[Geoserver-devel] geoserver doesn't render features at certain zooms

hi,
im using geoserver 2.11.0, with elasticsearch as datasource.
i also use leaflet vector tiles plugin to request the tiles.

i have noticed that when use leaflet map controller, in certain zooms the
geoserver doesn't return all geometries (in deeper zoom it shows more
geometries).
i checked with wireshark the result the geoserver recieves from
elasticsearch, and it recieves the same geometries in both zoom levels.
i wondered if there is some configuration that determine whether the
geoserver "ignore" geometries in low zoom to simplify the response ?

any ideas how to solve my problem ?

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