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Add comment about the effect of TaskKind to shutdown sequence

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Heikki Linnakangas
2023-01-12 19:16:26 +02:00
parent 5aaa5302eb
commit 14ff793582
1 changed files with 7 additions and 0 deletions
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7
pageserver/src/context.rs
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@@ -112,6 +112,13 @@ pub enum DownloadBehavior {
/// There are many kinds of tasks in the system. Some are associated with a particular
/// tenant or timeline, while others are global.
///
/// The task kind affects the shutdown sequence on pageserver shutdown and on detach
/// of an individual tenant. For example, when shutting down the pageserver, we shut
/// down the LibpqEndpointListeners first, so that we don't accept any more client
/// connections while we perform the rest of the shutdown duties. See
/// [`Timeline::graceful_shutdown and`] and [`tenant_mgr::shutdown_pageserver`]
/// for details.
///
/// Note that we don't try to limit how many task of a certain kind can be running
/// at the same time.
///