Load next page (both)
New post arrives
Reset
LIMIT / OFFSET
Rows read so far:
0
· Repeats:
0
Keyset (WHERE id < last)
Rows read so far:
0
· Repeats:
0
A feed of 40 posts, 5 per page. "Rows read" counts how many rows the database must touch: OFFSET reads the skipped rows plus the page; keyset jumps to its bookmark and reads just the page.