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Posted to reviews@iotdb.apache.org by GitBox <gi...@apache.org> on 2021/01/21 15:05:53 UTC
[GitHub] [iotdb] weizihan0110 opened a new pull request #2550: Optimize storage group recovery
weizihan0110 opened a new pull request #2550:
URL: https://github.com/apache/iotdb/pull/2550
It's better not to do recovery when Storage Group Directory doesn't exist or creating it failed
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[GitHub] [iotdb] sonarcloud[bot] removed a comment on pull request #2550: Optimize storage group recovery
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URL: https://github.com/apache/iotdb/pull/2550#issuecomment-764730136
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[GitHub] [iotdb] sonarcloud[bot] commented on pull request #2550: Optimize storage group recovery
Posted by GitBox <gi...@apache.org>.
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URL: https://github.com/apache/iotdb/pull/2550#issuecomment-764730136
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[GitHub] [iotdb] HTHou closed pull request #2550: Optimize storage group recovery
Posted by GitBox <gi...@apache.org>.
HTHou closed pull request #2550:
URL: https://github.com/apache/iotdb/pull/2550
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[GitHub] [iotdb] sonarcloud[bot] commented on pull request #2550: Optimize storage group recovery
Posted by GitBox <gi...@apache.org>.
sonarcloud[bot] commented on pull request #2550:
URL: https://github.com/apache/iotdb/pull/2550#issuecomment-764802027
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[GitHub] [iotdb] HTHou closed pull request #2550: Optimize storage group recovery
Posted by GitBox <gi...@apache.org>.
HTHou closed pull request #2550:
URL: https://github.com/apache/iotdb/pull/2550
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[GitHub] [iotdb] sonarcloud[bot] commented on pull request #2550: Optimize storage group recovery
Posted by GitBox <gi...@apache.org>.
sonarcloud[bot] commented on pull request #2550:
URL: https://github.com/apache/iotdb/pull/2550#issuecomment-764730136
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[GitHub] [iotdb] jixuan1989 commented on a change in pull request #2550: Optimize storage group recovery
Posted by GitBox <gi...@apache.org>.
jixuan1989 commented on a change in pull request #2550:
URL: https://github.com/apache/iotdb/pull/2550#discussion_r565361373
##########
File path: server/src/main/java/org/apache/iotdb/db/engine/StorageEngine.java
##########
@@ -417,21 +417,13 @@ private StorageGroupProcessor getStorageGroupProcessorByPath(PartialPath deviceP
.get(storageGroupMNode.getPartialPath());
if (virtualStorageGroupManager == null) {
// if finish recover
- if (isAllSgReady.get()) {
- waitAllSgReady(devicePath);
- synchronized (storageGroupMNode) {
- virtualStorageGroupManager = processorMap.get(storageGroupMNode.getPartialPath());
- if (virtualStorageGroupManager == null) {
- virtualStorageGroupManager = new VirtualStorageGroupManager();
- processorMap.put(storageGroupMNode.getPartialPath(), virtualStorageGroupManager);
- }
+ waitAllSgReady(devicePath);
Review comment:
if sg is not ready, tell the user that message ASAP is a good design...
In general, blocking user's call is not good
##########
File path: server/src/main/java/org/apache/iotdb/db/engine/storagegroup/virtualSg/VirtualStorageGroupManager.java
##########
@@ -159,12 +159,14 @@ public void run() {
});
threadList.add(recoverThread);
- recoverThread.start();
}
+ Thread thread;
for (int i = 0; i < partitioner.getPartitionCount(); i++) {
try {
- threadList.get(i).join();
+ thread = threadList.get(i);
+ thread.start();
+ thread.join();
Review comment:
why change this from async to sync mode?
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[GitHub] [iotdb] sonarcloud[bot] removed a comment on pull request #2550: Optimize storage group recovery
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