mychaow commented on a change in pull request #1721:
URL: https://github.com/apache/iotdb/pull/1721#discussion_r542152881
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File path: server/src/main/java/org/apache/iotdb/db/conf/IoTDBConfig.java
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@@ -204,12 +204,18 @@
/**
* Size of log buffer in each log node(in byte). If WAL is enabled and the
size of a insert plan
- * is smaller than this parameter, then the insert plan will be rejected by
WAL.
+ * is larger than this parameter, then the insert plan will be rejected by
WAL.
*/
private int walBufferSize = 16 * 1024 * 1024;
private int estimatedSeriesSize = 300;
+ /**
+ * Size of log buffer for every MetaData operation. If the size of a
MetaData operation plan
+ * is larger than this parameter, then the MetaData operation plan will be
rejected by MManager.
+ */
+ private int mlogBufferSize = 1024 * 1024;
Review comment:
> There is not a thread to do the periodic Channel.force(true) for
MLogWriter, is this meet our expectation?
Not，just when we use thread pool to write, and we call shutdown to interrupt
the thread, see this
https://stackoverflow.com/questions/1161297/why-are-we-getting-closedbyinterruptexception-from-filechannel-map-in-java-1-6
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