fix: persist indexer max_index_time_window_secs setting (#8821)

* fix: persist indexer max_index_time_window_secs setting

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

* feat: toggle UX for indexer time window cap

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

---------

Co-authored-by: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

backend/windmill-common/src/instance_config.rs

@@ -436,6 +436,8 @@ pub struct IndexerSettings {
     #[serde(skip_serializing_if = "Option::is_none")]
     pub max_indexed_job_log_size: Option<u64>,
     #[serde(skip_serializing_if = "Option::is_none")]
+    pub max_index_time_window_secs: Option<i64>,
+    #[serde(skip_serializing_if = "Option::is_none")]
     pub should_clear_job_index: Option<bool>,
     #[serde(skip_serializing_if = "Option::is_none")]
     pub should_clear_log_index: Option<bool>,

frontend/src/lib/components/instanceSettings.ts

@@ -80,6 +80,7 @@ export interface Setting {
 export type SettingStorage = 'setting'
 
 const positiveNumber = z.number().positive('Must be a positive number')
+const nonNegativeNumber = z.number().nonnegative('Must be zero or a positive number')
 
 const indexerSettingsSchema = z
 	.object({
@@ -89,7 +90,7 @@ const indexerSettingsSchema = z
 		max_indexed_job_log_size: positiveNumber.optional(),
 		commit_log_max_batch_size: positiveNumber.optional(),
 		refresh_log_index_period: positiveNumber.optional(),
-		max_index_time_window_secs: positiveNumber.optional()
+		max_index_time_window_secs: nonNegativeNumber.optional()
 	})
 	.passthrough()
 

frontend/src/lib/components/instanceSettings/IndexerMemorySettings.svelte

@@ -9,6 +9,7 @@
 	import IntegerInput from '../IntegerInput.svelte'
 	import InputError from '../InputError.svelte'
 	import Label from '../Label.svelte'
+	import Toggle from '../Toggle.svelte'
 	import { Loader2, RefreshCw } from 'lucide-svelte'
 	import type { Writable } from 'svelte/store'
 
@@ -20,6 +21,20 @@
 
 	let { values, disabled = false, errors = {} }: Props = $props()
 
+	let isTimeWindowCapped = $derived($values['indexer_settings'].max_index_time_window_secs !== 0)
+
+	function setTimeWindowCapped(checked: boolean) {
+		if (checked) {
+			const { max_index_time_window_secs: _, ...rest } = $values['indexer_settings']
+			$values['indexer_settings'] = rest
+		} else {
+			$values['indexer_settings'] = {
+				...$values['indexer_settings'],
+				max_index_time_window_secs: 0
+			}
+		}
+	}
+
 	let clearJobsIndexModalOpen = $state(false)
 	let clearServiceLogsIndexModalOpen = $state(false)
 
@@ -91,36 +106,49 @@
 		/>
 		<InputError error={errors.writer_memory_budget ?? ''} />
 	</div>
-	<div class="flex flex-col gap-1">
+	<div class="flex flex-col gap-2">
-		<label for="max_index_time_window_secs" class="block text-xs font-semibold text-emphasis">
+		<div class="flex flex-row items-center gap-2">
-			Index time window (days)
+			<span class="block text-xs font-semibold text-emphasis">
-			<Tooltip>
+				Index time window
-				Maximum age of items to include in the index. Jobs and logs older than this window will not
+				<Tooltip>
-				be indexed and will be cleaned up from the index. Set to 0 to disable (index everything
+					Cap the age of items the indexer keeps. Jobs and logs older than this window are not
-				within the retention period).
+					indexed and are cleaned up from the index. Disable the cap to index everything within the
-			</Tooltip>
+					retention period.
-		</label>
+				</Tooltip>
-		<IntegerInput
+			</span>
-			placeholder="7"
+			<div class="ml-auto">
-			id="max_index_time_window_secs"
+				<Toggle
-			{disabled}
+					{disabled}
-			error={errors.max_index_time_window_secs ?? ''}
+					checked={isTimeWindowCapped}
-			value={$values['indexer_settings'].max_index_time_window_secs != null
+					on:change={(e) => setTimeWindowCapped(e.detail)}
-				? Math.round($values['indexer_settings'].max_index_time_window_secs / 86400)
+					options={{ right: 'Cap by time window' }}
-				: undefined}
+				/>
-			oninput={(v) => {
+			</div>
-				if (v == null) {
+		</div>
-					const { max_index_time_window_secs: _, ...rest } = $values['indexer_settings']
+		{#if isTimeWindowCapped}
-					$values['indexer_settings'] = rest
+			<IntegerInput
-				} else {
+				placeholder="7"
-					$values['indexer_settings'] = {
+				id="max_index_time_window_secs"
-						...$values['indexer_settings'],
+				{disabled}
-						max_index_time_window_secs: v * 86400
+				error={errors.max_index_time_window_secs ?? ''}
+				value={$values['indexer_settings'].max_index_time_window_secs != null
+					? Math.round($values['indexer_settings'].max_index_time_window_secs / 86400)
+					: undefined}
+				oninput={(v) => {
+					if (v == null) {
+						const { max_index_time_window_secs: _, ...rest } = $values['indexer_settings']
+						$values['indexer_settings'] = rest
+					} else {
+						$values['indexer_settings'] = {
+							...$values['indexer_settings'],
+							max_index_time_window_secs: v * 86400
+						}
 					}
-				}
+				}}
-			}}
+			/>
-		/>
+			<span class="text-2xs text-tertiary">days (leave blank to use the default of 7 days)</span>
-		<InputError error={errors.max_index_time_window_secs ?? ''} />
+			<InputError error={errors.max_index_time_window_secs ?? ''} />
+		{/if}
 	</div>
 	<Label label="Indexer status">
 		{#snippet action()}