bench service). This would come very handy in B8 backends for example. Because my java instances take a while to boot, I often find myself with 10 B8 instances warming up. Extremely wasteful. It would be cheaper for me to hire a fulltime person to be manually pushing the shutdown instance button. Unfortunately there's no visibility when this extremely simple feature will be done. Till then, let's keep with high costs for things we don't use :) On Wed, Jun 26, 2013 at 9:31 AM, David turnt...@gmail.com wrote: I am also seeing 3 warm up requests per minute for nearly a day now on my GAE for Java app. And often this is happening when there is no incoming traffic to my app. My idle instances are also set to 1-1, yet my charged hours are above this limit. The dashboard shows up to 8 running instances at times, with the app being charged for 3 or 4 instances. The dashboard also reports that 5% of these warm ups also fail. Will someone from Google please let me know how I can follow up so as not to be overcharged for this usage? Thanks, David On Tuesday, June 25, 2013 4:49:00 PM UTC-4, chilang wrote: Hi, I'm seeing 15 warm up requests per secs causing 60+ instances to be spin up, despite having little traffic! I haven't changed anything (code nor settings) recently. This has started in the last 2 hours. I've only noticed this due to app suddenly running out of quota. I'm trying to cap Idle Instances to 1-1 to no avail. I've increased the quota but at this rate it is going to burn through it very soon. Anyone else seeing this ? Regards, Chi Lang -- You received this message because you are subscribed to the Google Groups Google App Engine group. To unsubscribe from this group and stop receiving emails from it, send an email to google-appengi...@**googlegroups.com. To post to this group, send email to google-a...@googlegroups.com. Visit this group at http://groups.google.com/**group/google-appenginehttp://groups.google.com/group/google-appengine . For more options, visit https://groups.google.com/**groups/opt_outhttps://groups.google.com/groups/opt_out . -- You received this message because you are subscribed to the Google Groups Google App Engine group. To unsubscribe from this group and stop receiving emails from it, send an email to google-appengi...@googlegroups.com javascript:. To post to this group, send email to google-a...@googlegroups.comjavascript: . Visit this group at http://groups.google.com/group/google-appengine. For more options, visit https://groups.google.com/groups/opt_out. -- Nel mondo esistono 10 categorie di persone, quelle che capiscono il binario e quelle che non lo capiscono. -- You received this message because you are subscribed to the Google Groups Google App Engine group. To unsubscribe from this group and stop receiving emails from it, send an email to google-appengine+unsubscr...@googlegroups.com. To post to this group, send email to google-appengine@googlegroups.com. Visit this group at http://groups.google.com/group/google-appengine. For more options, visit https://groups.google.com/groups/opt_out.
[google-appengine] GWT + GAE eclipse plugin - how not to compile
Hi, I have my project GWT + GAE. Its all fine with the project. When i deploy to GAE, plug in automatically compiles the project and then deploy. HOW DO I AVOID COMPILATION DURING DEPLOYMENT ? -- Deepak Singh -- You received this message because you are subscribed to the Google Groups Google App Engine group. To unsubscribe from this group and stop receiving emails from it, send an email to google-appengine+unsubscr...@googlegroups.com. To post to this group, send email to google-appengine@googlegroups.com. Visit this group at http://groups.google.com/group/google-appengine. For more options, visit https://groups.google.com/groups/opt_out.
[google-appengine] Re: Time Syncronization
My experience is that GAE backends are horrible when it comes to the 'NTP correct' time. I have seen servers as much as 20 minutes out. For the last 6 months or so, they have been much better, so maybe Google got its act together. Since I run a MMO synchronized client (android) server (GAE) game, I need everyone to be correct to within 1-2 seconds. The following code works pretty well: url = http://www.worldtimeserver.com; format = '%a, %d %b %Y %H:%M:%S %Z' correction = 0 try: orig_timestamp = time.mktime(time.gmtime(time.time())) result = urllib2.urlopen(url) date_string = result.headers['Date'] recv_timestamp = time.mktime(time.gmtime(time.time())) dest_timestamp = time.mktime(time.strptime(date_string, format)) correction = int((recv_timestamp - dest_timestamp)/2%180.) Reason for the %180 in there is the games are on a 3 minute boundary. I rarely see more than 1-3 seconds of 'correction' needing to be applied nowadays. On Thursday, July 25, 2013 12:53:34 PM UTC-4, Evan Ruff wrote: Hey guys, I'm curious to hear about any strategies people have used to employ time synchronization among the AppEngine instances. I'm working on a project that is looking to have a pretty important time component and the current strategy I'm looking at is something long the lines of: 1. Record System.currentTimeMils() 2. URLFetch to an NTP server somewhere 3. Note return time 4. Correct NTP time using the start time to get request time. Is this how other people are handling it? Is there another way that might be simpler? I'm a little hesitant to run an URLFetch for each request, obviously. Thanks! E -- You received this message because you are subscribed to the Google Groups Google App Engine group. To unsubscribe from this group and stop receiving emails from it, send an email to google-appengine+unsubscr...@googlegroups.com. To post to this group, send email to google-appengine@googlegroups.com. Visit this group at http://groups.google.com/group/google-appengine. For more options, visit https://groups.google.com/groups/opt_out.
