| Bug #56153 | DELETE + JOIN is extremely slow if one table has >2 GB of binary data | ||
|---|---|---|---|
| Submitted: | 20 Aug 2010 17:34 | Modified: | 23 Oct 2010 9:56 |
| Reporter: | Craig Holmquist | Email Updates: | |
| Status: | No Feedback | Impact on me: | |
| Category: | MySQL Server | Severity: | S5 (Performance) |
| Version: | 5.0.87 | OS: | Windows (XP SP3 32-bit) |
| Assigned to: | CPU Architecture: | Any | |
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
[20 Aug 2010 17:35]
Craig Holmquist
[24 Aug 2010 13:22]
Craig Holmquist
INI file
Attachment: my.ini (application/octet-stream, text), 206 bytes.
[24 Aug 2010 13:23]
Craig Holmquist
EXPLAIN results for SELECT in script
Attachment: select-explain.csv (application/vnd.ms-excel, text), 270 bytes.
[25 Aug 2010 12:50]
Craig Holmquist
EXPLAIN results for SELECT with t2.*
Attachment: select-explain-t2all.csv (application/vnd.ms-excel, text), 249 bytes.
