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Posted to reviews@iotdb.apache.org by GitBox <gi...@apache.org> on 2022/12/28 08:21:39 UTC

[GitHub] [iotdb] KeeProMise commented on a diff in pull request #8619: [IOTDB-5291] Add TiFile to Tag Model, support disk flush and query

KeeProMise commented on code in PR #8619:
URL: https://github.com/apache/iotdb/pull/8619#discussion_r1058146564


##########
schema-engine-tag/src/assembly/resources/conf/schema-tag.properties:
##########
@@ -30,4 +30,28 @@
 
 # Datatype: int
 # How many device ids a memtable can insert, beyond which the memtable will become immutable
-# num_of_deviceIds_in_memTable = 65536
\ No newline at end of file
+# num_of_deviceIds_in_memTable = 65536
+
+# Datatype: int
+# How many memtables can be reserved in the memory, if the threshold value is exceeded, it will flush
+# num_of_immutable_memTable = 5
+
+# Datatype: long
+# Max chunk size flush to disk, if chunk size over this size, it will disassemble into multiple chunks.(unit: byte)
+# max_chunk_size = 1024*1024
+
+# Datatype: int
+# The size of buffer used to write a record.(unit: byte)
+# out_buffer_size = 1024*1024
+
+####################
+### B+ tree Configuration
+####################
+
+# Datatype: int
+# The size of b+ tree page.(unit: byte)
+# b+tree_page_size = 4*1024
+
+# Datatype: int
+# Degree of a b+ tree.
+# degree = 250

Review Comment:
   I refer to the setting of tsfile for this parameter, which is 250 by default



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