[Glass] Gemstone 3106 with Pier and crawler

Trussardi Dario Romano via Glass glass at lists.gemtalksystems.com
Wed Oct 31 10:08:09 PDT 2018


Ciao,


> What version of Seaside are you running?

	i have a Gemstone 3.1.0.6 environment with:

			Seaside 			3.0.13

			Magritte3			3.0
			Magritte3AddOns 	3.0.0
    			Pier3				3.0.0
    			Pier3AddOns		3.0.3

Thanks,

	Dario 

> This reminds me of https://github.com/GsDevKit/Seaside31/issues/64
> 
> Johan
> 
>> On 30 Oct 2018, at 15:57, Trussardi Dario Romano via Glass <glass at lists.gemtalksystems.com> wrote:
>> 
>> Ciao,
>> 	
>> 	the  FASTCGI 	daemon_server-9060.log report:
>> 	
>> topaz 1> topaz 1> topaz 1> topaz 1> [5621550081 sz:5 cls: 135169 GsFile] aGsFile
>> topaz 1> topaz 1> topaz 1> topaz 1> daemon Server started on port 9060
>> failure
>> Read-Write Conflicts...
>> Write-Write Conflicts...
>>     374958081
>> Write-Dependency Conflicts...
>> Write-ReadLock Conflicts...
>> Write-WriteLock Conflicts...
>> Rc-Write-Write Conflicts...
>> Synchronized-Commit Conflicts...
>> ----------- Commit failure - retrying LOG ENTRY: aSymbolDictionary-----------
>> failure
>> Read-Write Conflicts...
>> Write-Write Conflicts...
>>     374958081
>> Write-Dependency Conflicts...
>> Write-ReadLock Conflicts...
>> Write-WriteLock Conflicts...
>> Rc-Write-Write Conflicts...
>> Synchronized-Commit Conflicts...
>> ----------- Commit failure - retrying LOG ENTRY: aSymbolDictionary-----------
>> failure
>> Read-Write Conflicts...
>> Write-Write Conflicts...
>>     374958081
>> Write-Dependency Conflicts...
>> Write-ReadLock Conflicts...
>> Write-WriteLock Conflicts...
>> Rc-Write-Write Conflicts...
>> Synchronized-Commit Conflicts...
>> ----------- Commit failure - retrying LOG ENTRY: aSymbolDictionary-----------
>> failure
>> Read-Write Conflicts...
>> Write-Write Conflicts...
>>     374958081
>> Write-Dependency Conflicts...
>> Write-ReadLock Conflicts...
>> Write-WriteLock Conflicts...
>> Rc-Write-Write Conflicts...
>> Synchronized-Commit Conflicts...
>> ----------- Commit failure - retrying LOG ENTRY: aSymbolDictionary-----------
>> failure
>> Read-Write Conflicts...
>> Write-Write Conflicts...
>>     374958081
>> Write-Dependency Conflicts...
>> Write-ReadLock Conflicts...
>> Write-WriteLock Conflicts...
>> Rc-Write-Write Conflicts...
>> Synchronized-Commit Conflicts...
>> ----------- Commit failure - retrying LOG ENTRY: aSymbolDictionary-----------
>> failure
>> Read-Write Conflicts...
>> Write-Write Conflicts...
>>     374958081
>> Write-Dependency Conflicts...
>> Write-ReadLock Conflicts...
>> Write-WriteLock Conflicts...
>> Rc-Write-Write Conflicts...
>> Synchronized-Commit Conflicts...
>> ----------- Commit failure - retrying LOG ENTRY: aSymbolDictionary-----------
>> failure
>> Read-Write Conflicts...
>> Write-Write Conflicts...
>>     374958081
>> Write-Dependency Conflicts...
>> Write-ReadLock Conflicts...
>> Write-WriteLock Conflicts...
>> Rc-Write-Write Conflicts...
>> Synchronized-Commit Conflicts...
>> ----------- Commit failure - retrying LOG ENTRY: aSymbolDictionary-----------
>> failure
>> Read-Write Conflicts...
>> Write-Write Conflicts...
>>     374958081
>>     2285681153
>>     2285750273
>> Write-Dependency Conflicts...
>> Write-ReadLock Conflicts...
>> Write-WriteLock Conflicts...
>> Rc-Write-Write Conflicts...
>> Synchronized-Commit Conflicts...
>> ----------- Commit failure - retrying LOG ENTRY: aSymbolDictionary-----------
>> failure
>> Read-Write Conflicts...
>> Write-Write Conflicts...
>>     374958081
>> Write-Dependency Conflicts...
>> Write-ReadLock Conflicts...
>> Write-WriteLock Conflicts...
>> Rc-Write-Write Conflicts...
>> Synchronized-Commit Conflicts...
>> ----------- Commit failure - retrying LOG ENTRY: aSymbolDictionary-----------
>> failure
>> Read-Write Conflicts...
>> Write-Write Conflicts...
>>     374958081
>> Write-Dependency Conflicts...
>> Write-ReadLock Conflicts...
>> Write-WriteLock Conflicts...
