Jialin Qiao created IOTDB-1373:
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Summary: Adjust the tsfile_size_threshold automatically
Key: IOTDB-1373
URL: https://issues.apache.org/jira/browse/IOTDB-1373
Project: Apache IoTDB
Issue Type: Improvement
Reporter: Jialin Qiao
Currently, when we need to flush a memtable, we check if the size of target
TsFile is larger than the tsfile_size_threshold. If the target TsFile is larger
than this parameter, we close the TsFile after flushing.
If a TsFile is not close, all ChunkMetadata will cached in memory, so we set
tsfile_size_threshold to 1 to restrict that only two memtables are in TsFile.
This is a simple way to avoid OOM.
However, each file contains two memtable is not efficient.
We need to enlarge tsfile_size_threshold and avoid OOM.
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