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[GitHub] [incubator-iotdb] sonarcloud[bot] commented on pull request #1411: [IOTDB-706] Introduce virtual memtable for larger Chunk

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[GitHub] [incubator-iotdb] kqkdChen commented on issue #1425: SQL执行时间怎样优化到毫秒级别？还是说根本就不可能？

kqkdChen commented on issue #1425: URL: https://github.com/apache/incubator-iotdb/issues/1425#issuecomment-650695760 CPU Cores: 8 Total, 29% CPU Ratio JVM Memory: 1969 1969 1295 (Max/Total/Free)MB Host Memory: 16 GB Total, 5.0 GB Used 1894条数据 count 下竟然将近9秒。

[GitHub] [incubator-iotdb] kqkdChen opened a new issue #1425: SQL执行时间怎样优化到毫秒级别？还是说根本就不可能？

kqkdChen opened a new issue #1425: URL: https://github.com/apache/incubator-iotdb/issues/1425 data count: **1894** total SQL: **select * from root.position where time > 1559179819000 limit 10** 执行上述sql： shell client显示花费时间： **6.171S**

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[GitHub] [incubator-iotdb] qiaojialin merged pull request #1413: [IOTDB-775] Add SQL of creating snapshot manually

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[GitHub] [incubator-iotdb] jt2594838 merged pull request #1422: [Distributed] Remove unnecessary persistence

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[GitHub] [incubator-iotdb] Alima777 commented on a change in pull request #1399: [IOTDB-736] Query performance tracing

Alima777 commented on a change in pull request #1399: URL: https://github.com/apache/incubator-iotdb/pull/1399#discussion_r446200347 ## File path: server/src/main/java/org/apache/iotdb/db/query/control/TracingManager.java ## @@ -0,0 +1,145 @@ +/* + * Licensed to the Apache

[GitHub] [incubator-iotdb] Alima777 commented on a change in pull request #1399: [IOTDB-736] Query performance tracing

Alima777 commented on a change in pull request #1399: URL: https://github.com/apache/incubator-iotdb/pull/1399#discussion_r446593235 ## File path: server/src/main/java/org/apache/iotdb/db/query/control/QueryResourceManager.java ## @@ -85,20 +110,50 @@ public void

[GitHub] [incubator-iotdb] Alima777 commented on a change in pull request #1399: [IOTDB-736] Query performance tracing

Alima777 commented on a change in pull request #1399: URL: https://github.com/apache/incubator-iotdb/pull/1399#discussion_r446593110 ## File path: server/src/main/java/org/apache/iotdb/db/query/control/QueryResourceManager.java ## @@ -85,20 +110,50 @@ public void

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[GitHub] [incubator-iotdb] qiaojialin merged pull request #1424: [Hot_compaction] add file exists judgment

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[GitHub] [incubator-iotdb] zhanglingzhe0820 opened a new pull request #1424: and file exists judgment

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[GitHub] [incubator-iotdb] samperson1997 commented on a change in pull request #1413: [IOTDB-775] Add SQL of creating snapshot manually

samperson1997 commented on a change in pull request #1413: URL: https://github.com/apache/incubator-iotdb/pull/1413#discussion_r446502773 ## File path: server/src/main/java/org/apache/iotdb/db/qp/Planner.java ## @@ -100,6 +100,7 @@ protected Operator logicalOptimize(Operator

[GitHub] [incubator-iotdb] samperson1997 commented on a change in pull request #1413: [IOTDB-775] Add SQL of creating snapshot manually

samperson1997 commented on a change in pull request #1413: URL: https://github.com/apache/incubator-iotdb/pull/1413#discussion_r446502821 ## File path: server/src/main/java/org/apache/iotdb/db/qp/logical/Operator.java ## @@ -76,6 +76,6 @@ public String toString() {