FrankChen021 commented on code in PR #19739:
URL: https://github.com/apache/druid/pull/19739#discussion_r3645237398
##########
indexing-service/src/main/java/org/apache/druid/indexing/common/SegmentCacheManagerFactory.java:
##########
@@ -105,7 +114,8 @@ public SegmentCacheManager manufacturate(File storageDir,
Long maxSize, boolean
new SegmentLoaderConfig()
.setLocations(Collections.singletonList(locationConfig))
.setVirtualStorage(virtualStorage)
- .setVirtualStorageIsEphemeral(virtualStorage);
+ .setVirtualStorageIsEphemeral(virtualStorage)
+ .setVirtualStoragePartialDownloadsEnabled(partialDownloadsEnabled);
Review Comment:
[P2] Preserve the configured partial-download tuning
This fresh `SegmentLoaderConfig` only copies the enable flag, so per-task
caches silently discard the configured metadata reservation and
range-fetch/coalescing limits from the injected `druid.segmentCache`
configuration. In particular, a V10 header larger than the hard-coded 16 MiB
default still fails while directing the operator to raise
`druid.segmentCache.virtualStorageMetadataReservationEstimate`, because that
setting can never reach this cache. Derive this per-task config from the
injected loader config before replacing the location and ephemeral flags.
##########
indexing-service/src/main/java/org/apache/druid/indexing/common/TaskToolboxFactory.java:
##########
@@ -247,7 +247,15 @@ public TaskToolbox build(TaskConfig config, Task task)
.queryProcessingPool(queryProcessingPool)
.joinableFactory(joinableFactory)
.monitorSchedulerProvider(monitorSchedulerProvider)
-
.segmentCacheManager(segmentCacheManagerFactory.manufacturate(taskWorkDir,
null, true))
+ .segmentCacheManager(segmentCacheManagerFactory.manufacturate(
+ taskWorkDir,
+ null,
+ true,
+ task.getContextValue(
Review Comment:
[P2] Parse the query-context boolean before unboxing
This key is also exposed as an MSQ query-context parameter, whose
`QueryContext.getBoolean` contract accepts string booleans. If a request
supplies `"false"`, that value is copied into the worker task context, but this
raw generic lookup returns a `String` and unboxing it as `boolean` throws
`ClassCastException` while constructing the toolbox, before
`IndexerWorkerContext` can use the proper parser. Parse the value with
`QueryContext` or the existing boolean conversion utility.
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