56 lines
2.0 KiB
Plaintext
56 lines
2.0 KiB
Plaintext
---
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summary: 'Matrix Console app slightly freezes when receiving a message '
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---
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assignee: manu
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created: 2015-01-14 10:43:43.0
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creator: manu
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description: |-
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To reproduce it:
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- Send a message
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- While the message is in the echo state, continue typing random chars in the text view.
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-> When the app receives the ACK from the HS for this message (when the message becomes black), you can see the UI that stops repeating typed chars for a few hundred of ms.
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Possible faulty candidates:
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1 - MXFileStore write. The longer a room history is, the more it takes time to save room data. And this operation in currently done on the main thread.
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2 - Message echo management.
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id: '10928'
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key: SYIOS-54
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number: '54'
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priority: '2'
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project: '10200'
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reporter: manu
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resolution: '1'
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resolutiondate: 2015-01-16 14:35:56.0
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status: '5'
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type: '1'
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updated: 2015-01-16 14:35:56.0
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votes: '0'
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watches: '2'
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workflowId: '11028'
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---
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actions:
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- author: gforet
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body: About the second faulty candidate "Message echo management", we add multithreading to handle received events and back pagination. This fix several cases of app freeze.
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created: 2015-01-16 09:46:51.0
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id: '11141'
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issue: '10928'
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type: comment
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updateauthor: gforet
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updated: 2015-01-16 09:46:51.0
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- author: manu
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body: |-
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[MXFileStore commit] code is now executed on a separate thread.
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Note we may be at the limit of the MXFileStore implementation.
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MXFileStore manages one file per room. It stores data for a room by serialising the MXFileRoomStore object that represents this room. It uses NSObject serialisation.
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On a new event in a room, MXFileStore serialises the whole MXFileRoomStore object which takes more and more time as there are more messages in this object.
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For illustration, caching a new message to a room already containing 700 messages takes 800ms on an iPhone 5s.
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created: 2015-01-16 14:35:56.0
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id: '11142'
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issue: '10928'
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type: comment
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updateauthor: manu
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updated: 2015-01-16 14:35:56.0
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