[google-appengine] Re: Time Syncronization
My current project isn't very time-sensitive, but my previous one we saw servers up to 45 minutes slow. Made it hard to make fetches from Amazon S3 buckets with a 30-minute signed token when it was already expired by 15 minutes... On Thursday, July 25, 2013 2:27:04 PM UTC-5, Richard wrote: My experience is that GAE backends are horrible when it comes to the 'NTP correct' time. I have seen servers as much as 20 minutes out. For the last 6 months or so, they have been much better, so maybe Google got its act together. Since I run a MMO synchronized client (android) server (GAE) game, I need everyone to be correct to within 1-2 seconds. The following code works pretty well: url = http://www.worldtimeserver.com; format = '%a, %d %b %Y %H:%M:%S %Z' correction = 0 try: orig_timestamp = time.mktime(time.gmtime(time.time())) result = urllib2.urlopen(url) date_string = result.headers['Date'] recv_timestamp = time.mktime(time.gmtime(time.time())) dest_timestamp = time.mktime(time.strptime(date_string, format)) correction = int((recv_timestamp - dest_timestamp)/2%180.) Reason for the %180 in there is the games are on a 3 minute boundary. I rarely see more than 1-3 seconds of 'correction' needing to be applied nowadays. On Thursday, July 25, 2013 12:53:34 PM UTC-4, Evan Ruff wrote: Hey guys, I'm curious to hear about any strategies people have used to employ time synchronization among the AppEngine instances. I'm working on a project that is looking to have a pretty important time component and the current strategy I'm looking at is something long the lines of: 1. Record System.currentTimeMils() 2. URLFetch to an NTP server somewhere 3. Note return time 4. Correct NTP time using the start time to get request time. Is this how other people are handling it? Is there another way that might be simpler? I'm a little hesitant to run an URLFetch for each request, obviously. Thanks! E -- You received this message because you are subscribed to the Google Groups Google App Engine group. To unsubscribe from this group and stop receiving emails from it, send an email to google-appengine+unsubscr...@googlegroups.com. To post to this group, send email to google-appengine@googlegroups.com. Visit this group at http://groups.google.com/group/google-appengine. For more options, visit https://groups.google.com/groups/opt_out.
[google-appengine] Re: GWT + GAE eclipse plugin - how not to compile
GWT must be compiled before being used, and it requires tools that are not available on GAE. If you're looking to debug the JS that GWT generates in a live environment, you can change the compilation level from obfuscated to pretty or detailed. On Thursday, July 25, 2013 2:26:42 PM UTC-5, Deepak Singh wrote: Hi, I have my project GWT + GAE. Its all fine with the project. When i deploy to GAE, plug in automatically compiles the project and then deploy. HOW DO I AVOID COMPILATION DURING DEPLOYMENT ? -- Deepak Singh -- You received this message because you are subscribed to the Google Groups Google App Engine group. To unsubscribe from this group and stop receiving emails from it, send an email to google-appengine+unsubscr...@googlegroups.com. To post to this group, send email to google-appengine@googlegroups.com. Visit this group at http://groups.google.com/group/google-appengine. For more options, visit https://groups.google.com/groups/opt_out.
[google-appengine] Re: Joomla website
Looks like Joomla just started working on it last week-ish: https://groups.google.com/forum/#!topic/joomla-dev-cms/JmDLyDPOGFA On Thursday, July 25, 2013 10:54:18 AM UTC-5, Sravan Kumar wrote: Hi There, Good Day!! Is there a provision where I can deploy my joomla based websites into google cloud space. Many Thanks Sravan -- You received this message because you are subscribed to the Google Groups Google App Engine group. To unsubscribe from this group and stop receiving emails from it, send an email to google-appengine+unsubscr...@googlegroups.com. To post to this group, send email to google-appengine@googlegroups.com. Visit this group at http://groups.google.com/group/google-appengine. For more options, visit https://groups.google.com/groups/opt_out.
