Fix minor typos and copy-pastos

pageserver/src/page_cache.rs

@@ -113,7 +113,7 @@ lazy_static! {
     pub static ref PAGECACHES: Mutex<HashMap<u64, Arc<PageCache>>> = Mutex::new(HashMap::new());
 }
 
-pub fn get_pagecahe(conf: PageServerConf, sys_id: u64) -> Arc<PageCache> {
+pub fn get_pagecache(conf: PageServerConf, sys_id: u64) -> Arc<PageCache> {
     let mut pcaches = PAGECACHES.lock().unwrap();
 
     if !pcaches.contains_key(&sys_id) {

pageserver/src/page_service.rs

@@ -462,7 +462,7 @@ impl Connection {
                 })
                 .unwrap();
 
-            // generick ack:
+            // generic ack:
             self.write_message_noflush(&BeMessage::RowDescription)
                 .await?;
             self.write_message_noflush(&BeMessage::DataRow).await?;
@@ -503,7 +503,7 @@ impl Connection {
         self.stream.write_i16(0).await?; /* numAttributes */
         self.stream.flush().await?;
 
-        let pcache = page_cache::get_pagecahe(self.conf.clone(), sysid);
+        let pcache = page_cache::get_pagecache(self.conf.clone(), sysid);
 
         loop {
             let message = self.read_message().await?;

pageserver/src/restore_s3.rs

@@ -119,7 +119,7 @@ async fn restore_chunk(conf: &PageServerConf) -> Result<(), S3Error> {
         panic!("no base backup found");
     }
 
-    let pcache = page_cache::get_pagecahe(conf.clone(), sys_id);
+    let pcache = page_cache::get_pagecache(conf.clone(), sys_id);
     pcache.init_valid_lsn(oldest_lsn);
 
     info!("{} files to restore...", slurp_futures.len());
@@ -305,7 +305,7 @@ async fn slurp_base_file(
     // FIXME: use constants (BLCKSZ)
     let mut blknum: u32 = parsed.segno * (1024 * 1024 * 1024 / 8192);
 
-    let pcache = page_cache::get_pagecahe(conf.clone(), sys_id);
+    let pcache = page_cache::get_pagecache(conf.clone(), sys_id);
 
     while bytes.remaining() >= 8192 {
         let tag = page_cache::BufferTag {

pageserver/src/walreceiver.rs

@@ -71,7 +71,7 @@ async fn walreceiver_main(
     let mut caught_up = false;
 
     let sysid: u64 = identify_system.systemid().parse().unwrap();
-    let pcache = page_cache::get_pagecahe(conf, sysid);
+    let pcache = page_cache::get_pagecache(conf, sysid);
 
     //
     // Start streaming the WAL, from where we left off previously.

pageserver/src/walredo.rs

@@ -52,7 +52,7 @@ pub fn wal_redo_main(conf: PageServerConf, sys_id: u64) {
         .build()
         .unwrap();
 
-    let pcache = page_cache::get_pagecahe(conf.clone(), sys_id);
+    let pcache = page_cache::get_pagecache(conf.clone(), sys_id);
 
     // Loop forever, handling requests as they come.
     let walredo_channel_receiver = &pcache.walredo_receiver;