diff --git a/pageserver/src/tenant/remote_timeline_client.rs b/pageserver/src/tenant/remote_timeline_client.rs index e4212fb8b9..bc9ff14192 100644 --- a/pageserver/src/tenant/remote_timeline_client.rs +++ b/pageserver/src/tenant/remote_timeline_client.rs @@ -745,6 +745,68 @@ impl RemoteTimelineClient { .context("wait completion") } + pub(crate) async fn schedule_started_detach_ancestor_mark_and_wait( + self: &Arc, + ) -> anyhow::Result<()> { + let maybe_barrier = { + let mut guard = self.upload_queue.lock().unwrap(); + let upload_queue = guard.initialized_mut()?; + + match upload_queue.dirty.ongoing_detach_ancestor { + Some(_) if upload_queue.clean.0.ongoing_detach_ancestor.is_some() => { + // we don't need to upload anything + None + } + Some(_) => { + // we need to wait until current uploads + Some(self.schedule_barrier0(upload_queue)) + } + None => { + upload_queue.dirty.ongoing_detach_ancestor = + Some(chrono::Utc::now().naive_utc().into()); + self.schedule_index_upload(upload_queue)?; + Some(self.schedule_barrier0(upload_queue)) + } + } + }; + + if let Some(barrier) = maybe_barrier { + Self::wait_completion0(barrier).await + } else { + Ok(()) + } + } + + pub(crate) async fn schedule_completed_detach_ancestor_mark_and_wait( + self: &Arc, + ) -> anyhow::Result<()> { + let maybe_barrier = { + let mut guard = self.upload_queue.lock().unwrap(); + let upload_queue = guard.initialized_mut()?; + + assert!(upload_queue.clean.0.lineage.is_detached_from_ancestor()); + + match upload_queue.dirty.ongoing_detach_ancestor { + Some(_) => { + upload_queue.dirty.ongoing_detach_ancestor = None; + self.schedule_index_upload(upload_queue)?; + Some(self.schedule_barrier0(upload_queue)) + } + None if upload_queue.clean.0.ongoing_detach_ancestor.is_some() => { + // the upload is already underway; avoid new upload + Some(self.schedule_barrier0(upload_queue)) + } + None => None, + } + }; + + if let Some(barrier) = maybe_barrier { + Self::wait_completion0(barrier).await + } else { + Ok(()) + } + } + /// Launch an upload operation in the background; the file is added to be included in next /// `index_part.json` upload. pub(crate) fn schedule_layer_file_upload( diff --git a/pageserver/src/tenant/remote_timeline_client/index.rs b/pageserver/src/tenant/remote_timeline_client/index.rs index 0bbcbab05c..a75ba2f8bb 100644 --- a/pageserver/src/tenant/remote_timeline_client/index.rs +++ b/pageserver/src/tenant/remote_timeline_client/index.rs @@ -56,6 +56,9 @@ pub struct IndexPart { #[serde(default)] pub(crate) lineage: Lineage, + #[serde(skip_serializing_if = "Option::is_none", default)] + pub(crate) ongoing_detach_ancestor: Option, + /// Describes the kind of aux files stored in the timeline. /// /// The value is modified during file ingestion when the latest wanted value communicated via tenant config is applied if it is acceptable. @@ -80,10 +83,11 @@ impl IndexPart { /// - 5: lineage was added /// - 6: last_aux_file_policy is added. /// - 7: metadata_bytes is no longer written, but still read - const LATEST_VERSION: usize = 7; + /// - 8: +ongoing_timeline_detach + const LATEST_VERSION: usize = 8; // Versions we may see when reading from a bucket. - pub const KNOWN_VERSIONS: &'static [usize] = &[1, 2, 3, 4, 5, 6, 7]; + pub const KNOWN_VERSIONS: &'static [usize] = &[1, 2, 3, 4, 5, 6, 7, 8]; pub const FILE_NAME: &'static str = "index_part.json"; @@ -95,6 +99,7 @@ impl IndexPart { metadata, deleted_at: None, lineage: Default::default(), + ongoing_detach_ancestor: None, last_aux_file_policy: None, } } @@ -246,6 +251,20 @@ impl Lineage { } } +#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)] +pub(crate) struct OngoingDetachAncestor { + first_started_at: NaiveDateTime, + // FIXME: include last start, number of restarts? +} + +impl From for OngoingDetachAncestor { + fn from(value: NaiveDateTime) -> Self { + OngoingDetachAncestor { + first_started_at: value, + } + } +} + #[cfg(test)] mod tests { use super::*; @@ -286,6 +305,7 @@ mod tests { metadata: TimelineMetadata::from_bytes(&[113,11,159,210,0,54,0,4,0,0,0,0,1,105,96,232,1,0,0,0,0,1,105,96,112,0,0,0,0,0,0,0,0,0,0,0,0,0,1,105,96,112,0,0,0,0,1,105,96,112,0,0,0,14,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]).unwrap(), deleted_at: None, lineage: Lineage::default(), + ongoing_detach_ancestor: None, last_aux_file_policy: None, }; @@ -328,6 +348,7 @@ mod tests { metadata: