a lot of questions

Signed-off-by: Alex Chi <iskyzh@gmail.com>
2024-01-20 23:38:09 +08:00
parent 80797d59e4
commit 5ab4d2aeae
4 changed files with 19 additions and 2 deletions
--- a/mini-lsm-book/src/week1-04-sst.md
+++ b/mini-lsm-book/src/week1-04-sst.md
@@ -13,5 +13,9 @@ In this chapter, you will:

 ## Task 3: Block Cache

+## Test Your Understanding
+
+* An SST is usually large (i.e., 256MB). In this case, the cost of copying/expanding the `Vec` would be significant. Does your implementation allocate enough space for your SST builder in advance? How did you implement it?
+* Looking at the `moka` block cache, why does it return `Arc<Error>` instead of the original `Error`?
+
 {{#include copyright.md}}
-``