[To dev/1.3] Load: Flush ChunkGroup to a temporary file and cache TableSchema in advance to reduce memory allocation && Add IT test about Load file across multiple time partitions (#16225) (#16253)#16273
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Caideyipi merged 4 commits intoapache:dev/1.3from Aug 27, 2025
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…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)
…ache#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
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