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use/enable let_underscore_must_use lint

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Signed-off-by: strawberry <strawberry@puppygock.gay>
This commit is contained in:
strawberry 2024-05-23 01:27:04 -04:00 • committed by June 🍓🦴
parent 71bdcb958a
commit 32161801ed
15 changed files with 91 additions and 74 deletions
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67
src/database/rocksdb/mod.rs
View file

@ -5,6 +5,7 @@ extern crate rust_rocksdb;
use std::{
collections::HashMap,
fmt::Write,
sync::{atomic::AtomicU32, Arc},
};
@ -99,6 +100,7 @@ impl KeyValueDatabaseEngine for Arc<Engine> {
if !self.old_cfs.contains(&name.to_owned()) {
// Create if it didn't exist
debug!("Creating new column family in database: {}", name);
_ = self.rocks.create_cf(name, &self.opts);
}
@ -141,22 +143,19 @@ impl KeyValueDatabaseEngine for Arc<Engine> {
fn memory_usage(&self) -> Result<String> {
let mut res = String::new();
let stats = get_memory_usage_stats(Some(&[&self.rocks]), Some(&[&self.row_cache]))?;
_ = std::fmt::write(
&mut res,
format_args!(
"Memory buffers: {:.2} MiB\nPending write: {:.2} MiB\nTable readers: {:.2} MiB\nRow cache: {:.2} MiB\n",
stats.mem_table_total as f64 / 1024.0 / 1024.0,
stats.mem_table_unflushed as f64 / 1024.0 / 1024.0,
stats.mem_table_readers_total as f64 / 1024.0 / 1024.0,
self.row_cache.get_usage() as f64 / 1024.0 / 1024.0,
),
);
writeln!(
res,
"Memory buffers: {:.2} MiB\nPending write: {:.2} MiB\nTable readers: {:.2} MiB\nRow cache: {:.2} MiB",
stats.mem_table_total as f64 / 1024.0 / 1024.0,
stats.mem_table_unflushed as f64 / 1024.0 / 1024.0,
stats.mem_table_readers_total as f64 / 1024.0 / 1024.0,
self.row_cache.get_usage() as f64 / 1024.0 / 1024.0,
)
.expect("should be able to write to string buffer");
for (name, cache) in &self.col_cache {
_ = std::fmt::write(
&mut res,
format_args!("{} cache: {:.2} MiB\n", name, cache.get_usage() as f64 / 1024.0 / 1024.0,),
);
writeln!(res, "{} cache: {:.2} MiB", name, cache.get_usage() as f64 / 1024.0 / 1024.0,)
.expect("should be able to write to string buffer");
}
Ok(res)
@ -217,19 +216,17 @@ impl KeyValueDatabaseEngine for Arc<Engine> {
let options = BackupEngineOptions::new(path.unwrap())?;
let engine = BackupEngine::open(&options, &self.env)?;
for info in engine.get_backup_info() {
std::fmt::write(
&mut res,
format_args!(
"#{} {}: {} bytes, {} files\n",
info.backup_id,
DateTime::<Utc>::from_timestamp(info.timestamp, 0)
.unwrap_or_default()
.to_rfc2822(),
info.size,
info.num_files,
),
writeln!(
res,
"#{} {}: {} bytes, {} files",
info.backup_id,
DateTime::<Utc>::from_timestamp(info.timestamp, 0)
.unwrap_or_default()
.to_rfc2822(),
info.size,
info.num_files,
)
.unwrap();
.expect("should be able to write to string buffer");
}
Ok(res)
@ -241,18 +238,12 @@ impl KeyValueDatabaseEngine for Arc<Engine> {
Ok(files) => {
let mut res = String::new();
for file in files {
let _ = std::fmt::write(
&mut res,
format_args!(
"<code>L{} {:<13} {:7}+ {:4}- {:9}</code> {}<br>",
file.level,
file.name,
file.num_entries,
file.num_deletions,
file.size,
file.column_family_name,
),
);
writeln!(
res,
"<code>L{} {:<13} {:7}+ {:4}- {:9}</code> {}<br>",
file.level, file.name, file.num_entries, file.num_deletions, file.size, file.column_family_name,
)
.expect("should be able to writeln to string buffer");
}
Ok(res)
},