diff --git a/quickwit/quickwit-cli/src/logger.rs b/quickwit/quickwit-cli/src/logger.rs
index 71937f0eac7..27c0e3bb2ca 100644
--- a/quickwit/quickwit-cli/src/logger.rs
+++ b/quickwit/quickwit-cli/src/logger.rs
@@ -49,7 +49,7 @@ pub fn setup_logging_and_tracing(
     }
     let env_filter = env::var("RUST_LOG")
         .map(|_| EnvFilter::from_default_env())
-        .or_else(|_| EnvFilter::try_new(format!("quickwit={level}")))
+        .or_else(|_| EnvFilter::try_new(format!("quickwit={level},tantivy=WARN")))
         .context("Failed to set up tracing env filter.")?;
     global::set_text_map_propagator(TraceContextPropagator::new());
     let registry = tracing_subscriber::registry().with(env_filter);
diff --git a/quickwit/quickwit-indexing/src/actors/indexer.rs b/quickwit/quickwit-indexing/src/actors/indexer.rs
index 308ac1613d4..2c121a29eac 100644
--- a/quickwit/quickwit-indexing/src/actors/indexer.rs
+++ b/quickwit/quickwit-indexing/src/actors/indexer.rs
@@ -53,7 +53,7 @@ use tantivy::tokenizer::TokenizerManager;
 use tantivy::{DateTime, IndexBuilder, IndexSettings};
 use tokio::runtime::Handle;
 use tokio::sync::{OwnedSemaphorePermit, Semaphore};
-use tracing::{info, info_span, warn, Span};
+use tracing::{info, info_span, warn, Span, debug_span};
 use ulid::Ulid;
 
 use crate::actors::IndexSerializer;
@@ -183,13 +183,13 @@ impl IndexerState {
         ctx: &ActorContext<Indexer>,
     ) -> anyhow::Result<IndexingWorkbench> {
         let workbench_id = Ulid::new();
-        let batch_parent_span = info_span!(target: "quickwit-indexing", "index-doc-batches",
+        let batch_parent_span = debug_span!(target: "quickwit-indexing", "index-doc-batches",
             index_id=%self.pipeline_id.index_uid.index_id(),
             source_id=%self.pipeline_id.source_id,
             pipeline_uid=%self.pipeline_id.pipeline_uid,
             workbench_id=%workbench_id,
         );
-        let indexing_span = info_span!(parent: batch_parent_span.id(), "indexer");
+        let indexing_span = debug_span!(parent: batch_parent_span.id(), "indexer");
         let indexing_permit =
             if let Some(cooperative_indexing_permits) = &self.cooperative_indexing_permits {
                 let indexing_permit: OwnedSemaphorePermit = ctx
diff --git a/quickwit/quickwit-indexing/src/source/ingest/mod.rs b/quickwit/quickwit-indexing/src/source/ingest/mod.rs
index 95de09c2abf..99e0fd1fac3 100644
--- a/quickwit/quickwit-indexing/src/source/ingest/mod.rs
+++ b/quickwit/quickwit-indexing/src/source/ingest/mod.rs
@@ -438,7 +438,7 @@ impl IngestSource {
             return Ok(());
         }
 
-        warn!("resetting pipeline");
+        warn!(index_uid=self.client_id.source_uid.index_uid, pipeline_uid=self.client_id.pipeline_uid, "resetting pipeline");
         self.assigned_shards.clear();
         self.fetch_stream.reset();
         self.publish_lock.kill().await;
diff --git a/quickwit/quickwit-ingest/src/ingest_v2/ingester.rs b/quickwit/quickwit-ingest/src/ingest_v2/ingester.rs
index b9342050706..a56a9275284 100644
--- a/quickwit/quickwit-ingest/src/ingest_v2/ingester.rs
+++ b/quickwit/quickwit-ingest/src/ingest_v2/ingester.rs
@@ -266,7 +266,7 @@ impl Ingester {
         shard: Shard,
     ) -> IngestV2Result<()> {
         let queue_id = shard.queue_id();
-
+        info!(index_uid=shard.index_uid, source=shard.source_id, shard=shard.shard_id, "init primary shard");
         let Entry::Vacant(entry) = state.shards.entry(queue_id.clone()) else {
             return Ok(());
         };