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fix(compression-coordinator): Ensure running Spider jobs always have a dispatch_time. #2462

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fix(compression-coordinator): Ensure running Spider jobs always have a dispatch_time. #2462

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6aa5533
Add job handler dispatch time update
Bill-hbrhbr Aug 8, 2026
c3f6f16
Merge branch 'main' into coordinator/ensure-running-job-with-dispatch…
Bill-hbrhbr Aug 8, 2026
1df15e1
Update components/compression-coordinator/src/coordination.rs
Bill-hbrhbr Aug 9, 2026
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3 changes: 2 additions & 1 deletion components/compression-coordinator/src/coordination.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -305,7 +305,8 @@ impl Coordinator {
let mut tx = self.db_pool.begin().await?;
for chunk in job_ids.chunks(1000) {
let mut query_builder = sqlx::QueryBuilder::<sqlx::MySql>::new(formatcp!(
"UPDATE `{table}` SET `dispatch_time` = CURRENT_TIMESTAMP() WHERE `id` IN (",
"UPDATE `{table}` SET `dispatch_time` = COALESCE(`dispatch_time`, \
CURRENT_TIMESTAMP()) WHERE `id` IN (",
table = COMPRESSION_JOB_TABLE_NAME,
));
let mut separated_ids = query_builder.separated(", ");
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9 changes: 8 additions & 1 deletion components/compression-coordinator/src/job_handle.rs
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Expand Up @@ -440,6 +440,12 @@ impl<SubmitterType: S3CompressionJobSubmitter> S3CompressionJobHandle<SubmitterT
/// This method associates the given Spider job ID with the compression job in the CLP database
/// and updates the compression job status to [`CompressionJobStatus::Running`].
///
/// This method also ensures that the job has a valid `dispatch_time`, which the coordinator
/// uses to mark jobs as dispatched. A coordinator restart may occur before the marker is
/// persisted, leaving the Spider job running without a valid `dispatch_time`. Therefore, this
/// method sets the field as part of row update if it has not already been set by the
/// coordinator.
///
/// # Errors
///
/// Returns an error if:
Expand All @@ -455,7 +461,8 @@ impl<SubmitterType: S3CompressionJobSubmitter> S3CompressionJobHandle<SubmitterT
i32::try_from(num_tasks).map_err(|_| Error::TooManyCompressionTasks(num_tasks))?;
sqlx::query(formatcp!(
"UPDATE `{COMPRESSION_JOB_TABLE_NAME}` SET `spider_id` = ?, `status` = ?, `num_tasks` \
= ?, `start_time` = CURRENT_TIMESTAMP(3) WHERE `id` = ?"
= ?, `start_time` = CURRENT_TIMESTAMP(3), `dispatch_time` = \
COALESCE(`dispatch_time`, CURRENT_TIMESTAMP()) WHERE `id` = ?"
))
.bind(spider_job_id.get())
.bind(CompressionJobStatus::Running)
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