From a2c66cd3176430af32be224f3213bf07893b29d2 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Peter=20=C5=A0tibran=C3=BD?= <peter.stibrany@grafana.com>
Date: Thu, 22 Apr 2021 11:18:06 +0200
Subject: [PATCH] Introduce ingester instance limits to configuration, and add
 alerts. (https://github.com/grafana/cortex-jsonnet/pull/296)

* Introduce ingester instance limits to configuration, and add alerts.

* CHANGELOG.md

* Address (internal) review feedback.
---
 operations/mimir/config.libsonnet | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/operations/mimir/config.libsonnet b/operations/mimir/config.libsonnet
index 14fc54f9b6..c4173bd062 100644
--- a/operations/mimir/config.libsonnet
+++ b/operations/mimir/config.libsonnet
@@ -436,6 +436,15 @@
 
     // Enables streaming of chunks from ingesters using blocks.
     ingester_stream_chunks_when_using_blocks: true,
+
+    // Ingester limits are put directly into runtime config, if not null. Available limits:
+    //    ingester_instance_limits: {
+    //      max_inflight_push_requests: 0,  // Max inflight push requests per ingester. 0 = no limit.
+    //      max_ingestion_rate: 0,  // Max ingestion rate (samples/second) per ingester. 0 = no limit.
+    //      max_series: 0,  // Max number of series per ingester. 0 = no limit.
+    //      max_tenants: 0,  // Max number of tenants per ingester. 0 = no limit.
+    //    },
+    ingester_instance_limits: null,
   },
 
   local configMap = $.core.v1.configMap,
@@ -447,6 +456,7 @@
         { overrides: $._config.overrides }
         + (if std.length($._config.multi_kv_config) > 0 then { multi_kv_config: $._config.multi_kv_config } else {})
         + (if $._config.ingester_stream_chunks_when_using_blocks then { ingester_stream_chunks_when_using_blocks: true } else {})
+        + (if $._config.ingester_instance_limits != null then { ingester_limits: $._config.ingester_instance_limits } else {}),
       ),
     }),