kr11 commented on a change in pull request #2024:
URL: https://github.com/apache/iotdb/pull/2024#discussion_r523446819
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File path: server/src/assembly/resources/conf/iotdb-engine.properties
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@@ -572,3 +572,22 @@
authorizer_provider_class=org.apache.iotdb.db.auth.authorizer.LocalFileAuthorize
#If OpenIdAuthorizer is enabled, then openID_url must be set.
#openID_url=
+
+# Uncomment following fields to configure the index root directory.
+# For Window platform, the index is as follows:
+# index_root_dir=data\\index
+# For Linux platform
+# If its prefix is "/", then the path is absolute. Otherwise, it is relative.
+# index_root_dir=data/index
+
+# Is index enable
+enable_index=false
+
+# How many threads can concurrently build index. When <= 0, use CPU core
number.
+concurrent_index_build_thread=0
+
+# the default size of sliding window used for the subsequence matching in
index framework
+default_index_window_range=10
Review comment:
> I think all configurations are the default value...
An interesting comment. Let's talk about it.
`index_window_range` is necessary for the subsequence matching scenario.
The value of `index_window_range` varies in different index instances and
users often specify its value while index creating. The value in the
configuration will be adopted only when "index_window_range" is missed.
Thus I think it's better to be named as "default xxx" since its value isn't
always used for all indexes.
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