[pbs-devel] [PATCH v4 proxmox-backup 47/58] client: backup writer: add injected chunk count to stats

[Christian Ebner <c.ebner@proxmox.com>]

Track the number of injected chunks and show them in the debug output

Signed-off-by: Christian Ebner <c.ebner@proxmox.com>
---
 pbs-client/src/backup_writer.rs | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/pbs-client/src/backup_writer.rs b/pbs-client/src/backup_writer.rs
index 66f209fed..3d1b60d59 100644
--- a/pbs-client/src/backup_writer.rs
+++ b/pbs-client/src/backup_writer.rs
@@ -57,6 +57,7 @@ pub struct UploadOptions {
 struct UploadStats {
     chunk_count: usize,
     chunk_reused: usize,
+    chunk_injected: usize,
     size: usize,
     size_reused: usize,
     size_compressed: usize,
@@ -400,6 +401,10 @@ impl BackupWriter {
                 archive,
                 (upload_stats.duration.as_micros()) / (upload_stats.chunk_count as u128)
             );
+            log::debug!(
+                "{archive}: Injected {} chunks from previous snapshot.",
+                upload_stats.chunk_injected,
+            );
         }
 
         let param = json!({
@@ -645,6 +650,8 @@ impl BackupWriter {
         let total_chunks2 = total_chunks.clone();
         let known_chunk_count = Arc::new(AtomicUsize::new(0));
         let known_chunk_count2 = known_chunk_count.clone();
+        let injected_chunk_count = Arc::new(AtomicUsize::new(0));
+        let injected_chunk_count2 = known_chunk_count.clone();
 
         let stream_len = Arc::new(AtomicUsize::new(0));
         let stream_len1 = stream_len.clone();
@@ -675,6 +682,7 @@ impl BackupWriter {
                     // account for injected chunks
                     let count = chunks.len();
                     total_chunks.fetch_add(count, Ordering::SeqCst);
+                    injected_chunk_count.fetch_add(count, Ordering::SeqCst);
 
                     let mut known = Vec::new();
                     let mut csum = index_csum_1.lock().unwrap();
@@ -800,6 +808,7 @@ impl BackupWriter {
                 let duration = start_time.elapsed();
                 let chunk_count = total_chunks2.load(Ordering::SeqCst);
                 let chunk_reused = known_chunk_count2.load(Ordering::SeqCst);
+                let chunk_injected = injected_chunk_count2.load(Ordering::SeqCst);
                 let size = stream_len2.load(Ordering::SeqCst);
                 let size_reused = reused_len2.load(Ordering::SeqCst);
                 let size_compressed = compressed_stream_len2.load(Ordering::SeqCst) as usize;
@@ -813,6 +822,7 @@ impl BackupWriter {
                 futures::future::ok(UploadStats {
                     chunk_count,
                     chunk_reused,
+                    chunk_injected,
                     size,
                     size_reused,
                     size_compressed,
-- 
2.39.2



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