Partial match searches put too much load on the server, so we'd better not use them.
Literal
Partial-match-search [topic-は] server [target-に] load [subject-が] applied so, stop better [emphasis-ね].
部分一致検索 is 'partial match search' — technical computing vocabulary. サーバーに負荷がかかる means 'puts load on the server.' やめたほうがいいね suggests 'we'd better not' with ね seeking agreement.