TimelineMetadata::from_bytes(&[113,11,159,210,0,54,0,4,0,0,0,0,1,105,96,232,1,0,0,0,0,1,105,96,112,0,0,0,0,0,0,0,0,0,0,0,0,0,1,105,96,112,0,0,0,0,1,105,96,112,0,0,0,14,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]).unwrap(), deleted_at: None, lineage: Lineage::default(), + ongoing_detach_ancestor: None, last_aux_file_policy: None, }; @@ -371,6 +392,7 @@ mod tests { metadata: TimelineMetadata::from_bytes(&[113,11,159,210,0,54,0,4,0,0,0,0,1,105,96,232,1,0,0,0,0,1,105,96,112,0,0,0,0,0,0,0,0,0,0,0,0,0,1,105,96,112,0,0,0,0,1,105,96,112,0,0,0,14,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]).unwrap(), deleted_at: Some(parse_naive_datetime("2023-07-31T09:00:00.123000000")), lineage: Lineage::default(), + ongoing_detach_ancestor: None, last_aux_file_policy: None, }; @@ -417,6 +439,7 @@ mod tests { .unwrap(), deleted_at: None, lineage: Lineage::default(), + ongoing_detach_ancestor: None, last_aux_file_policy: None, }; @@ -458,6 +481,7 @@ mod tests { metadata: TimelineMetadata::from_bytes(&[113,11,159,210,0,54,0,4,0,0,0,0,1,105,96,232,1,0,0,0,0,1,105,96,112,0,0,0,0,0,0,0,0,0,0,0,0,0,1,105,96,112,0,0,0,0,1,105,96,112,0,0,0,14,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]).unwrap(), deleted_at: Some(parse_naive_datetime("2023-07-31T09:00:00.123000000")), lineage: Lineage::default(), + ongoing_detach_ancestor: None, last_aux_file_policy: None, }; @@ -502,6 +526,7 @@ mod tests { reparenting_history: vec![TimelineId::from_str("e1bfd8c633d713d279e6fcd2bcc15b6d").unwrap()], original_ancestor: Some((TimelineId::from_str("e2bfd8c633d713d279e6fcd2bcc15b6d").unwrap(), Lsn::from_str("0/15A7618").unwrap(), parse_naive_datetime("2024-05-07T18:52:36.322426563"))), }, + ongoing_detach_ancestor: None, last_aux_file_policy: None, }; @@ -551,6 +576,7 @@ mod tests { reparenting_history: vec![TimelineId::from_str("e1bfd8c633d713d279e6fcd2bcc15b6d").unwrap()], original_ancestor: Some((TimelineId::from_str("e2bfd8c633d713d279e6fcd2bcc15b6d").unwrap(), Lsn::from_str("0/15A7618").unwrap(), parse_naive_datetime("2024-05-07T18:52:36.322426563"))), }, + ongoing_detach_ancestor: None, last_aux_file_policy: Some(AuxFilePolicy::V2), }; @@ -605,6 +631,64 @@ mod tests { ).with_recalculated_checksum().unwrap(), deleted_at: Some(parse_naive_datetime("2023-07-31T09:00:00.123000000")), lineage: Default::default(), + ongoing_detach_ancestor: None, + last_aux_file_policy: Default::default(), + }; + + let part = IndexPart::from_s3_bytes(example.as_bytes()).unwrap(); + assert_eq!(part, expected); + } + + #[test] + fn v8_indexpart_is_parsed() { + let example = r#"{ + "version": 8, + "layer_metadata":{ + "000000000000000000000000000000000000-FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF__0000000001696070-00000000016960E9": { "file_size": 25600000 }, + "000000000000000000000000000000000000-FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF__00000000016B59D8-00000000016B5A51": { "file_size": 9007199254741001 } + }, + "disk_consistent_lsn":"0/16960E8", + "metadata": { + "disk_consistent_lsn": "0/16960E8", + "prev_record_lsn": "0/1696070", + "ancestor_timeline": "e45a7f37d3ee2ff17dc14bf4f4e3f52e", + "ancestor_lsn": "0/0", + "latest_gc_cutoff_lsn": "0/1696070", + "initdb_lsn": "0/1696070", + "pg_version": 14 + }, + "ongoing_detach_ancestor": { + "first_started_at": "2024-07-19T09:00:00.123" + } + }"#; + + let expected = IndexPart { + version: 8, + layer_metadata: HashMap::from([ + ("000000000000000000000000000000000000-FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF__0000000001696070-00000000016960E9".parse().unwrap(), LayerFileMetadata { + file_size: 25600000, + generation: Generation::none(), + shard: ShardIndex::unsharded() + }), + ("000000000000000000000000000000000000-FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF__00000000016B59D8-00000000016B5A51".parse().unwrap(), LayerFileMetadata { + file_size: 9007199254741001, + generation: Generation::none(), + shard: ShardIndex::unsharded() + }) + ]), + disk_consistent_lsn: "0/16960E8".parse::().unwrap(), + metadata: TimelineMetadata::new( + Lsn::from_str("0/16960E8").unwrap(), + Some(Lsn::from_str("0/1696070").unwrap()), + Some(TimelineId::from_str("e45a7f37d3ee2ff17dc14bf4f4e3f52e").unwrap()), + Lsn::INVALID, + Lsn::from_str("0/1696070").unwrap(), + Lsn::from_str("0/1696070").unwrap(), + 14, + ).with_recalculated_checksum().unwrap(), + deleted_at: None, + lineage: Default::default(), + ongoing_detach_ancestor: Some(OngoingDetachAncestor { first_started_at: parse_naive_datetime("2024-07-19T09:00:00.123000000") }), last_aux_file_policy: Default::default(), };