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_downloads/91c3348d532ed46bb5587ad97e9cb6e9/analyze_pages.txt
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| This is the result of running apsw.ext.analyze_pages on a Firefox | ||
| favicons.sqlite database with the different scopes. | ||
|
|
||
| Scope 0 - database as a whole | ||
| ============================= | ||
|
|
||
| DatabasePageUsage(page_size=32768, | ||
| pages_used=521, | ||
| data_stored=14137638, | ||
| cells=411515, | ||
| max_payload=60438, | ||
| sequential_pages=63, | ||
| tables=['sqlite_schema', | ||
| 'moz_icons', | ||
| 'moz_pages_w_icons', | ||
| 'moz_icons_to_pages', | ||
| 'sqlite_stat1'], | ||
| indices=['moz_icons_iconurlhashindex', | ||
| 'moz_pages_w_icons_urlhashindex'], | ||
| pages_total=522, | ||
| pages_freelist=0, | ||
| max_page_count=4294967294) | ||
|
|
||
| Scope 1 - group by table | ||
| ======================== | ||
|
|
||
| Note how indexes are included with their table, and the SQLite tables are grouped. | ||
|
|
||
| {'moz_icons': PageUsage(page_size=32768, | ||
| pages_used=73, | ||
| data_stored=1915263, | ||
| cells=791, | ||
| max_payload=60438, | ||
| sequential_pages=10, | ||
| tables=['moz_icons'], | ||
| indices=['moz_icons_iconurlhashindex']), | ||
| 'moz_icons_to_pages': PageUsage(page_size=32768, | ||
| pages_used=124, | ||
| data_stored=2891610, | ||
| cells=205006, | ||
| max_payload=15, | ||
| sequential_pages=6, | ||
| tables=['moz_icons_to_pages'], | ||
| indices=[]), | ||
| 'moz_pages_w_icons': PageUsage(page_size=32768, | ||
| pages_used=322, | ||
| data_stored=9329457, | ||
| cells=205709, | ||
| max_payload=424, | ||
| sequential_pages=45, | ||
| tables=['moz_pages_w_icons'], | ||
| indices=['moz_pages_w_icons_urlhashindex']), | ||
| 'sqlite': PageUsage(page_size=32768, | ||
| pages_used=2, | ||
| data_stored=1308, | ||
| cells=9, | ||
| max_payload=352, | ||
| sequential_pages=2, | ||
| tables=['sqlite_schema', 'sqlite_stat1'], | ||
| indices=[])} | ||
|
|
||
| Scope 2 - each table and index separately | ||
| ========================================= | ||
|
|
||
| {'moz_icons': PageUsage(page_size=32768, | ||
| pages_used=72, | ||
| data_stored=1911641, | ||
| cells=427, | ||
| max_payload=60438, | ||
| sequential_pages=9, | ||
| tables=['moz_icons'], | ||
| indices=[]), | ||
| 'moz_icons_iconurlhashindex': PageUsage(page_size=32768, | ||
| pages_used=1, | ||
| data_stored=3622, | ||
| cells=364, | ||
| max_payload=11, | ||
| sequential_pages=1, | ||
| tables=[], | ||
| indices=['moz_icons_iconurlhashindex']), | ||
| 'moz_icons_to_pages': PageUsage(page_size=32768, | ||
| pages_used=124, | ||
| data_stored=2891610, | ||
| cells=205006, | ||
| max_payload=15, | ||
| sequential_pages=6, | ||
| tables=['moz_icons_to_pages'], | ||
| indices=[]), | ||
| 'moz_pages_w_icons': PageUsage(page_size=32768, | ||
| pages_used=269, | ||
| data_stored=8096882, | ||
| cells=102988, | ||
| max_payload=424, | ||
| sequential_pages=43, | ||
| tables=['moz_pages_w_icons'], | ||
| indices=[]), | ||
| 'moz_pages_w_icons_urlhashindex': PageUsage(page_size=32768, | ||
| pages_used=53, | ||
| data_stored=1232575, | ||
| cells=102721, | ||
| max_payload=12, | ||
| sequential_pages=2, | ||
| tables=[], | ||
| indices=['moz_pages_w_icons_urlhashindex']), | ||
| 'sqlite_schema': PageUsage(page_size=32768, | ||
| pages_used=1, | ||
| data_stored=1156, | ||
| cells=6, | ||
| max_payload=352, | ||
| sequential_pages=1, | ||
| tables=['sqlite_schema'], | ||
| indices=[]), | ||
| 'sqlite_stat1': PageUsage(page_size=32768, | ||
| pages_used=1, | ||
| data_stored=152, | ||
| cells=3, | ||
| max_payload=58, | ||
| sequential_pages=1, | ||
| tables=['sqlite_stat1'], | ||
| indices=[])} |