optimizing badger cache, won a 10-15% improvement in most benchmarks

cmd/benchmark/Dockerfile.khatru-sqlite

@@ -15,8 +15,9 @@ RUN apk --no-cache add ca-certificates sqlite wget
 WORKDIR /app
 COPY --from=builder /build/examples/basic-sqlite3/khatru-sqlite /app/
 RUN mkdir -p /data
-EXPOSE 3334
+EXPOSE 8080
 ENV DATABASE_PATH=/data/khatru.db
+ENV PORT=8080
 HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
-  CMD wget --quiet --tries=1 --spider http://localhost:3334 || exit 1
+  CMD wget --quiet --tries=1 --spider http://localhost:8080 || exit 1
 CMD ["/app/khatru-sqlite"]