Added documentation for auto_gc_behavior

[zachmu]

No description provided.

[timsehn]

Ship it.

[coffeegoddd]

@zachmu DOLT

comparing_percentages
100.000000 to 100.000000

version	result	total
c3fcd34	ok	5937457

version	total_tests
c3fcd34	5937457

correctness_percentage
100.0

[github-actions]

@coffeegoddd DOLT

test_name	detail	row_cnt	sorted	mysql_time	sql_mult	cli_mult
batching	LOAD DATA	10000	1	0.06	1.33
batching	batch sql	10000	1	0.09	1.33
batching	by line sql	10000	1	0.09	1.33
blob	1 blob	200000	1	0.86	4.03	4.8
blob	2 blobs	200000	1	0.9	4.3	4.66
blob	no blob	200000	1	0.93	2.37	2.74
col type	datetime	200000	1	0.79	2.53	2.84
col type	varchar	200000	1	0.72	3.24	3.67
config width	2 cols	200000	1	0.89	2.2	2.71
config width	32 cols	200000	1	1.9	1.97	2.71
config width	8 cols	200000	1	0.95	2.41	3.01
pk type	float	200000	1	0.88	2.31	2.63
pk type	int	200000	1	0.8	2.51	2.82
pk type	varchar	200000	1	2.93	0.88	0.93
row count	1.6mm	1600000	1	5.62	2.99	2.91
row count	400k	400000	1	1.45	2.86	2.9
row count	800k	800000	1	2.84	2.91	2.93
secondary index	four index	200000	1	3.67	1.35	1.27
secondary index	no secondary	200000	1	0.95	2.31	2.67
secondary index	one index	200000	1	1.12	2.46	2.57
secondary index	two index	200000	1	2	1.78	1.83
sorting	shuffled 1mm	1000000	0	5.13	2.82	2.66
sorting	sorted 1mm	1000000	1	5.05	2.87	2.71

[github-actions]

@coffeegoddd DOLT

name	detail	mean_mult
dolt_blame_basic	system table	1.2
dolt_blame_commit_filter	system table	2.93
dolt_commit_ancestors_commit_filter	system table	0.63
dolt_commits_commit_filter	system table	1.11
dolt_diff_log_join_from_commit	system table	2.69
dolt_diff_log_join_to_commit	system table	2.68
dolt_diff_table_from_commit_filter	system table	1.18
dolt_diff_table_to_commit_filter	system table	1.14
dolt_diffs_commit_filter	system table	1.06
dolt_history_commit_filter	system table	1.33
dolt_log_commit_filter	system table	1

[github-actions]

@coffeegoddd DOLT

name	add_cnt	delete_cnt	update_cnt	latency
adds_only	60000	0	0	1.13
adds_updates_deletes	60000	60000	60000	4.64
deletes_only	0	60000	0	2.48
updates_only	0	0	60000	3.07