Re: [sqlite] [EXTERNAL] Re: what is the optimized way to do the vaccum?

2019-12-05 Thread Zhu, Liang [AUTOSOL/ASSY/US]
According to the SQLlite.org, the purpose of vacuum is as follows, VACUUM command rebuilds the database file, repacking it into a minimal amount of disk space. I am trying to resolving an issue, I am keeping the record count in each row for the table with 20 row, After the table fill up

Re: [sqlite] [EXTERNAL] Re: what is the optimized way to do the vaccum?

2019-12-05 Thread Zhu, Liang [AUTOSOL/ASSY/US]
, at 6:31pm, Zhu, Liang [AUTOSOL/ASSY/US] wrote: > If I do not do Vacuum, my database size just keep raising, eventually the > database size gets to over 90% of storage size, I can save data to the > database any more. VACUUM should not be saving you any space. And VACUUM p

Re: [sqlite] [EXTERNAL] Re: what is the optimized way to do the vaccum?

2019-12-05 Thread Zhu, Liang [AUTOSOL/ASSY/US]
:12 AM To: SQLite mailing list Subject: [EXTERNAL] Re: [sqlite] what is the optimized way to do the vaccum? On Wed, Dec 4, 2019, 9:28 PM Zhu, Liang [AUTOSOL/ASSY/US] < liang@emerson.com> wrote: > All Sqlite Expert, > > I have one table, I am inserting and deleting rec

[sqlite] what is the optimized way to do the vaccum?

2019-12-04 Thread Zhu, Liang [AUTOSOL/ASSY/US]
All Sqlite Expert, I have one table, I am inserting and deleting record to and from this table very 250ms. I always maintain 1000 rows in this table. I have another table, I am inserting and deleting data to and from this table every 1s. The data record in this table maintains at 200,000

Re: [sqlite] [EXTERNAL] Re: how to delete BLOB object from the data base

2019-07-15 Thread Zhu, Liang [AUTOSOL/ASSY/US]
] how to delete BLOB object from the data base On 15.07.19 21:38, Zhu, Liang [AUTOSOL/ASSY/US] wrote: > ... I am inserting to the BLOB data into the table at every 250ms, I > delete the oldest row at every 600ms, also I am reading the data from > the database at every 10ms... How do you

[sqlite] how to delete BLOB object from the data base

2019-07-15 Thread Zhu, Liang [AUTOSOL/ASSY/US]
Sqlite Experts, I have a table contains the BLOB object, I am inserting to the BLOB data into the table at every 250ms, I delete the oldest row at every 600ms, also I am reading the data from the database at every 10ms. After almost of 100,000 insert, delete and select operations, I am

Re: [sqlite] [EXTERNAL] Re: seeking information on the throughput requirement using Sqlite

2019-05-03 Thread Zhu, Liang [AUTOSOL/ASSY/US]
questions are: What is the planned _transaction_ rate? And how many different connections will be trying to write at once? -Original Message- From: sqlite-users [mailto:sqlite-users-boun...@mailinglists.sqlite.org] On Behalf Of Zhu, Liang [AUTOSOL/ASSY/US] Sent: Friday, May 03, 2019 10:01

[sqlite] seeking information on the throughput requirement using Sqlite

2019-05-03 Thread Zhu, Liang [AUTOSOL/ASSY/US]
Hi Sqlite experts, In my current project, we have the need to inserting and deleting data to and from the database between 1 and 10 ms for 24/7. I am seeking the clarification on the following questions 1. what is the throughput requirements are possible using Sqlite API?, in other