Stack Overflow
Stack Overflow

Questions tagged [isolation]

258 questions
1
vote
0 answers

Python sklearn isolation Forest tree split threshold precision

I was trying to use Scikit-Learn(sklearn) Isolation Forest for anomaly detection. I also converted model into PMML format using sklearn2pmml library. Ideally prediction using both (pickle and PMML(using JPMML Evaluator)) file should produce same…
Sudarshan1413
  • 11
  • 2
1
vote
0 answers

Before `cgroups` or `jail`, were there no OS methods to provide process isolation?

I'm trying to understand what the whole point of containers is. I'd say it has to do with the concept of isolation, which would pose these benefits: Malicious users who take control over a process, such as a vulnerable web server, might be able to…
JS Rolón
  • 273
  • 1
  • 9
1
vote
1 answer

How can I read data in an uncommitted delete?

A MS SQL 2008 procedure deletes then inserts data. I need to be able to read data in another connection right up until the insert happens, i.e., after the delete. How can I accomplish this?
Craig
  • 1,277
  • 2
  • 16
  • 29
1
vote
1 answer

Does MySQL update the same row one at a time?

If I run ten update queries like this, at the exact same time: update table set x = x - 1 where x >= 1 Does MySQL, under repeatable-read mode, guarantee that all these update queries are run one at a time, as opposed to in parallel (all at the…
Oo Dee
  • 145
  • 1
  • 11
1
vote
0 answers

hostapd isolate client from other network devices

I did google alot on this but cant find any really usefull info. I have setup a wlan with hostapd and dhcp (wpa) and its working really good. Now i have to add a new device/client to the wlan, and i want this device to not be able to…
Ezra Knobloch
  • 91
  • 1
  • 10
1
vote
1 answer

Subprocess Isolation in Python

I am currently working on a personal project where I have to run two processes simultaneously. The problem is that I have to isolate each of them (they cannot communicate between them or with my system) and I must be able to control their stdin,…
user6876175
1
vote
2 answers

SQL Server Large Transaction locking all tables

Thanks for taking the time to read my question. We have built a system using T-SQL that processes (large) quantities of data. When we start processing this data, this operation usually takes around 15 minutes to complete. During this time, for some…
sirokinl
  • 51
  • 6
1
vote
2 answers

Google Container Engine Subnets

I'm trying to isolate services from one another. Suppose ops-human has a bunch of mysql stores running on Google Container Engine, and dev-human has a bunch of node apps running on the same cluster. I do NOT want dev-human to be able to access any…
Peter Klipfel
  • 4,958
  • 5
  • 29
  • 44
1
vote
0 answers

PDOException SQLSTATE[HY000] [2002] No such file or directory. Whilst running laravel via isolated docker containers

Trying to run laravel via docker containers. So, isolated containers include artisan, mariadb, phpfpm, phpmyadmin, data, and storage containers. These containers are connected via links, the data container stores laravel files, and the storage…
dev_a.y
  • 133
  • 2
  • 7
1
vote
0 answers

How to set transaction isolation level none in mysql?

I want to test the transaction isolation issues : lost update. How can I do that in mysql console. I know the following one SET SESSION TRANSACTION ISOLATION LEVEL READ UNCOMMITTED; Using read uncommitted i can demo it does not allows lost update…
Bhupati Patel
  • 1,400
  • 2
  • 13
  • 18
1
vote
2 answers

isolation level set on every transaction

When we set isolation level in @Transactional annotation, then Isolation level is set on Connection attribute, so when the transaction is began then it must be firing SET TRANSACTION ISOLATION LEVEL READ COMMITTED query. (This is my assumption) So…
eatSleepCode
  • 4,427
  • 7
  • 44
  • 93
1
vote
1 answer

Performance isolation of containers (on Linux)?

I want to run a bunch of applications or containers on a single machine. I would like to isolate usage of the following resources: CPU Memory I/O (network, disk, etc) Ideally, I would like to achieve proportional usage of all resources, so that…
sydraz
  • 653
  • 6
  • 12
1
vote
7 answers

ASP.NET - Separation of concerns

Imagine the following scenario - we have Page1 which contains controls Control A and Control B. Say Control A has a button, and on the click of this button we want Control B to react. But we want to do this in an abstract fashion, i.e. we can't have…
Duncan
  • 10,218
  • 14
  • 64
  • 96
1
vote
0 answers

Set isolation on DB2 with Zend Framework

I need to lock a record while fetching and updating his fields. It's the first time I need this, so I made a test class to see how thing works(I promise I'll neve make queries in the controller again). With a browser (chrome) i call…
mauoftheclouds
  • 13
  • 1
  • 5
1
vote
1 answer

WRITE over READ in mysql

I am new with mysql transaction serializable. When I tried to update a row of a table while other concurrent sessions are reading it, the update transaction has to wait until the read transactions complete. Is there any way to allow the write…
Hieu Nguyen
  • 382
  • 2
  • 15
1 2 3
…
17 18