global: adding semester + making coarser intervals computed instead of eager

crates/brk_vec/src/traits/any.rs

@@ -1,4 +1,4 @@
-use brk_core::Version;
+use brk_core::{Height, Version};
 
 use super::{BoxedVecIterator, StoredIndex, StoredType};
 
@@ -20,10 +20,10 @@ pub trait AnyVec: Send + Sync {
     }
     fn index_type_to_string(&self) -> &'static str;
     fn value_type_to_size_of(&self) -> usize;
-    fn etag(&self, to: Option<i64>) -> String {
+    fn etag(&self, height: Height, to: Option<i64>) -> String {
         let len = self.len();
         format!(
-            "{}-{:?}",
+            "{}-{}-{}",
             to.map_or(len, |to| {
                 if to.is_negative() {
                     len.checked_sub(to.unsigned_abs() as usize)
@@ -32,7 +32,8 @@ pub trait AnyVec: Send + Sync {
                     to as usize
                 }
             }),
-            self.version()
+            u64::from(self.version()),
+            u32::from(height),
         )
     }
 

crates/brk_vec/src/traits/generic.rs

@@ -122,13 +122,14 @@ where
 
     fn file_write_all(&mut self, file: &mut File, buf: &[u8]) -> Result<()> {
         file.write_all(buf)?;
+        // file.flush()?;
+        // file.sync_data()?;
         self.update_mmap(file)
     }
 
     fn file_truncate_and_write_all(&mut self, file: &mut File, len: u64, buf: &[u8]) -> Result<()> {
         Self::file_set_len_(file, len)?;
-        file.write_all(buf)?;
-        self.update_mmap(file)
+        self.file_write_all(file, buf)
     }
 
     fn reset(&mut self) -> Result<()>;