Re: [WebDNA] Re: Hard-coded db write delay when running certain code?

This WebDNA talk-list message is from

2011


It keeps the original formatting.
numero = 106230
interpreted = N
texte = ok, i thought you were mentionning the timestamp for the database file = itself, not the one associated with the recorded [append]. On Jan 31, 2011, at 16:56, Kenneth Grome wrote: > > > but once again I will remind you that flushing to disk > > > has nothing to do with append times! > >=20 > > yes, it has: with option "Automatically commit databases > > to disk after modification", the [append] tags will be > > processed one at a time, and if your db is something > > like 500MB and your disk writes at 100MB/s, then it will > > take *at least* 5 seconds to write. > What I meant was that the timestamp will be recorded in the RAM copy = of the db at the exact time when WebDNA interprets the append context, = not later when that data is eventually flushed to disk. > Newly appended records may not yet appear in the disk copy when you = open that file in a text editor, but those new records -- with the = correct append times -- still exist in the RAM copy.=20 > So unless I'm missing something I think I have to stick with my = original claim that flushing to disk has no effect on append times. =20 > Sincerely, > Kenneth Grome > --------------------------------------------------------- This message = is sent to you because you are subscribed to the mailing list . To = unsubscribe, E-mail to: archives: = http://mail.webdna.us/list/talk@webdna.us Bug = Reporting:support@webdna.us Associated Messages, from the most recent to the oldest:

    
  1. Re: [WebDNA] Hard-coded db write delay when running certain code? (christophe.billiottet@webdna.us 2011)
  2. [WebDNA] Hard-coded db write delay when running certain code? (Kenneth Grome 2011)
ok, i thought you were mentionning the timestamp for the database file = itself, not the one associated with the recorded [append]. On Jan 31, 2011, at 16:56, Kenneth Grome wrote: > > > but once again I will remind you that flushing to disk > > > has nothing to do with append times! > >=20 > > yes, it has: with option "Automatically commit databases > > to disk after modification", the [append] tags will be > > processed one at a time, and if your db is something > > like 500MB and your disk writes at 100MB/s, then it will > > take *at least* 5 seconds to write. > What I meant was that the timestamp will be recorded in the RAM copy = of the db at the exact time when WebDNA interprets the append context, = not later when that data is eventually flushed to disk. > Newly appended records may not yet appear in the disk copy when you = open that file in a text editor, but those new records -- with the = correct append times -- still exist in the RAM copy.=20 > So unless I'm missing something I think I have to stick with my = original claim that flushing to disk has no effect on append times. =20 > Sincerely, > Kenneth Grome > --------------------------------------------------------- This message = is sent to you because you are subscribed to the mailing list . To = unsubscribe, E-mail to: archives: = http://mail.webdna.us/list/talk@webdna.us Bug = Reporting:support@webdna.us christophe.billiottet@webdna.us

DOWNLOAD WEBDNA NOW!

Top Articles:

Talk List

The WebDNA community talk-list is the best place to get some help: several hundred extremely proficient programmers with an excellent knowledge of WebDNA and an excellent spirit will deliver all the tips and tricks you can imagine...

Related Readings:

Keep away (1997) Summary: Webmerchant quitting (1998) Encrypting WebDNA Templates and eligible files (1999) [WebDNA] Major grep/convertchars linux issues when writing to db (2010) japanese characters (1997) Does this still work (2006) MAC versions of WebCatalog 2.1 and WebMerchant 2.1 (1998) [OT] Certs (2002) Extended [ConvertChars] (1997) Heads up, cookies *may* be outlawed in Europe (2001) Date search - yes or no (1997) [dos] command and [math] (1998) Error Lob.db records error message not name (1997) Email/Order to fax? (2003) Announcing general availabilty of WebDNA 4.5 release (2002) Email Formatting and Encryption (1998) [ot] Any One Want A WebDNA Billing Program? (2003) WebDNA CAPTCHA (2008) WebCat2b15MacPlugin - [protect] (1997) Some Questions (1997)