Re: [HACKERS] Improve lseek scalability v3

2011-09-16 Thread Matthew Wilcox
g to the blog entry it's used for "the query planner". Does the query planner need to know the exact number of bytes in the file, or is it after an order-of-magnitude? Or to-the-nearest-gigabyte? -- Matthew Wilcox Intel Open Source Technology Centre "B

Re: [HACKERS] Improve lseek scalability v3

2011-09-19 Thread Matthew Wilcox
et the current size of a file before; I'd assumed everybody used fstat. Given this legitimate reason for a high-frequency calling of lseek, I withdraw my earlier objection to the patch series. -- Matthew Wilcox Intel Open Source Technology Centre "Bill, look, we