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3
votes
1answer
111 views

What are some key configuration settings for using an InnoDb table for session storage?

I want to start clustering my PHP app servers but don't want to go for a sticky-sessions load balancing setup at this point. However, I want sessions that are persisted to disk and implement proper ...
2
votes
1answer
45 views

What will happen when a forum uses 24 char length as an URL ID?

I found a forum using self made/custom engine still in beta version, previously using vBulletin. Now, their new engine uses very long URL id, 24 char length. ...
0
votes
2answers
153 views

shall I use multiple separete tables or one table with multiple partition on oracle

I have an entity lets call it Response, and another entity called ResponseType, Response entity contains the ResponseType; so when I am building the physical model I confused with how to implement it; ...
9
votes
1answer
324 views

Disk file effects of delete and vacuum

I have a very frequently updated table with 240 million rows (and growing). Every three hours 1.5 million rows are inserted and 1.5 million are deleted. When I moved the cluster to a SSD this bulk ...
11
votes
1answer
248 views

Highly Concurrent Storage System

Imagine your requirement is that you have 3 huge tables (structured data) with say 30 billion rows in each (total size of 4TB) and your many concurrent users (which are parallel os threads on remote ...
5
votes
1answer
270 views

Adding SPARSE made table much bigger

I have a generic log table, about 5m rows. There's a "strongly typed" field that stores event type, and a bunch of "losely typed" columns that contain data relevant to the event. That is, meaning of ...
1
vote
1answer
327 views

Storing Passport Numbers in a database

We're developing a travel/tourist application for a tours company who want to be able to input traveler information into an online database. Is there any security best practice for storing passport ...
4
votes
1answer
700 views

How to best store the Google Web Ngram data?

This is a continuation of How to best store Google ngrams in a database?, which covers how to store the Google Ngram Book data. I'm looking to store the Google NGram Web data, which is slightly ...
1
vote
1answer
129 views

String Pooling for MySQL

So I'm having this table that logs all errors happened in our production code. It looks like this: id | date | type | message | file | line ...
3
votes
1answer
144 views

Extreme storage beasts

Intro I have derived this question from my previous question Single Drive vs Multiple Drives After getting a very detailed answer from a very helpful member RolandoMySQLDBA and learning the fact that ...
5
votes
2answers
160 views

Database placement on abstract storage structure

Often times we all hear the same thing. The recommendations on where to put OLAP/OLTP databases, where to put the tempdb, where to put transaction logs...etc. But say you are in an environment where ...
3
votes
2answers
341 views

Windows Storage Server, SQL Server, regular files — means to protect from insider threats?

This is my first post here, and I am by no means qualified as a Windows Server or Storage Server 2008 or SQL Server 2008 administrator. I am mostly a Unix guy, however tasked with a job to investigate ...
2
votes
2answers
589 views

Effective backup and archive strategy for database and linked files

I am using Postgres to store a variety of application data for a webapp. Part of the application involves storing and retrieving user uploaded files. I am storing the files in the filesystem with ...
1
vote
1answer
426 views

SAN Storage & Server for Oracle Replication

I need a 2-3 TB storage server group for Oracle Database. We want SAN Storage & Server for Oracle Replication, but not Microsoft Storage Server. For example : HP DL380 G6 as a server and EMC ...
5
votes
1answer
318 views

MySQL and Solid State Disks on EMC

Since all writes and sequential reads are cached by the EMC storage system, the best use for solid state disk is to store data that has a random READ pattern. On Oracle, that is the temp tablespace ...
4
votes
2answers
184 views

SQL Filegroup degrading performance

On our dev boxes, our database resides entirely in the PRIMARY filegroup, and everything works fine. On one of our production servers, recently upgraded from 2005 to 2008, we noticed it was ...