[google-appengine] Re: Time Syncronization
Evan, if the question here is whether currentTimeMils() returns correct time, it's all managed for you, obviously including correct time. This is not an EC2 instance. Not that it probably matters here but Google introduced a concept called true time, which IMO even more accurate than NTP in some sense. I don't know if servers that run appspot apps use it at some level, but I know for sure Google team use it in Spanner. Anyway, why would you want to adjust current system time, do you have evidence that it's not accurate enough? On Thursday, July 25, 2013 6:53:34 PM UTC+2, Evan Ruff wrote: Hey guys, I'm curious to hear about any strategies people have used to employ time synchronization among the AppEngine instances. I'm working on a project that is looking to have a pretty important time component and the current strategy I'm looking at is something long the lines of: 1. Record System.currentTimeMils() 2. URLFetch to an NTP server somewhere 3. Note return time 4. Correct NTP time using the start time to get request time. Is this how other people are handling it? Is there another way that might be simpler? I'm a little hesitant to run an URLFetch for each request, obviously. Thanks! E -- You received this message because you are subscribed to the Google Groups Google App Engine group. To unsubscribe from this group and stop receiving emails from it, send an email to google-appengine+unsubscr...@googlegroups.com. To post to this group, send email to google-appengine@googlegroups.com. Visit this group at http://groups.google.com/group/google-appengine. For more options, visit https://groups.google.com/groups/opt_out.
Re: [google-appengine] Re: Modules vs Backends
good feedback. perhaps the documentation could have been a bit clearer, we suggest that you start looking into Modules. the feature is scheduled to go to GA in the next 3 releases. they will in fact subsume Backends, with the following being the preferred architecture for larger GAE apps: app_id frontend (web) version 1 version 2 frontend (mobile) version 1 version 2 backend (data pipelining) version 1 version 2 where all frontends and backends are themselves a Module. hope this helps. -- Chris On Fri, Jul 19, 2013 at 9:32 AM, PK p...@gae123.com wrote: I think this is the direction too but the message on the console is questionable since backends is a GA feature while modules is in preview mode and another message (see herehttps://developers.google.com/appengine/docs/python/modules/) states: This is a Preview release of the Modules service and its APIs. Please be aware that the APIs and service behavior may change before the service becomes a General Availability release. Also note that this Preview release is not covered by any SLA or deprecation policy. For a production site I would wait until modules becomes GA to start the migration... PK http://www.gae123.com On July 19, 2013 at 9:25:23 AM, Jason Collins (jason.a.coll...@gmail.com) wrote: I'm pretty certain Modules subsumes backends based on the message that is on my console: Looks like you're using Backends. We suggest that you make the switch to App Engine Modules. See the Modules documentation to learn more about converting: Pythonhttps://developers.google.com/appengine/docs/python/modules/converting | Javahttps://developers.google.com/appengine/docs/java/modules/converting . Python link: https://developers.google.com/appengine/docs/python/modules/converting You can do the same things you do with backends using Modules. j On Thursday, 18 July 2013 21:54:26 UTC-6, husayt wrote: After reading the documentation on modules, I get an impression that backends are going to be replaced by modules. Is this right observation? Or maybe you could explain what would be the diff between the two. -- You received this message because you are subscribed to the Google Groups Google App Engine group. To unsubscribe from this group and stop receiving emails from it, send an email to google-appengine+unsubscr...@googlegroups.com. To post to this group, send email to google-appengine@googlegroups.com. Visit this group at http://groups.google.com/group/google-appengine. For more options, visit https://groups.google.com/groups/opt_out. -- You received this message because you are subscribed to the Google Groups Google App Engine group. To unsubscribe from this group and stop receiving emails from it, send an email to google-appengine+unsubscr...@googlegroups.com. To post to this group, send email to google-appengine@googlegroups.com. Visit this group at http://groups.google.com/group/google-appengine. For more options, visit https://groups.google.com/groups/opt_out. -- You received this message because you are subscribed to the Google Groups Google App Engine group. To unsubscribe from this group and stop receiving emails from it, send an email to google-appengine+unsubscr...@googlegroups.com. To post to this group, send email to google-appengine@googlegroups.com. Visit this group at http://groups.google.com/group/google-appengine. For more options, visit https://groups.google.com/groups/opt_out.
