RE: questions about LMDB

2015-03-19 Thread Shu, Xinxin
Sorry for the wrong mail list , I will forward this request to technical list Cheers, xinxin -Original Message- From: Howard Chu [mailto:h...@symas.com] Sent: Thursday, March 19, 2015 11:52 PM To: Shu, Xinxin; openldap-devel@openldap.org Subject: Re: questions about LMDB Shu, Xinxin

Re: questions about LMDB

2015-03-19 Thread Howard Chu
Shu, Xinxin wrote: Several other questions about lmdb 1) does lmdb store one key-value pair in a single page? How lmdb organizes these key-value pairs in a single page 2) if size is larger than single page size , how lmdb process this request? This list is for developers to discuss actual

Re: questions about LMDB

2015-03-19 Thread Howard Chu
Shu, Xinxin wrote: Hi list , Recently I read docs about lmdb , there are two sentences 1) readers do not block writers 2) writers do not block readers I can understand 'readers do not block writers' , but cannot understand the second one , can someone help explain , how lmdb achieve 'writers do

RE: questions about LMDB

2015-03-19 Thread Shu, Xinxin
Several other questions about lmdb 1) does lmdb store one key-value pair in a single page? How lmdb organizes these key-value pairs in a single page 2) if size is larger than single page size , how lmdb process this request? Any help will be appreciated ? thanks Cheers, xinxin -Original

questions about LMDB

2015-03-19 Thread Shu, Xinxin
Hi list , Recently I read docs about lmdb , there are two sentences 1) readers do not block writers 2) writers do not block readers I can understand 'readers do not block writers' , but cannot understand the second one , can someone help explain , how lmdb achieve 'writers do not block readers