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Load: Flush ChunkGroup to a temporary file and cache TableSchema in advance to reduce memory allocation#16225

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jt2594838 merged 10 commits intoapache:masterfrom
luoluoyuyu:fix-load-OOM
Aug 25, 2025
Merged

Load: Flush ChunkGroup to a temporary file and cache TableSchema in advance to reduce memory allocation#16225
jt2594838 merged 10 commits intoapache:masterfrom
luoluoyuyu:fix-load-OOM

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Description

As the title said


This PR has:

  • been self-reviewed.
    • concurrent read
    • concurrent write
    • concurrent read and write
  • added documentation for new or modified features or behaviors.
  • added Javadocs for most classes and all non-trivial methods.
  • added or updated version, license, or notice information
  • added comments explaining the "why" and the intent of the code wherever would not be obvious
    for an unfamiliar reader.
  • added unit tests or modified existing tests to cover new code paths, ensuring the threshold
    for code coverage.
  • added integration tests.
  • been tested in a test IoTDB cluster.

Key changed/added classes (or packages if there are too many classes) in this PR

@jt2594838 jt2594838 merged commit 2a46823 into apache:master Aug 25, 2025
27 checks passed
luoluoyuyu added a commit to luoluoyuyu/iotdb that referenced this pull request Aug 26, 2025
…dvance to reduce memory allocation (apache#16225)

* Load: Flush ChunkGroup to a temporary file and cache TableSchema in advance to reduce memory allocation

* update

* update

* update

* update

* fix

* fix

* update

* update

(cherry picked from commit 2a46823)
Caideyipi pushed a commit that referenced this pull request Aug 27, 2025
…leSchema in advance to reduce memory allocation && Add IT test about Load file across multiple time partitions (#16225) (#16253) (#16273)

* Load: Flush ChunkGroup to a temporary file and cache TableSchema in advance to reduce memory allocation (#16225)

* Load: Flush ChunkGroup to a temporary file and cache TableSchema in advance to reduce memory allocation

* update

* update

* update

* update

* fix

* fix

* update

* update

(cherry picked from commit 2a46823)

* Load: Add IT test about Load file across multiple time partitions (#16253)

* add IT

* add IT

(cherry picked from commit 67c450b)

# Conflicts:
#	iotdb-core/datanode/src/main/java/org/apache/iotdb/db/conf/IoTDBConfig.java
#	iotdb-core/datanode/src/main/java/org/apache/iotdb/db/conf/IoTDBDescriptor.java

* fix

* fix
JackieTien97 pushed a commit that referenced this pull request Dec 16, 2025
…dvance to reduce memory allocation (#16225)

* Load: Flush ChunkGroup to a temporary file and cache TableSchema in advance to reduce memory allocation

* update

* update

* update

* update

* fix

* fix

* update

* update

(cherry picked from commit 2a46823)
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