Re: [google-appengine] Re: Time Syncronization
Hey guys, Thanks a lot for the interesting ideas about handling this issue. So for in my application, I need to be very sensitive (mils) about the arrival time of requests to resolve conflicts in data assignment. Basically, I'm worried about two requests coming in around the same time, hitting two different instances, then having to resolve which request was first. I've thought about creating a memcache-based semaphore based around the actual data ID that will be assigned, but I thought I'd see if there was a slicker way that anyone had used. Thanks, E On Jul 25, 2013 4:07 PM, alex a...@cloudware.it wrote: Evan, if the question here is whether currentTimeMils() returns correct time, it's all managed for you, obviously including correct time. This is not an EC2 instance. Not that it probably matters here but Google introduced a concept called true time, which IMO even more accurate than NTP in some sense. I don't know if servers that run appspot apps use it at some level, but I know for sure Google team use it in Spanner. Anyway, why would you want to adjust current system time, do you have evidence that it's not accurate enough? On Thursday, July 25, 2013 6:53:34 PM UTC+2, Evan Ruff wrote: Hey guys, I'm curious to hear about any strategies people have used to employ time synchronization among the AppEngine instances. I'm working on a project that is looking to have a pretty important time component and the current strategy I'm looking at is something long the lines of: 1. Record System.currentTimeMils() 2. URLFetch to an NTP server somewhere 3. Note return time 4. Correct NTP time using the start time to get request time. Is this how other people are handling it? Is there another way that might be simpler? I'm a little hesitant to run an URLFetch for each request, obviously. Thanks! E -- You received this message because you are subscribed to a topic in the Google Groups Google App Engine group. To unsubscribe from this topic, visit https://groups.google.com/d/topic/google-appengine/PPbVax3k1s0/unsubscribe . To unsubscribe from this group and all its topics, send an email to google-appengine+unsubscr...@googlegroups.com. To post to this group, send email to google-appengine@googlegroups.com. Visit this group at http://groups.google.com/group/google-appengine. For more options, visit https://groups.google.com/groups/opt_out. -- You received this message because you are subscribed to the Google Groups Google App Engine group. To unsubscribe from this group and stop receiving emails from it, send an email to google-appengine+unsubscr...@googlegroups.com. To post to this group, send email to google-appengine@googlegroups.com. Visit this group at http://groups.google.com/group/google-appengine. For more options, visit https://groups.google.com/groups/opt_out.
Re: [google-appengine] GAE/J - Completely lost on migrating from Files API to GCS Client Library
Hi Vinny P, Thank you for your reply. Indeed I'm having problems to activate the cloud integration for my project, due to this issuehttp://code.google.com/p/googleappengine/issues/detail?id=9602. I'll wait for a position from Google about it (a patch?) before creating more projects or trying workarounds. Kaan Soral, I'm worried about the migration of existing blobstore as well. I think (and I want to believe) Google will make some migration magic button similar to when they migrated to HRD. I simply can't rely on a structure which makes me migrate data and rework code at every release, though. -- You received this message because you are subscribed to the Google Groups Google App Engine group. To unsubscribe from this group and stop receiving emails from it, send an email to google-appengine+unsubscr...@googlegroups.com. To post to this group, send email to google-appengine@googlegroups.com. Visit this group at http://groups.google.com/group/google-appengine. For more options, visit https://groups.google.com/groups/opt_out.
