stocon: bump number of concurrent reconciles per operation (#8179)

## Problem Background node operations take a long time for loaded nodes. ## Summary of changes Increase number of concurrent reconciles an operation is allowed to spawn. This should make drain and fill operations faster and the new value is still well below the total limit of concurrent reconciles.
neondatabase · Jun 27, 2024 · 89cf8df · 89cf8df · github-actions · Jun 27, 2024
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commit 89cf8df
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diff --git a/storage_controller/src/background_node_operations.rs b/storage_controller/src/background_node_operations.rs
@@ -3,7 +3,7 @@ use std::{borrow::Cow, fmt::Debug, fmt::Display};
 use tokio_util::sync::CancellationToken;
 use utils::id::NodeId;
 
-pub(crate) const MAX_RECONCILES_PER_OPERATION: usize = 10;
+pub(crate) const MAX_RECONCILES_PER_OPERATION: usize = 32;
 
 #[derive(Copy, Clone)]
 pub(crate) struct Drain {

diff --git a/test_runner/regress/test_storage_controller.py b/test_runner/regress/test_storage_controller.py
@@ -1636,7 +1636,7 @@ def test_background_operation_cancellation(neon_env_builder: NeonEnvBuilder):
     env = neon_env_builder.init_configs()
     env.start()
 
-    tenant_count = 5
+    tenant_count = 10
     shard_count_per_tenant = 8
     tenant_ids = []