Re: [sqlite] Slow inserts with UNIQUE

2011/10/30 Black, Michael (IS) > > #1 What version? > 3.7.8, using System.Data.Sqlite wrapper > #2 How long to insert the 1M? > 10 seconds > > #3 What's the average string size? > 55 characters > > #5 How long to create the index? > 10 seconds > #6 How long to insert the next 10,000?

Re: [sqlite] Slow inserts with UNIQUE

1 12:11 PM To: General Discussion of SQLite Database Subject: EXT :Re: [sqlite] Slow inserts with UNIQUE 2011/10/29 Simon Slavin > > When you insert the 10,000 strings are you doing it inside a transaction ? > > BEGIN TRANSACTION; > INSERT ... > INSERT ... > INSERT ... > COMMIT;

Re: [sqlite] Slow inserts with UNIQUE

sqlite.org [sqlite-users-boun...@sqlite.org] on behalf of Fabian [fabianpi...@gmail.com] Sent: Saturday, October 29, 2011 12:11 PM To: General Discussion of SQLite Database Subject: EXT :Re: [sqlite] Slow inserts with UNIQUE 2011/10/29 Simon Slavin > > When you insert the 10,000 strings

Re: [sqlite] Slow inserts with UNIQUE

2011/10/29 Simon Slavin > > When you insert the 10,000 strings are you doing it inside a transaction ? > > BEGIN TRANSACTION; > INSERT ... > INSERT ... > INSERT ... > COMMIT; > > Yes, I use transactions, prepared statements, cache_size, journal_mode and synchronous PRAGMA's, almost everything you

Re: [sqlite] Slow inserts with UNIQUE

On 29 Oct 2011, at 5:57pm, Fabian wrote: > I have a table with one TEXT column. I insert 1 million rows of short > strings, and then create an UNIQUE INDEX. The speed is very acceptable. Then > I insert another 10.000 short strings, and the performance is very bad, it > almosts take longer than i

[sqlite] Slow inserts with UNIQUE

I have a table with one TEXT column. I insert 1 million rows of short strings, and then create an UNIQUE INDEX. The speed is very acceptable. Then I insert another 10.000 short strings, and the performance is very bad, it almosts take longer than inserting the initial million(!) rows to fill the ta