diff --git a/app/Livewire/Project/Shared/GetLogs.php b/app/Livewire/Project/Shared/GetLogs.php
index 4777345546..e2c0b6fe3c 100644
--- a/app/Livewire/Project/Shared/GetLogs.php
+++ b/app/Livewire/Project/Shared/GetLogs.php
@@ -172,7 +172,7 @@ class GetLogs extends Component
 
         $since = is_string($since) ? $since : null;
         if (is_string($since) && preg_match(self::DOCKER_TIMESTAMP_PATTERN, $since)) {
-            $options = "--since {$since} -t";
+            $options = $this->sinceOptions($since);
         } else {
             $options = "-n {$this->resolveLogTail()} -t";
         }
@@ -281,7 +281,7 @@ class GetLogs extends Component
             if ($all) {
                 $options = '-t';
             } elseif ($sinceValue !== null) {
-                $options = "--since {$sinceValue} -t";
+                $options = $this->sinceOptions($sinceValue);
             } else {
                 $options = "-n {$tail} -t";
             }
@@ -441,6 +441,16 @@ class GetLogs extends Component
         return collect();
     }
 
+    /**
+     * `--since` without `-n` makes dockerd decode the complete log file of the container on each
+     * stream tick, which keeps it at full CPU for large logs. With `-n`, dockerd reads from the end.
+     * The viewer keeps at most MAX_LOG_LINES lines, so a stream tick never needs more.
+     */
+    private function sinceOptions(string $since): string
+    {
+        return "--since {$since} -n ".self::MAX_LOG_LINES.' -t';
+    }
+
     private function resolveLogTail(): int|string
     {
         if ($this->numberOfLines === -1) {
diff --git a/tests/Feature/GetLogsCommandInjectionTest.php b/tests/Feature/GetLogsCommandInjectionTest.php
index ca04c917a7..2757f9685b 100644
--- a/tests/Feature/GetLogsCommandInjectionTest.php
+++ b/tests/Feature/GetLogsCommandInjectionTest.php
@@ -221,7 +221,7 @@ describe('GetLogs browser-rendered output', function () {
             ->call('getLogs', '2026-09-28T10:00:02.123456789Z')
             ->assertReturned('2026-09-28T10:00:03Z new');
 
-        Process::assertRan(fn ($process) => str_contains(remoteProcessScript($process), 'docker logs --since 2026-09-28T10:00:02.123456789Z -t test-container'));
+        Process::assertRan(fn ($process) => str_contains(remoteProcessScript($process), 'docker logs --since 2026-09-28T10:00:02.123456789Z -n 50000 -t test-container'));
     });
 
     test('getLogs prefixes the streaming command with sudo for non-root servers', function () {
@@ -234,7 +234,7 @@ describe('GetLogs browser-rendered output', function () {
             'container' => 'test-container',
         ])->call('getLogs', '2026-09-28T10:00:02Z');
 
-        Process::assertRan(fn ($process) => str_contains(remoteProcessScript($process), '(sudo docker logs --since 2026-09-28T10:00:02Z -t test-container) 2>&1 | head -c'));
+        Process::assertRan(fn ($process) => str_contains(remoteProcessScript($process), '(sudo docker logs --since 2026-09-28T10:00:02Z -n 50000 -t test-container) 2>&1 | head -c'));
     });
 
     test('getLogs ignores a since value that is not a docker timestamp', function (string $since) {
diff --git a/tests/Feature/GetLogsMergedSourcesTest.php b/tests/Feature/GetLogsMergedSourcesTest.php
index 55c16a7fe4..aee9c352e9 100644
--- a/tests/Feature/GetLogsMergedSourcesTest.php
+++ b/tests/Feature/GetLogsMergedSourcesTest.php
@@ -180,7 +180,7 @@ it('asks each source only for lines after its own timestamp', function () {
     $frankfurt = collect($commands)->first(fn (string $command): bool => str_contains($command, 'web-frankfurt'));
     $helsinki = collect($commands)->first(fn (string $command): bool => str_contains($command, 'web-helsinki'));
 
-    expect($frankfurt)->toContain('--since 2026-09-28T10:00:01.123456789Z')
+    expect($frankfurt)->toContain('--since 2026-09-28T10:00:01.123456789Z -n 50000 -t')
         ->and($helsinki)->toContain('docker logs -n ')
         ->and($helsinki)->not->toContain('--since');
 });