revisionstore: make indexedlog parameters configurable

Summary:
Configs like `auto_sync_threshold`, `max_bytes_per_log`, `max_log_count` are
unfortunately hardcoded somehow. Make them configurable.

Reviewed By: MichaelCuevas

Differential Revision: D75901673

fbshipit-source-id: 989a6d7aac9516be0e174091b7e8de1e39ffd33a

Author: quark-zju

eden/scm/lib/revisionstore/src/indexedlogauxstore.rs

@@ -165,6 +165,7 @@ impl AuxStore {
             .max_log_count(4)
             .max_bytes_per_log(250 * 1000 * 1000 / 4)
             .auto_sync_threshold(10 * 1024 * 1024)
+            .load_specific_config(config, "aux")
             .create(true)
             .index("node", |_| {
                 vec![IndexOutput::Reference(0..HgId::len() as u64)]

eden/scm/lib/revisionstore/src/indexedlogdatastore.rs

@@ -225,6 +225,7 @@ impl IndexedLogHgIdDataStore {
             .max_log_count(4)
             .max_bytes_per_log(2500 * 1000 * 1000)
             .auto_sync_threshold(50 * 1024 * 1024)
+            .load_specific_config(config, "hgdata")
             .create(true)
             .index("node", |_| {
                 vec![IndexOutput::Reference(0..HgId::len() as u64)]

eden/scm/lib/revisionstore/src/indexedloghistorystore.rs

@@ -208,6 +208,7 @@ impl IndexedLogHgIdHistoryStore {
             .max_log_count(4)
             .max_bytes_per_log(500 * 1000 * 1000)
             .auto_sync_threshold(10 * 1024 * 1024)
+            .load_specific_config(config, "history")
             .create(true)
             .index("node_and_path", |_| {
                 vec![IndexOutput::Reference(0..(HgId::len() * 2) as u64)]

eden/scm/lib/revisionstore/src/indexedlogtreeauxstore.rs

@@ -92,6 +92,7 @@ impl TreeAuxStore {
             .max_log_count(4)
             .max_bytes_per_log(150_000_000)
             .auto_sync_threshold(1_000_000)
+            .load_specific_config(config, "treeaux")
             .create(true)
             .index("node", |_| {
                 vec![IndexOutput::Reference(0..HgId::len() as u64)]

eden/scm/lib/revisionstore/src/indexedlogutil.rs

@@ -14,6 +14,7 @@ use std::sync::atomic::AtomicU64;
 use anyhow::Result;
 use configmodel::Config;
 use configmodel::ConfigExt;
+use configmodel::convert::ByteCount;
 use indexedlog::OpenWithRepair;
 use indexedlog::Result as IndexedlogResult;
 use indexedlog::log;
@@ -234,6 +235,25 @@ impl StoreOpenOptions {
         }
     }
 
+    /// Load specific configs `indexedlog.{prefix}-...`.
+    pub(crate) fn load_specific_config(mut self, config: &dyn Config, prefix: &str) -> Self {
+        if let Ok(Some(v)) =
+            config.get_opt::<ByteCount>("indexedlog", &format!("{prefix}.auto-sync-threshold"))
+        {
+            self.auto_sync_threshold = Some(v.value());
+        }
+        if let Ok(Some(v)) =
+            config.get_opt::<ByteCount>("indexedlog", &format!("{prefix}.max-bytes-per-log"))
+        {
+            self.max_bytes_per_log = Some(v.value());
+        }
+        if let Ok(Some(v)) = config.get_opt::<u8>("indexedlog", &format!("{prefix}.max-log-count"))
+        {
+            self.max_log_count = Some(v)
+        }
+        self
+    }
+
     /// When the store is rotated, control how many logs will be kept in the `RotateLog`.
     pub fn max_log_count(mut self, count: u8) -> Self {
         self.max_log_count = Some(count);

eden/scm/lib/revisionstore/src/lfs.rs

@@ -332,6 +332,7 @@ impl LfsIndexedLogBlobsStore {
             .max_log_count(4)
             .max_bytes_per_log(20_000_000_000 / 4)
             .auto_sync_threshold(50 * 1024 * 1024)
+            .load_specific_config(config, "lfs")
             .index("sha256", |_| {
                 vec![IndexOutput::Reference(0..Sha256::len() as u64)]
             })