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-rw-r--r--src/table/data.rs8
-rw-r--r--src/table/metrics.rs38
2 files changed, 44 insertions, 2 deletions
diff --git a/src/table/data.rs b/src/table/data.rs
index 3212e82b..93da2110 100644
--- a/src/table/data.rs
+++ b/src/table/data.rs
@@ -58,7 +58,13 @@ where
.expect("Unable to open DB tree");
let gc_todo = CountedTree::new(gc_todo).expect("Cannot count gc_todo_v2");
- let metrics = TableMetrics::new(F::TABLE_NAME, merkle_todo.clone(), gc_todo.clone());
+ let metrics = TableMetrics::new(
+ F::TABLE_NAME,
+ store.clone(),
+ merkle_tree.clone(),
+ merkle_todo.clone(),
+ gc_todo.clone(),
+ );
Arc::new(Self {
system,
diff --git a/src/table/metrics.rs b/src/table/metrics.rs
index 3a1783e0..8318a84f 100644
--- a/src/table/metrics.rs
+++ b/src/table/metrics.rs
@@ -5,6 +5,8 @@ use garage_db::counted_tree_hack::CountedTree;
/// TableMetrics reference all counter used for metrics
pub struct TableMetrics {
+ pub(crate) _table_size: ValueObserver<u64>,
+ pub(crate) _merkle_tree_size: ValueObserver<u64>,
pub(crate) _merkle_todo_len: ValueObserver<u64>,
pub(crate) _gc_todo_len: ValueObserver<u64>,
@@ -20,9 +22,43 @@ pub struct TableMetrics {
pub(crate) sync_items_received: Counter<u64>,
}
impl TableMetrics {
- pub fn new(table_name: &'static str, merkle_todo: db::Tree, gc_todo: CountedTree) -> Self {
+ pub fn new(
+ table_name: &'static str,
+ store: db::Tree,
+ merkle_tree: db::Tree,
+ merkle_todo: db::Tree,
+ gc_todo: CountedTree,
+ ) -> Self {
let meter = global::meter(table_name);
TableMetrics {
+ _table_size: meter
+ .u64_value_observer(
+ "table.size",
+ move |observer| {
+ if let Ok(Some(v)) = store.fast_len() {
+ observer.observe(
+ v as u64,
+ &[KeyValue::new("table_name", table_name)],
+ );
+ }
+ },
+ )
+ .with_description("Number of items in table")
+ .init(),
+ _merkle_tree_size: meter
+ .u64_value_observer(
+ "table.merkle_tree_size",
+ move |observer| {
+ if let Ok(Some(v)) = merkle_tree.fast_len() {
+ observer.observe(
+ v as u64,
+ &[KeyValue::new("table_name", table_name)],
+ );
+ }
+ },
+ )
+ .with_description("Number of nodes in table's Merkle tree")
+ .init(),
_merkle_todo_len: meter
.u64_value_observer(
"table.merkle_updater_todo_queue_length",