From facd220c59521b51e2f6ead7ad8dd205fc1b31e0 Mon Sep 17 00:00:00 2001 From: Francesco Cozzuto Date: Thu, 13 Nov 2025 12:18:34 +0100 Subject: [PATCH] Fix corner case in DESIGN.txt --- DESIGN.txt | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/DESIGN.txt b/DESIGN.txt index f45a8dd..ef16de9 100644 --- a/DESIGN.txt +++ b/DESIGN.txt @@ -145,6 +145,7 @@ Chunk Management: Chunk server variables: cs_add_list: List of chunks added since the last update cs_rem_list: List of chunks marked for removal after a timeout + cs_lst_list: List of chunks that were lost due to errors or forceful removals of chunk files Metadata change for write: When clients commit a write by adding new hashes to the metadata, @@ -172,7 +173,9 @@ Chunk Management: (2) Adds elements in cs_add_list that are not in ms_add_list to cs_rem_list (3) Removes elements that are in ms_add_list and in cs_rem_list from cs_rem_list (4) Elements in ms_add_list that are not held by the chunk server are added to - a temporary list tmp_list are sent to the metadata server + a temporary list tmp_list + (5) Elements in cs_lst_list are added to tmp_list + (6) tmp_list is sent to MS MS (1) Receives tmp_list and sends download locations to CS for those chunks (2) Moves elements from ms_add_list that are not in tmp_list into ms_old_list (3) Sets ms_add_list equal to tmp_list