diff --git a/sstables/sstables.cc b/sstables/sstables.cc
index f18e9c54f8..15ccb288a6 100644
--- a/sstables/sstables.cc
+++ b/sstables/sstables.cc
@@ -1298,6 +1298,41 @@ future<> sstable::write_components(const memtable& mt) {
 }
 
 void sstable::do_write_components(const memtable& mt) {
+    bool checksum_file = true;
+    // FIXME: CRC component must only be present when compression isn't enabled.
+    if (checksum_file) {
+        _components.insert(component_type::CRC);
+    }
+
+    // TODO: Add compression support by having a specialized output stream.
+    auto w = make_shared<checksummed_file_writer>(_data_file, 4096, checksum_file);
+    auto index = make_shared<file_writer>(_index_file, 4096);
+
+    prepare_summary(_summary, mt);
+    auto filter_fp_chance = mt.schema()->bloom_filter_fp_chance();
+    if (filter_fp_chance != 1.0) {
+        _components.insert(component_type::Filter);
+    }
+    _filter = utils::i_filter::get_filter(mt.all_partitions().size(), filter_fp_chance);
+
+    prepare_statistics(_statistics);
+
+    // NOTE: Cassandra gets partition name by calling getClass().getCanonicalName() on
+    // partition class.
+    add_validation_metadata(_statistics, dht::global_partitioner().name(), filter_fp_chance);
+    auto collector = make_lw_shared<metadata_collector>();
+
+    // Iterate through CQL partitions, then CQL rows, then CQL columns.
+    // Each mt.all_partitions() entry is a set of clustered rows sharing the same partition key.
+    for (auto& partition_entry: mt.all_partitions()) {
+        // FIXME: it's likely that we need to set both sstable_level and repaired_at at this point.
+        // Set current index of data to later compute row size.
+        _c_stats.start_offset = w->offset();
+        auto partition_key = key::from_partition_key(*mt.schema(), partition_entry.first._key);
+        // Maybe add summary entry into in-memory representation of summary file.
+        maybe_add_summary_entry(_summary, bytes_view(partition_key), index->offset());
+        _filter->add(bytes_view(partition_key));
+    }
 }
 
 future<> sstable::write_components_t(const memtable& mt) {