| Bug #26504 | Adding indexes to a large existing table takes several hours | ||
|---|---|---|---|
| Submitted: | 20 Feb 2007 17:08 | Modified: | 25 Apr 2007 13:38 |
| Reporter: | Eric Greveson | Email Updates: | |
| Status: | Duplicate | Impact on me: | |
| Category: | MySQL Server: MyISAM storage engine | Severity: | S5 (Performance) |
| Version: | 5.0.27-community | OS: | Windows (Windows Server 2003 SP2) |
| Assigned to: | Assigned Account | CPU Architecture: | Any |
| Tags: | alter, create, INDEX, myisam, performance, slow, table | ||
If the data you need to attach is more than 50MB, you should create a compressed archive of the data, split it to 50MB chunks, and upload each of them as a separate attachment.
To split a large file:
- On *nix platforms use the split command e.g.
split -b 50MB <my_large_archive> <my_split_archive_prefix> - On windows use WinZip or a similar utility to split the large file