Re: [google-appengine] Re: Modules vs Backends
Hi Chris I have asked this a couple of times, there is no mention of warmup requests for front end instances in the docs on modules. Do/Will they still exist for auto scaled frontends? T On Friday, July 26, 2013 5:44:09 AM UTC+8, Chris Ramsdale wrote: good feedback. perhaps the documentation could have been a bit clearer, we suggest that you start looking into Modules. the feature is scheduled to go to GA in the next 3 releases. they will in fact subsume Backends, with the following being the preferred architecture for larger GAE apps: app_id frontend (web) version 1 version 2 frontend (mobile) version 1 version 2 backend (data pipelining) version 1 version 2 where all frontends and backends are themselves a Module. hope this helps. -- Chris On Fri, Jul 19, 2013 at 9:32 AM, PK p...@gae123.com javascript: wrote: I think this is the direction too but the message on the console is questionable since backends is a GA feature while modules is in preview mode and another message (see herehttps://developers.google.com/appengine/docs/python/modules/) states: This is a Preview release of the Modules service and its APIs. Please be aware that the APIs and service behavior may change before the service becomes a General Availability release. Also note that this Preview release is not covered by any SLA or deprecation policy. For a production site I would wait until modules becomes GA to start the migration... PK http://www.gae123.com On July 19, 2013 at 9:25:23 AM, Jason Collins (jason.a...@gmail.comjavascript:) wrote: I'm pretty certain Modules subsumes backends based on the message that is on my console: Looks like you're using Backends. We suggest that you make the switch to App Engine Modules. See the Modules documentation to learn more about converting: Pythonhttps://developers.google.com/appengine/docs/python/modules/converting | Javahttps://developers.google.com/appengine/docs/java/modules/converting . Python link: https://developers.google.com/appengine/docs/python/modules/converting You can do the same things you do with backends using Modules. j On Thursday, 18 July 2013 21:54:26 UTC-6, husayt wrote: After reading the documentation on modules, I get an impression that backends are going to be replaced by modules. Is this right observation? Or maybe you could explain what would be the diff between the two. -- You received this message because you are subscribed to the Google Groups Google App Engine group. To unsubscribe from this group and stop receiving emails from it, send an email to google-appengi...@googlegroups.com javascript:. To post to this group, send email to google-a...@googlegroups.comjavascript: . Visit this group at http://groups.google.com/group/google-appengine. For more options, visit https://groups.google.com/groups/opt_out. -- You received this message because you are subscribed to the Google Groups Google App Engine group. To unsubscribe from this group and stop receiving emails from it, send an email to google-appengi...@googlegroups.com javascript:. To post to this group, send email to google-a...@googlegroups.comjavascript: . Visit this group at http://groups.google.com/group/google-appengine. For more options, visit https://groups.google.com/groups/opt_out. -- You received this message because you are subscribed to the Google Groups Google App Engine group. To unsubscribe from this group and stop receiving emails from it, send an email to google-appengine+unsubscr...@googlegroups.com. To post to this group, send email to google-appengine@googlegroups.com. Visit this group at http://groups.google.com/group/google-appengine. For more options, visit https://groups.google.com/groups/opt_out.
Re: [google-appengine] Memcache Fishyness - 7/18/2013 @ 438pm EST
Thanks Vinny, That's a great tip to analyse the success rate, but I was more after what error is thrown if the memcached service was down, so I can catch the problem and recover. In an other thread I was told PHP environment is on HRD and I don't have to worry about the availability. Reading this mailing list, I have come across way-too-many issues with services falling apart, so much so I am not confident that they will be running 99.95% (SLA agreement) of the time. I may be just paranoid or maybe looking for a more reliable service. On Wed, Jul 24, 2013 at 3:38 PM, Vinny P vinny...@gmail.com wrote: On Sun, Jul 21, 2013 at 7:38 PM, Jeffery Fernandez jefferyfernan...@gmail.com wrote: I have implemented memcached for my project as well, but different environment (php). Though I can't find the capabilities API for php. Do I just catch the exceptions (what?) and not worry about checking if the memcached service is available? The Capabilities API for PHP isn't implemented yet, at least to my knowledge. What you can do is periodically track the time it takes memcache to return and its success rate, and automatically stop using memcache if those numbers become unacceptable (and return to using it once those numbers return to acceptable levels). - -Vinny P Technology Media Advisor Chicago, IL App Engine Code Samples: http://www.learntogoogleit.com -- You received this message because you are subscribed to the Google Groups Google App Engine group. To unsubscribe from this group and stop receiving emails from it, send an email to google-appengine+unsubscr...@googlegroups.com. To post to this group, send email to google-appengine@googlegroups.com. Visit this group at http://groups.google.com/group/google-appengine. For more options, visit https://groups.google.com/groups/opt_out. -- Mobile: +61 430 534 464 Home: +61 3 9764 4439 Work: +61 3 9723 9399 -- You received this message because you are subscribed to the Google Groups Google App Engine group. To unsubscribe from this group and stop receiving emails from it, send an email to google-appengine+unsubscr...@googlegroups.com. To post to this group, send email to google-appengine@googlegroups.com. Visit this group at http://groups.google.com/group/google-appengine. For more options, visit https://groups.google.com/groups/opt_out.