>> Rc-Write-Write Conflicts...
>> Synchronized-Commit Conflicts...
>> ----------- Commit failure - retrying LOG ENTRY: aSymbolDictionary-----------
>> -----------  Unreportable ERROR Encountered: 2018-10-30T11:32:50.57347202301025+01:00a ImproperOperation occurred (error 2364), The object aGsSocket that has some associated session state has lost that transient state. Examples of classes that use session state are GsSocket and GsFile.-----------
>> -----------  Unreportable ERROR Encountered: 2018-10-30T11:32:51.41707491874695+01:00a ImproperOperation occurred (error 2364), The object aGsSocket that has some associated session state has lost that transient state. Examples of classes that use session state are GsSocket and GsFile.-----------
>> -----------  Unreportable ERROR Encountered: 2018-10-30T11:32:52.14350891113281+01:00a ImproperOperation occurred (error 2364), The object aGsSocket that has some associated session state has lost that transient state. Examples of classes that use session state are GsSocket and GsFile.-----------
>> -----------  Unreportable ERROR Encountered: 2018-10-30T11:32:52.95211100578308+01:00a ImproperOperation occurred (error 2364), The object aGsSocket that has some associated session state has lost that transient state. Examples of classes that use session state are GsSocket and GsFile.-----------
>> -----------  Unreportable ERROR Encountered: 2018-10-30T11:32:54.54405093193054+01:00a ImproperOperation occurred (error 2364), The object aGsSocket that has some associated session state has lost that transient state. Examples of classes that use session state are GsSocket and GsFile.-----------
>> dario at monviso:/mnt/ISTDataBase/opt3106/gemstone/GemStone64Bit3.1.0.6-x86_64.Linux/EnvGruppi/log$ 
>> 
>> 
>> In the GLASS mailing list i found:
>> 
>> 		[1] http://forum.world.st/Glass-Fastcgi-Socket-issues-td4816974.html
>> 
>> At a certain point we read:
>> 		
>> 		Maybe the heavy load makes it reproduce it because it's only when the SPC gets full enough to flush the GsSocket instance to disk...
>> 	
>> 
>> And I think it's the problem I had when the crawler made many requests, and the system is degraded. 
>> 
>> 
>> Now as I write this email, the system has created 32 new WASessions in one minute and the system is degraded again,
>> 
>> 	and i need to restart ( kill ) the Fastcgi daemon entry.
>> 
>> The solution for my old environment  Gemstone 3.1.0.6 is to comment  the last lines **** of code in :
>> 
>> saveLogEntry: anObjectLogEntry shouldCommit: shouldCommit
>>  "Does an abort and commit, if not already in transaction"
>>  
>>  | stdout |
>>  stdout := GsFile stdoutServer.
>>  stdout nextPutAll: '----------- ', anObjectLogEntry labelString, ' LOG ENTRY: ', anObjectLogEntry objectString.
>>  stdout nextPutAll: '-----------', DateAndTime now asString.
>>  stdout cr.
>>  stdout close.
>>  "obi TODO"
>> 
>>  "  ****shouldCommit  
>> 	 ifTrue: [ self doTransaction: [ anObjectLogEntry addToLog ]]
>> 	ifFalse: [ anObjectLogEntry addToLog ]."
>> 
>> 	
>> as reported at the end of [ 1 ] ?
>> 	
>> 
>> 	Thanks for every consideration,
>> 
>> 		Dario	
>> 
>> 
>>> GLASS mailing list wrote
>>>> Ciao, thanks.
>>>> 
>>>>> You can block the IP with nginx (or apache if you're using it) if you
>>>>> want:
>>>>> 
>>>>> https://help.dreamhost.com/hc/en-us/articles/216456127-Blocking-IPs-with-Nginx
>>>>> 
>>>>> and I'm sure you could google an article that covers how to do it with
>>>>> Apache.  
>>>> 
>>>> 	OK, i use Lighttpd server and i found the relative data entry to do it.
>>>> 
>>>> 	Would it be interesting, at a first level, 
>>>> 
>>>> 		to directly manage the request in Seaside without having to restart the
>>>> web server?
>>> 
>>> I'm sure there is but I don't know exactly where and why you'd want Seaside
>>> checking every request to see if its from an IP if the webserver can do it
>>> faster.  I'd probably start looking in WAServerAdaptor to figure out how.  
>>> 
>>> 
