in-memory Questions
1
Solved
I am currently working on a flashcard application where decks created by the user act as Git repositories. When a card is created in the app, a new file is committed to the repository, when a card ...
2
Solved
I have a docker container which does alot of read/write to disk. I would like to test out what happens when my entire docker filesystem is in memory. I have seen some answers here that say it will ...
Mattock asked 28/8, 2016 at 16:29
2
On News Website, I have an Article model, and I want to cache the latest articles since I expect they have the highest hits. How can I write a method that operates in this way:
public function fin...
1
Solved
(I could not find a good source explaining this, so if it is available elsewhere, you could just point me to it)
Hazelcast replicates data across all nodes in clusters. So, if data is changed in ...
Kierakieran asked 3/6, 2015 at 14:55
2
Solved
I have a MySQL stored routine where I'd like to use a temporary data table to store intermediate results. To avoid having to create a "normal" table, I want to use an in-memory table that goes away...
Willams asked 18/11, 2011 at 8:25
4
Solved
I am writing a REST API which will take in a JSON request object. The request object will have to be serialized to a file in JSON format; the file has to be compressed into a zip file and the ZIP f...
2
Solved
I am using SQL Server 2014 CTP2, with READ_COMMITTED_SNAPSHOT ON (I think it's important for the question).
I have create an In-Memory table type (very similar to the example the technet blog, SQL...
Sardine asked 2/2, 2014 at 7:34
1
Does anyone know if there is a H2 Database equivalent for RabbitMQ queues(or with extension capability to make it compatible with RabbitMQ)?
I would like to run integration tests without having to...
4
Hi I have a BufferedImage instance in memory and want to convert it into byte[] to encode as base64 string without I/O operation for performance consideration. I was using the following API:
ByteA...
Cipolin asked 19/4, 2012 at 19:51
5
Solved
I have file that is CIDR format like this 192.168.1.0/24 and it is converted into this two column strucutre
3232236030 3232235777
Each string IP address convertion happens with this code:
String s...
1
Solved
I am using H2 DB in in-memory mode to process some data. My java application needs to keep the JVM on while dropping and re-creating or truncating or dropping all objects in H2 DB in each run. Ther...
2
Solved
Eclipse's JDT compiler provide an interface INameEnvironment which defines method findType(...) enable you to do cascade compilation. Curiously I would like to know if there are any means to do it ...
Aholla asked 17/1, 2012 at 0:25
1
Solved
I have a character buffer that I would like to compress in place. Right now I have it set up so there are two buffers and zlib's deflate reads from the input buffer and writes to the output buffer....
4
Solved
I am trying to use R to analyze large DNA sequence files (fastq files, several gigabytes each), but the standard R interface to these files (ShortRead) has to read the entire file at once. This doe...
Steffy asked 8/11, 2010 at 16:40
1
Solved
If a create a in-memory sqlite database using syntax below, then what is the size of maximum memory allocated to it?
my $dbh = DBI->connect('dbi:SQLite:dbname=:memory:');
What will happen if ...
5
Solved
There are quite a few independent and not-so-independent studies comparing traditional RDBMSs but I haven't managed to find any good material on in-memory databases. I am primarily interested...
Maccarthy asked 9/6, 2009 at 13:17
2
Solved
I have a system which after getting a message - enqueues it (write to a table), and another process polls the DB and dequeues it for processing. In my automatic tests I've merged the operations in ...
Peppercorn asked 14/4, 2011 at 11:57
6
Solved
I am looking for satisfactory options for unit testing my .NET DAL classes; since they're DAL classes, they access the database directly using ADO.NET. Presently I use an instance of a MSSQL databa...
Reine asked 27/1, 2009 at 11:13
2
Solved
I'm comfortable in the MySQL space having designed several apps over the past few years, and then continuously refining performance and scalability aspects. I also have some experience workin...
4
Solved
I am trying to reduce the amount of database access by providing a in memory cache.
I understand that I can get a cache by using session and cookies, however this only works on a per client basis. ...
Brodench asked 13/10, 2011 at 17:54
2
Solved
Are there any DBs for Java that can be run in an embedded mode with some tables being stored in-memory while loading others from disk? H2 and JavaDB seem to be the two leaders for Java DBs an...
Interlunar asked 19/12, 2009 at 7:28
6
I have a simpleton question on Redis. If the key to it's performance is that it's in-memory, whey can't that be done on a regular SQL db?
Warthman asked 16/3, 2011 at 17:57
1
I have a number of unit tests, which use Apache Derby in memory.
My connection url is: jdbc:derby:memory:srf.derby;create=true
I discovered that each time, when a method marked as @Transactional i...
6
I've got a special need and the most important concerns are:
in-memory
very low memory footprint
speed
Here's my "problem": I need to store, in-memory, a huge number of very sparse bit arrays. ...
Greenlaw asked 1/11, 2010 at 23:26
7
Solved
I am currently using DB2 to do unit tests, but it is sometime quite slow. I would need a good in-memory database that would include all the feature of DB2. Does this type of in-memory databas...
Latia asked 21/9, 2010 at 12:57
© 2022 - 2024 — McMap. All rights reserved.