[google-appengine] Problems with modules
I am having trouble getting my module(s) to run. Here's a StackOverflow post: http://stackoverflow.com/questions/17827475/starting-app-engine-modules-in-google-app-engine/17848050?noredirect=1#17848050 Any help or pointers would be much appreciated. -- You received this message because you are subscribed to the Google Groups Google App Engine group. To unsubscribe from this group and stop receiving emails from it, send an email to google-appengine+unsubscr...@googlegroups.com. To post to this group, send email to google-appengine@googlegroups.com. Visit this group at http://groups.google.com/group/google-appengine. For more options, visit https://groups.google.com/groups/opt_out.
Re: [google-appengine] Re: Modules vs Backends
I'm not sure that I have complete context here. We're not removing any functionality for frontends, so all existing functionality will persist. On Jul 25, 2013 4:21 PM, timh zutes...@gmail.com wrote: Hi Chris I have asked this a couple of times, there is no mention of warmup requests for front end instances in the docs on modules. Do/Will they still exist for auto scaled frontends? T On Friday, July 26, 2013 5:44:09 AM UTC+8, Chris Ramsdale wrote: good feedback. perhaps the documentation could have been a bit clearer, we suggest that you start looking into Modules. the feature is scheduled to go to GA in the next 3 releases. they will in fact subsume Backends, with the following being the preferred architecture for larger GAE apps: app_id frontend (web) version 1 version 2 frontend (mobile) version 1 version 2 backend (data pipelining) version 1 version 2 where all frontends and backends are themselves a Module. hope this helps. -- Chris On Fri, Jul 19, 2013 at 9:32 AM, PK p...@gae123.com wrote: I think this is the direction too but the message on the console is questionable since backends is a GA feature while modules is in preview mode and another message (see herehttps://developers.google.com/appengine/docs/python/modules/) states: This is a Preview release of the Modules service and its APIs. Please be aware that the APIs and service behavior may change before the service becomes a General Availability release. Also note that this Preview release is not covered by any SLA or deprecation policy. For a production site I would wait until modules becomes GA to start the migration... PK http://www.gae123.com On July 19, 2013 at 9:25:23 AM, Jason Collins (jason.a...@gmail.com) wrote: I'm pretty certain Modules subsumes backends based on the message that is on my console: Looks like you're using Backends. We suggest that you make the switch to App Engine Modules. See the Modules documentation to learn more about converting: Pythonhttps://developers.google.com/appengine/docs/python/modules/converting | Javahttps://developers.google.com/appengine/docs/java/modules/converting . Python link: https://developers.**google.com/appengine/docs/** python/modules/convertinghttps://developers.google.com/appengine/docs/python/modules/converting You can do the same things you do with backends using Modules. j On Thursday, 18 July 2013 21:54:26 UTC-6, husayt wrote: After reading the documentation on modules, I get an impression that backends are going to be replaced by modules. Is this right observation? Or maybe you could explain what would be the diff between the two. -- You received this message because you are subscribed to the Google Groups Google App Engine group. To unsubscribe from this group and stop receiving emails from it, send an email to google-appengi...@**googlegroups.com. To post to this group, send email to google-a...@googlegroups.**com. Visit this group at http://groups.google.com/**group/google-appenginehttp://groups.google.com/group/google-appengine . For more options, visit https://groups.google.com/**groups/opt_outhttps://groups.google.com/groups/opt_out . -- You received this message because you are subscribed to the Google Groups Google App Engine group. To unsubscribe from this group and stop receiving emails from it, send an email to google-appengi...@**googlegroups.com. To post to this group, send email to google-a...@googlegroups.**com. Visit this group at http://groups.google.com/**group/google-appenginehttp://groups.google.com/group/google-appengine . For more options, visit https://groups.google.com/**groups/opt_outhttps://groups.google.com/groups/opt_out . -- You received this message because you are subscribed to the Google Groups Google App Engine group. To unsubscribe from this group and stop receiving emails from it, send an email to google-appengine+unsubscr...@googlegroups.com. To post to this group, send email to google-appengine@googlegroups.com. Visit this group at http://groups.google.com/group/google-appengine. For more options, visit https://groups.google.com/groups/opt_out. -- You received this message because you are subscribed to the Google Groups Google App Engine group. To unsubscribe from this group and stop receiving emails from it, send an email to google-appengine+unsubscr...@googlegroups.com. To post to this group, send email to google-appengine@googlegroups.com. Visit this group at http://groups.google.com/group/google-appengine. For more options, visit https://groups.google.com/groups/opt_out.