>>> GLASS mailing list wrote
>>>>> 
>>>>> 
>>>>> For the "daemontools thinks its working but its really not" problem you
>>>>> could add an additional daemontools monitored process that checks a url
>>>>> that
>>>>> is served by each fastcgi process e.g. every 30 seconds or so and then
>>>>> kill
>>>>> the gem if it returns the wrong thing.
>>>> 
>>>> 	Are you saying that as I configured the system does not work?
>>>> 
>>>> 	When the system has been subjected to a greater load of requests,
>>>> everything is degraded!
>>>> 
>>>> 	Does anyone have a Gemstone Pier site with a certain load of requests?
>>> 
>>> I just think sometimes there are errors in the gems that aren't enough to
>>> kill them, so daemontools doesn't know they're faulty, but the gem
>>> would/could still benefit from a restart.  It should be able to handle the
>>> extra load as what you've described isn't much
>>> 
>>> I'm not sure why performance was degraded.  Are you using SSDs ? Did you run
>>> out of disk where you're storing stats or tranlogs?
>>> 
>>> 
>>> GLASS mailing list wrote
>>>>> 
>>>>> GLASS mailing list wrote
>>>>>> Ciao,
>>>>>> 
>>>>>> 	i have a Gemstone 3.1.0.6 environment with Seaside and Pier framework.
>>>>>> 
>>>>>> 	The Gemstone stone and the relative Fast-CGI service is managed by
>>>>>> Daemontools.
>>>>>> 
>>>>>> 	Everything works for a few years.
>>>>>> 
>>>>>> 	It's been a few days since the home server is continuously submitted to
>>>>>> requests (one every 5 seconds) made by ip 46.4.122.196  ( a crawler ?! )
>>>>>> 
>>>>>> 	Now it happens that in some situations the service relative to Fast-CGI
>>>>>> go down but is not managed ( restart )from daemontools.
>>>>>> 
>>>>>> 	These are the daemontool service entry 
>>>>>> 		/etc/service/gs_seaside-9060: up (pid 25393) 142648 seconds
>>>>>> 		/etc/service/gs_seaside-9061: up (pid 7106) 15059 seconds
>>>>>> 		/etc/service/gs_seaside-9062: up (pid 20118) 194917 seconds
>>>>>> 
>>>>>> 	Every  Fast-CGI service create 3 entry.
>>>>>> 
>>>>>> 	I report the 9062 entry with:	 lsof -n -i -P | grep 20118
>>>>>> 
>>>>>> 		topaz     20118 dario    6u  IPv6 236275      0t0  TCP
>>>>>> [::1]:40117->[::1]:42453 (ESTABLISHED)
>>>>>> 		topaz     20118 dario    8u  IPv6 236276      0t0  TCP
>>>>>> [::1]:40503->[::1]:43399 (ESTABLISHED)
>>>>>> 		topaz     20118 dario   12u  IPv4 236281      0t0  TCP *:9062 (LISTEN)
>>>>>> 
>>>>>> 	When the 20118  Fast-CGI IPv4	go down the :
>>>>>> 	
>>>>>> 		topaz     20118 dario    6u  IPv6 236275      0t0  TCP
>>>>>> [::1]:40117->[::1]:42453 (ESTABLISHED)
>>>>>> 		topaz     20118 dario    8u  IPv6 236276      0t0  TCP
>>>>>> [::1]:40503->[::1]:43399 (ESTABLISHED)
>>>>>> 
>>>>>> 	remain active and therefore i believe that the daemontools does not
>>>>>> consider service ( 20118 ) to be dead.
>>>> 
>>>> 	So this consideration is true?
>>> 
>>> Yes I think you're right.  Daemontools just makes sure the gem process is
>>> running, not whether the gem can handle tcp connections (or do anything else
>>> for that matter).  
>>> 
>>> Hope this helps.
>>> 
>>> 
>>> GLASS mailing list wrote
>>>>>> 
>>>>>> 	But the web request ( when all the Fast-CGI are down )is not managed by
>>>>>> any  TCP *:906[ 0 - 2 ]  (LISTEN) because all are down.
>>>>>> 
>>>>>> 	Any idea about it?
>>>>>> 
>>>>>> 	Another question:
>>>>>> 
>>>>>> 	i can intercept the requests made by	 46.4.122.196 	 before creating
>>>>>> the
>>>>>> related WASessions and replying ...????....  - do not reply?
>>>> 
>>>> 	Thanks,
>>>> 
>>>> 		Dario
>>>> 
>>>> _______________________________________________
>>>> Glass mailing list
>>> 
>>>> Glass at .gemtalksystems
>>> 
>>>> http://lists.gemtalksystems.com/mailman/listinfo/glass
>>> 
>>> 
>>> 
>>> 
>>> 
>>> --
>>> Sent from: http://forum.world.st/GLASS-f1460844.html
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>> 
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> 

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