Dan, I'm getting an LSM_OK on lsm_close. I attached the writer and reader test case. If you comment out the lsm_config call that turns off logging, all the writes get in.
Thanks, Rob On Wed, Feb 20, 2013 at 9:43 AM, Dan Kennedy <danielk1...@gmail.com> wrote: > On 02/20/2013 11:37 PM, Rob Turpin wrote: > >> Yes. >> > > Is it succeeding? Returning LSM_OK? > > Dan. > > > > >> On Wed, Feb 20, 2013 at 3:14 AM, Dan Kennedy <danielk1...@gmail.com> >> wrote: >> >> On 02/20/2013 05:07 PM, Rob Turpin wrote: >>> >>> I'm running some performance tests on the lsm storage engine, and an >>>> issue >>>> has cropped up for me. I retrieved the sqlite4 code from the repository >>>> about a week ago. >>>> >>>> I'm doing a simple single threaded test to see what kind of performance >>>> I >>>> can get on write transactions. After completing the write test, I run >>>> another program to read the DB, and all the writes are not there. >>>> >>>> Here's are the config options I set before calling lsm_open. >>>> >>>> int iVal = 0; >>>> lsm_config(db, LSM_CONFIG_MULTIPLE_PROCESSES, &iVal); >>>> lsm_config(db, LSM_CONFIG_USE_LOG, &iVal); >>>> iVal = 4096; >>>> lsm_config(db, LSM_CONFIG_AUTOFLUSH, &iVal); >>>> iVal = 8192; >>>> lsm_config(db, LSM_CONFIG_AUTOCHECKPOINT, &iVal); >>>> >>>> >>>> If logging is on, there is no issue, all writes are in the DB. But >>>> since >>>> I'm trying to increase performance I turn this off. >>>> >>>> From reading the documentation I was assuming the >>>> LSM_CONFIG_AUTOCHECKPOINT >>>> setting should sync the writes in memory to disk at 8MB (per my setting, >>>> default is 2 MB). I'm performing no explicit commits or checkpoints. >>>> I'm >>>> simply calling lsm_insert to write data to the DB. Perhaps this is >>>> where >>>> I'm confused about the expected behavior. >>>> >>>> Could anyone correct me where I'm wrong on my assumptions, or could >>>> there >>>> be an issue with this? >>>> >>>> >>> Are you calling lsm_close() at the end of the write test? >>> >>> Dan. >>> >>> >>> >>> >>> ______________________________****_________________ >>> sqlite-users mailing list >>> sqlite-users@sqlite.org >>> http://sqlite.org:8080/cgi-****bin/mailman/listinfo/sqlite-****users<http://sqlite.org:8080/cgi-**bin/mailman/listinfo/sqlite-**users> >>> <http://sqlite.org:8080/**cgi-bin/mailman/listinfo/**sqlite-users<http://sqlite.org:8080/cgi-bin/mailman/listinfo/sqlite-users> >>> > >>> >>> ______________________________**_________________ >> sqlite-users mailing list >> sqlite-users@sqlite.org >> http://sqlite.org:8080/cgi-**bin/mailman/listinfo/sqlite-**users<http://sqlite.org:8080/cgi-bin/mailman/listinfo/sqlite-users> >> >> > ______________________________**_________________ > sqlite-users mailing list > sqlite-users@sqlite.org > http://sqlite.org:8080/cgi-**bin/mailman/listinfo/sqlite-**users<http://sqlite.org:8080/cgi-bin/mailman/listinfo/sqlite-users> >
_______________________________________________ sqlite-users mailing list sqlite-users@sqlite.org http://sqlite.org:8080/cgi-bin/mailman/listinfo/sqlite-users