[google-appengine] Modules and runtimes
Can I have an application module (or backend) using the Go runtime and keep my front-ends using Java runtime? -- You received this message because you are subscribed to the Google Groups Google App Engine group. To unsubscribe from this group and stop receiving emails from it, send an email to google-appengine+unsubscr...@googlegroups.com. To post to this group, send email to google-appengine@googlegroups.com. Visit this group at http://groups.google.com/group/google-appengine. For more options, visit https://groups.google.com/groups/opt_out.
Re: [google-appengine] Re: Modules vs Backends
Hi Chris Thats what I assumed, however the documentation for modules, talks explicitly about /_ah/start for various manual and basic scaling startup, but did not including any mention of warmup requests for dynamic scaling instance startup https://developers.google.com/appengine/docs/python/modules/#performance So I just wanted to make sure. Thanks Tim On Friday, July 26, 2013 10:56:48 AM UTC+8, Chris Ramsdale wrote: I'm not sure that I have complete context here. We're not removing any functionality for frontends, so all existing functionality will persist. On Jul 25, 2013 4:21 PM, timh zute...@gmail.com javascript: wrote: Hi Chris I have asked this a couple of times, there is no mention of warmup requests for front end instances in the docs on modules. Do/Will they still exist for auto scaled frontends? T On Friday, July 26, 2013 5:44:09 AM UTC+8, Chris Ramsdale wrote: good feedback. perhaps the documentation could have been a bit clearer, we suggest that you start looking into Modules. the feature is scheduled to go to GA in the next 3 releases. they will in fact subsume Backends, with the following being the preferred architecture for larger GAE apps: app_id frontend (web) version 1 version 2 frontend (mobile) version 1 version 2 backend (data pipelining) version 1 version 2 where all frontends and backends are themselves a Module. hope this helps. -- Chris On Fri, Jul 19, 2013 at 9:32 AM, PK p...@gae123.com wrote: I think this is the direction too but the message on the console is questionable since backends is a GA feature while modules is in preview mode and another message (see herehttps://developers.google.com/appengine/docs/python/modules/) states: This is a Preview release of the Modules service and its APIs. Please be aware that the APIs and service behavior may change before the service becomes a General Availability release. Also note that this Preview release is not covered by any SLA or deprecation policy. For a production site I would wait until modules becomes GA to start the migration... PK http://www.gae123.com On July 19, 2013 at 9:25:23 AM, Jason Collins (jason.a...@gmail.com) wrote: I'm pretty certain Modules subsumes backends based on the message that is on my console: Looks like you're using Backends. We suggest that you make the switch to App Engine Modules. See the Modules documentation to learn more about converting: Pythonhttps://developers.google.com/appengine/docs/python/modules/converting | Javahttps://developers.google.com/appengine/docs/java/modules/converting . Python link: https://developers.**google.com/appengine/docs/** python/modules/convertinghttps://developers.google.com/appengine/docs/python/modules/converting You can do the same things you do with backends using Modules. j On Thursday, 18 July 2013 21:54:26 UTC-6, husayt wrote: After reading the documentation on modules, I get an impression that backends are going to be replaced by modules. Is this right observation? Or maybe you could explain what would be the diff between the two. -- You received this message because you are subscribed to the Google Groups Google App Engine group. To unsubscribe from this group and stop receiving emails from it, send an email to google-appengi...@**googlegroups.com. To post to this group, send email to google-a...@googlegroups.**com. Visit this group at http://groups.google.com/**group/google-appenginehttp://groups.google.com/group/google-appengine . For more options, visit https://groups.google.com/**groups/opt_outhttps://groups.google.com/groups/opt_out . -- You received this message because you are subscribed to the Google Groups Google App Engine group. To unsubscribe from this group and stop receiving emails from it, send an email to google-appengi...@**googlegroups.com. To post to this group, send email to google-a...@googlegroups.**com. Visit this group at http://groups.google.com/**group/google-appenginehttp://groups.google.com/group/google-appengine . For more options, visit https://groups.google.com/**groups/opt_outhttps://groups.google.com/groups/opt_out . -- You received this message because you are subscribed to the Google Groups Google App Engine group. To unsubscribe from this group and stop receiving emails from it, send an email to google-appengi...@googlegroups.com javascript:. To post to this group, send email to google-a...@googlegroups.comjavascript: . Visit this group at http://groups.google.com/group/google-appengine. For more options, visit https://groups.google.com/groups/opt_out. -- You received this message because you are subscribed to the Google Groups Google App Engine group. To unsubscribe from this group and stop receiving emails from it, send an email to
[google-appengine] Re: Keep forwarding to admin/configure.jsp
Dear Vinny..
may i ask something again??
