qiaojialin opened a new issue #2607:
URL: https://github.com/apache/iotdb/issues/2607


   This means meeting error when flushing data to disk.
   
   You could search "change system mode to read-only" in the error log to see 
what happened.
   
   Some common reasons:
   
   - Disk space is full
   - OOM
   
   If OOM,  you could config manually or upgrade to version 0.11.3 or a later 
version.
   
   How to config OOM: in  iotdb-engine.properties
   
   enable_parameter_adapter=false
   tsfile_size_threshold=100000000
   memtable_size_threshold=JVM memory/2/storage group number/4


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