How to parse a large file in an application?

Question

Android

Kind
It is necessary to parse the 18mb json file on the phone itself. There are about ~ 200k records there, but when working, only ~ 11k records can be written to the database,
a lot of this writes

09-14 09:04:14.162 12195-12216/com.example.weather I/art: Alloc sticky concurrent mark sweep GC freed 0(0B) AllocSpace objects, 0(0B) LOS objects, 0% free, 212MB/214MB, paused 676us total 7.283ms
09-14 09:04:14.162 12195-12214/
com.example.weather weather I/art: Alloc sticky concurrent mark sweep GC freed 0(0B) AllocSpace objects, 0(0B) LOS objects, 0% free, 213MB/214MB, paused 986us total 6.369ms
09-14 09:04:15.103 12195-12208 /com.example.weather I/art: Background partial concurrent mark sweep GC freed 2078253(89MB) AllocSpace objects, 0(0B) LOS objects, 1% free, 213MB/217MB, paused 1.621ms total 932.769ms
09-14 09:04:15.103 12195-12216/com.example.weather I/art: WaitForGcToComplete blocked for 289.823ms for cause Alloc