I'm really new with gae..
I have just deployed this http://testictactoe.appspot.com/;.
When i click to the Tictactoe, it shows Server Error.
My plan is i wanna this http://testictactoe.appspot.com/; as an server, i
will make an c# as my client application.
Here is my java coding for server :
package com.tictactoe;
import java.io.*;
import java.nio.channels.Channel;
import java.util.Random;
import javax.servlet.http.*;
import com.google.appengine.api.channel.ChannelMessage;
import com.google.appengine.api.channel.ChannelService;
import com.google.appengine.api.channel.ChannelServiceFactory;
import com.google.appengine.api.users.UserService;
import com.google.appengine.api.users.UserServiceFactory;
import com.sun.org.apache.xml.internal.resolver.helpers.Debug;
@SuppressWarnings(serial)
public class TictactoeServlet extends HttpServlet
{
private UserService userService;
private String userID;
private ChannelService channelService;
private String token;
private String gameState;
public void doGet(HttpServletRequest req, HttpServletResponse resp)
throws IOException
{
/*resp.setContentType(text/plain);
resp.getWriter().println(Hello, world);*/
userService = UserServiceFactory.getUserService();
userID = userService.getCurrentUser().getUserId();
channelService = ChannelServiceFactory.getChannelService();
token = channelService.createChannel(userID);
channelService.sendMessage(new ChannelMessage(userID, token));
resp.setContentType(text/html);
resp.getWriter().write(token);
}
@Override
public void doPost(HttpServletRequest req, HttpServletResponse resp)
throws IOException
{
String userId = req.getParameter(user);
gameState = req.getParameter(gstate);
if(gameState == X-E) gameState = O;
else if(gameState == O-E) gameState = X;
else if(gameState == O-S || gameState == X-S) gameState = O;
channelService = ChannelServiceFactory.getChannelService();
channelService.sendMessage(new ChannelMessage(userId, gameState));
}
}
Is there anything wrong??
At my client application, what's the url that could link to this tictactoe
server.
Thanks..
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Re: [google-appengine] Time Syncronization
Another idea to speed up synchronization on a high concurrency
transactional level, would be to create a single java backend instance that
takes in tasks from the front ends and process it in a singular queue. That
way you know the time is just from one server and you also know its from a
single threaded queue.
On Thursday, July 25, 2013, Evan Ruff wrote:
Hey guys,
Thanks a lot for the interesting ideas about handling this issue. So for
in my application, I need to be very sensitive (mils) about the arrival
time of requests to resolve conflicts in data assignment.
Basically, I'm worried about two requests coming in around the same time,
hitting two different instances, then having to resolve which request was
first.
I've thought about creating a memcache-based semaphore based around the
actual data ID that will be assigned, but I thought I'd see if there was a
slicker way that anyone had used.
Thanks,
E
On Jul 25, 2013 4:07 PM, alex a...@cloudware.it javascript:_e({},
'cvml', 'a...@cloudware.it'); wrote:
Evan, if the question here is whether currentTimeMils() returns correct
time, it's all managed for you, obviously including correct time. This is
not an EC2 instance.
Not that it probably matters here but Google introduced a concept called
true time, which IMO even more accurate than NTP in some sense. I don't
know if servers that run appspot apps use it at some level, but I know for
sure Google team use it in Spanner.
Anyway, why would you want to adjust current system time, do you have
evidence that it's not accurate enough?
On Thursday, July 25, 2013 6:53:34 PM UTC+2, Evan Ruff wrote:
Hey guys,
I'm curious to hear about any strategies people have used to employ time
synchronization among the AppEngine instances. I'm working on a project
that is looking to have a pretty important time component and the current
strategy I'm looking at is something long the lines of:
1. Record System.currentTimeMils()
2. URLFetch to an NTP server somewhere
3. Note return time
4. Correct NTP time using the start time to get request time.
Is this how other people are handling it? Is there another way that
might be simpler? I'm a little hesitant to run an URLFetch for each
request, obviously.
Thanks!
E
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