diff options
Diffstat (limited to 'www/wal.html')
| -rw-r--r-- | www/wal.html | 14 |
1 files changed, 5 insertions, 9 deletions
diff --git a/www/wal.html b/www/wal.html index 2e32dba..ed46f5c 100644 --- a/www/wal.html +++ b/www/wal.html @@ -187,14 +187,10 @@ a rollback journal. Advantages include:</p> <p>But there are also disadvantages:</p> <ol> -<li>WAL normally requires that the <a href="vfs.html">VFS</a> - support shared-memory primitives. - (Exception: <a href="wal.html#noshm">WAL without shared memory</a>) - The built-in unix and windows VFSes - support this but third-party extension VFSes for custom operating - systems might not. -</li><li>All processes using a database must be on the same host computer; - WAL does not work over a network filesystem. +<li>All processes using a database must be on the same host computer; + WAL does not work over a network filesystem. This is because WAL requires + all processes to share a small amount of memory and processes on + separate host machines obviously cannot share memory with each other. </li><li>Transactions that involve changes against multiple <a href="lang_attach.html">ATTACHed</a> databases are atomic for each individual database, but are not atomic across all databases as a set. @@ -750,5 +746,5 @@ PRAGMA journal_mode=DELETE; <p>Deliberately changing out of WAL mode changes the database file format version numbers back to 1 so that older versions of SQLite can once again access the database file.</p> -<p align="center"><small><i>This page last modified on <a href="https://sqlite.org/docsrc/honeypot" id="mtimelink" data-href="https://sqlite.org/docsrc/finfo/pages/wal.in?m=d53a5bd13a">2024-02-13 18:06:21</a> UTC </small></i></p> +<p align="center"><small><i>This page last modified on <a href="https://sqlite.org/docsrc/honeypot" id="mtimelink" data-href="https://sqlite.org/docsrc/finfo/pages/wal.in?m=9082744b12">2024-07-14 23:07:20</a> UTC </small></i></p> |