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fix: drop mmap handles before modifying during handle_consistency (#10708)

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joshieDo
2024-09-11 15:28:09 +01:00
committed by GitHub
parent 6ed0ca5533
commit 1c53518bc4
1 changed files with 12 additions and 2 deletions
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14
crates/storage/nippy-jar/src/consistency.rs
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@ -46,7 +46,7 @@ impl<H: NippyJarHeader> NippyJarChecker<H> {
fn handle_consistency(&mut self, mode: ConsistencyFailStrategy) -> Result<(), NippyJarError> {
self.load_files(mode)?;
let reader = self.jar.open_data_reader()?;
let mut reader = self.jar.open_data_reader()?;
// When an offset size is smaller than the initial (8), we are dealing with immutable
// data.
@ -71,7 +71,12 @@ impl<H: NippyJarHeader> NippyJarChecker<H> {
// Happened during an appending job
// TODO: ideally we could truncate until the last offset of the last column of the
// last row inserted
// Windows has locked the file with the mmap handle, so we need to drop it
drop(reader);
self.offsets_file().get_mut().set_len(expected_offsets_file_size)?;
reader = self.jar.open_data_reader()?;
}
Ordering::Greater => {
// Happened during a pruning job
@ -99,6 +104,9 @@ impl<H: NippyJarHeader> NippyJarChecker<H> {
// Offset list wasn't properly committed
match last_offset.cmp(&data_file_len) {
Ordering::Less => {
// Windows has locked the file with the mmap handle, so we need to drop it
drop(reader);
// Happened during an appending job, so we need to truncate the data, since there's
// no way to recover it.
self.data_file().get_mut().set_len(last_offset)?;
@ -116,10 +124,12 @@ impl<H: NippyJarHeader> NippyJarChecker<H> {
.metadata()?
.len()
.saturating_sub(OFFSET_SIZE_BYTES as u64 * (index as u64 + 1));
self.offsets_file().get_mut().set_len(new_len)?;
// Windows has locked the file with the mmap handle, so we need to drop it
drop(reader);
self.offsets_file().get_mut().set_len(new_len)?;
// Since we decrease the offset list, we need to check the consistency of
// `self.jar.rows` again
self.handle_consistency(ConsistencyFailStrategy::Heal)?;