double chunk size

src/lib/streamCache.svelte.ts

@@ -8,14 +8,14 @@ const PARTIALS_KEY = 'partialStreams';
 const PARTS_DIR = 'parts';
 
 // MAX_ATTEMPTS is consecutive attempts that acquired zero chunks, so the exponential
-// backoff below tolerates roughly 8 minutes of outage before giving up
+// backoff below tolerates roughly 16 minutes of outage before giving up
 const MAX_ATTEMPTS = 8;
 
-const CHUNK_SIZE = 4 * 1024 * 1024;
+const CHUNK_SIZE = 8 * 1024 * 1024;
 
-// 60s as the limit for downloading one chunk is a reasonable guess
+// 120s as the limit for downloading one chunk is a reasonable guess
 // as the intent is to catch socket breakage during cellular network changes for example
-const CHUNK_TIMEOUT = 60_000;
+const CHUNK_TIMEOUT = 120_000;
 
 export const cached = new SvelteSet<string>(readStored<string[]>(STORAGE_KEY, []));
 export const downloading = new SvelteMap<string, number>();