diff --git a/hubble/src/store/mod.rs b/hubble/src/store/mod.rs
index c65bf23..ae8699b 100644
--- a/hubble/src/store/mod.rs
+++ b/hubble/src/store/mod.rs
@@ -17,11 +17,11 @@ pub fn records_cf_opts(cache: &Cache) -> Options {
     o.set_bottommost_compression_options(-14, 3, 0, 0, true);
 
     // TODO: probably make this configurable -- parallelizes compactions (more cpu)
-    o.set_max_subcompactions(2);
+    o.set_max_subcompactions(8);
 
     // try to get bigger fewer flushes
     o.set_write_buffer_size(128 * 2_usize.pow(20)); // 64M default -> 128M
-    o.set_max_write_buffer_number(3); // 2 default
+    o.set_max_write_buffer_number(6); // 2 default
     o.set_min_write_buffer_number_to_merge(2); // 2 memtables per flush
 
     let mut block_opts = BlockBasedOptions::default();