pooling Questions
2
Solved
My question is about the recommended approach for handling database connections when using Flask in a production environment or other environment where performance is a concern. In Flask, the g obj...
Malinger asked 4/4, 2019 at 19:6
9
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Does anyone have a good resource on implementing a shared object pool strategy for a limited resource in vein of Sql connection pooling? (ie would be implemented fully that it is thread safe).
To ...
Carleton asked 24/3, 2010 at 19:58
1
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I have following benchmark which read string from file using Stack allocation, Heap allocation and ArrayPool allocation.
I would expect that Stack allocation is fastest, because it is just stack ...
Crapulous asked 18/3, 2019 at 20:25
2
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My awareness of Generics is that they can help me streamline my pooling, but can't figure out how.
My pooling system is minimalistic, but messy. And now getting unwieldy and messy, and MESSY. It d...
Rutheruthenia asked 8/11, 2018 at 22:17
0
I am working on a project where we are optimizing a legacy codebase that used boilerplate jdbc code and in our new project we use springs jdbcTemplate. I've found the query times in the legacy code...
4
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In one of the interviews that I faced,I was asked to implement connection pooling.
So approach was this:
Create a List or HashMap
Create predefined number of connections
Add them to the collectio...
Bigener asked 6/7, 2011 at 10:59
4
...
print('Build model...')
model = Sequential()
model.add(Embedding(max_features, 128))
model.add(LSTM(size, return_sequences=True, dropout_W=0.2 dropout_U=0.2))
model.add(GlobalAveragePooling1D(...
2
I've been looking to implement pooling in part of my application. I want to use the Commons Pool library but am slightly concerned about how the close() behaviour works. From looking at the javadoc...
Falsify asked 17/12, 2009 at 15:35
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Node.js is single threaded. The Javascript V8 engine and some of the internal libraries are multi threaded. For I/O, node delegates I/O to OS which may be multi-threaded.
If my node.js application...
1
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So I have recently started facing TestNGException while trying to run our existing test suite using the IDE. By recently I mean updating the intelliJ and dependencies to try working on latest versi...
Goldina asked 2/9, 2016 at 10:14
2
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We are working on an IBM WebSphere MQ application, and we use JMS API to operate the message. But we have a problem that the connection takes too much time, and we want to pool the JMS connection, ...
1
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I'm using Apache Tomcat JDBC connection pooling in my project. I'm confused because under heavy load I keep seeing the following error:
12:26:36,410 ERROR [] (http-/XX.XXX.XXX.X:XXXXX-X) org.apach...
Module asked 31/3, 2015 at 11:53
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I'd like to ask if is it portable to rely on string literal address across translation units? I.e:
A given file foo.c has a reference to a string literal "I'm a literal!", is it correct and ...
Liam asked 9/10, 2014 at 13:26
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Could please somebody tell me a real life example where it's convenient to use this factory method rather than others?
newSingleThreadExecutor
public static ExecutorService newSingleThreadExe...
Halcomb asked 29/5, 2013 at 12:58
3
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I'm following this tutorial regarding how to pool objects in Spring. I've followed the instruction written on the tutorial but when I run my application, it always generates a new instance of the o...
Firearm asked 18/3, 2013 at 9:3
1
i've read a lot of posts regarding problems with auto reconnecting to mysql from hibernate session. Others mention an increase of mysql wait_timeout (not my favorite), using autoReconnect=true (not...
5
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I'm running a Spring/Hibernate connecting to MySQL setup using c3p0 as my connection pool. For some bizarre reason it runs out of connections when the system is under load (of course).
The site wa...
Florence asked 8/3, 2011 at 17:17
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It seems the only way to make the GAE Channel API financially viable is to implement some kind of pooling mechanism (one of the senior app engine product managers even told me this when I emailed t...
Elemental asked 16/11, 2011 at 5:40
1
I am trying to understand the difference between:
An app-cell
An app instance; and
An app pool
For instance, how do I know when it is appropriate to add more app-cells for my app? Or to add mor...
Selfmastery asked 15/5, 2013 at 20:13
2
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I have a GenericKeyedObjectPool in my application.
I can close it with the close method but how should I wait for the clients to return (and the pool destroys) every borrowed object to the pool?
I...
Size asked 13/11, 2012 at 4:50
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I am trying to create a spring-managed standalone pool for tomcat-dbcp using the version 7.0.30 of tomcat-dbcp.jar
However it seems the org.apache.tomcat.jdbc.DataSource class that is referred to ...
2
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I'm in the middle of a problem where I am unable decide which solution to take.
The problem is a bit unique. Lets put it this way, i am receiving data from the network continuously (2 to 4 times p...
Blockish asked 28/7, 2012 at 11:50
2
I'm looking to make heavy consumption of a RESTful API from a ColdFusion application.
I'm not a CF expert but I'm anticipating the repeated cfhttp calls will become a bottleneck as I believe that ...
Saltandpepper asked 9/3, 2012 at 17:3
5
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When to go for object pooling using C#? Any good ex...
What are the pro's and con's of maintaining a pool of frequently used objects and grab one from the pool instead of creating a new one?
Terbia asked 15/4, 2010 at 14:51
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Background: I'm moving my application from npgsql v1 to npgsql v2.0.9. After a few minutes of running my application, I get a System.Exception: Timeout while getting a connection from the pool.
Th...
Dangerous asked 5/5, 2010 at 17:43
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