I\'ve inherited a C# .NET application which talks to a web service, and the web service talks to an Oracle database.I need to add an export function to the UI, to produce an Excel spreadsheet of some
An rpc server is given which receives millions of requests a day. Each request i takes processing time Ti to get processed. We want to find the 65th percentile processing time (when processing times a
I\'m a mathematician and occasionally do some statistics/machine learning analysis consulting projects on the side开发者_开发问答. The data I have access to are usually on the smaller side, at most a
I have large amounts of data (a few terabytes) and accumulating... They are contained in many tab-delimited flat text files (each about 30MB). Most of the task involves reading the data and aggregatin
I\'m having some serious performance issues with a multi-million row table that I feel I should be able to get results from fairly quick. Here\'s a run down of what I have, how I\'m querying it, and h
I simply need to read each row in a table in my MySQL database using Hibernate and write a file based on it.But there are 90 million rows and they are pretty big.So it seemed like the following would
The problem is, we have a huge number of records (more than a million) to be inserted into a single table from a Java application. The records are created by the Java code, it\'s not a move from anoth
I have a very large php maintenance script (basically it recreates thumbnails for an internal archive), it takes 10 to 20 minutes to complete and I noticed that php only displays \"echos\" when the wh
My Perl script have weird behaviour which I don\'t understand. I\'m processing large structure stored as array of hashes which is growing while processing. The problem is that structure has about max
Lets say you have a large text file. Each row contains an email id and some other information (say some product-id). Assume there are millions of rows in the file. You开发者_如何学运维 have to load th
加载中,请稍侯......