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Fixing query performance issue in StorageLiveView.cpp by moving to PullingAsyncPipelineExecutor.

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This commit is contained in:
Vitaliy Zakaznikov 2021-11-02 11:36:52 -04:00
parent 9adff8a2b8
commit 239432009b
1 changed files with 4 additions and 4 deletions
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8
src/Storages/LiveView/StorageLiveView.cpp
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@ -18,7 +18,7 @@ limitations under the License. */
#include <Processors/Sources/BlocksSource.h> #include <Processors/Sources/BlocksSource.h>
#include <Processors/Sinks/EmptySink.h> #include <Processors/Sinks/EmptySink.h>
#include <Processors/Transforms/MaterializingTransform.h> #include <Processors/Transforms/MaterializingTransform.h>
#include <Processors/Executors/PullingPipelineExecutor.h> #include <Processors/Executors/PullingAsyncPipelineExecutor.h>
#include <Processors/Transforms/SquashingChunksTransform.h> #include <Processors/Transforms/SquashingChunksTransform.h>
#include <Processors/Transforms/ExpressionTransform.h> #include <Processors/Transforms/ExpressionTransform.h>
#include <base/logger_useful.h> #include <base/logger_useful.h>
@ -120,7 +120,7 @@ MergeableBlocksPtr StorageLiveView::collectMergeableBlocks(ContextPtr local_cont
new_mergeable_blocks->sample_block = builder.getHeader(); new_mergeable_blocks->sample_block = builder.getHeader();
auto pipeline = QueryPipelineBuilder::getPipeline(std::move(builder)); auto pipeline = QueryPipelineBuilder::getPipeline(std::move(builder));
PullingPipelineExecutor executor(pipeline); PullingAsyncPipelineExecutor executor(pipeline);
Block this_block; Block this_block;
while (executor.pull(this_block)) while (executor.pull(this_block))
@ -244,7 +244,7 @@ void StorageLiveView::writeIntoLiveView(
}); });
auto pipeline = QueryPipelineBuilder::getPipeline(std::move(builder)); auto pipeline = QueryPipelineBuilder::getPipeline(std::move(builder));
PullingPipelineExecutor executor(pipeline); PullingAsyncPipelineExecutor executor(pipeline);
Block this_block; Block this_block;
while (executor.pull(this_block)) while (executor.pull(this_block))
@ -385,7 +385,7 @@ bool StorageLiveView::getNewBlocks()
auto builder = completeQuery(std::move(from)); auto builder = completeQuery(std::move(from));
auto pipeline = QueryPipelineBuilder::getPipeline(std::move(builder)); auto pipeline = QueryPipelineBuilder::getPipeline(std::move(builder));
PullingPipelineExecutor executor(pipeline); PullingAsyncPipelineExecutor executor(pipeline);
Block block; Block block;
while (executor.pull(block)) while (executor.pull(block))
{ {