|
How do we assume a modern web server can handle 50k concurrent connections?
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4
|
239
|
April 29, 2021
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|
Transient Message Store is missing in the detailed design
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1
|
21
|
April 10, 2021
|
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Why use Hbase when we need consistency?
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|
1
|
49
|
February 20, 2021
|
|
Long polling, why not send to user B chat server directly?
|
|
10
|
102
|
February 19, 2021
|
|
How does the messenger maintain the sequencing of the messages?
|
|
22
|
4224
|
January 29, 2021
|
|
Not clear how client will know updates of status of friends?
|
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1
|
51
|
December 26, 2020
|
|
The Data Partitioning scheme is making way too many shards
|
|
1
|
43
|
December 23, 2020
|
|
Facebook messenger asked at interview
|
|
13
|
5058
|
December 22, 2020
|
|
How server handle messages from different users chatting with same user?
|
|
3
|
168
|
September 21, 2020
|
|
How the DB schema will look like for storing messages for each users?
|
|
1
|
87
|
September 20, 2020
|
|
Database design of Facebook Messenger
|
|
11
|
2407
|
September 14, 2020
|
|
Message handling question
|
|
2
|
219
|
September 11, 2020
|
|
Why cannot server-sent-events be used in place of Long Polling or WebSockets?
|
|
2
|
299
|
September 11, 2020
|
|
Basic DB design
|
|
1
|
126
|
September 1, 2020
|
|
FB Messenger HBase Schema for Chat History?
|
|
1
|
95
|
August 3, 2020
|
|
Wide-column database further explanation
|
|
1
|
298
|
August 29, 2019
|
|
If messages is sharded based on user id, is there any difference in sharding on senderId or ReceiverId?
|
|
1
|
75
|
June 20, 2020
|
|
Sharding based on Tweet creation time
|
|
1
|
128
|
May 2, 2019
|
|
How do we maintain correct ordering between different users?
|
|
1
|
280
|
August 7, 2019
|
|
What if server goes down when it receives the message
|
|
1
|
125
|
November 26, 2019
|
|
Notification Servers
|
|
1
|
291
|
January 6, 2020
|
|
HBase is no "Magic"
|
|
1
|
232
|
January 6, 2020
|
|
How to show up the recovered Exchange server on Outlook PST?
|
|
1
|
87
|
March 12, 2020
|
|
Cache everything on the messaging server?
|
|
4
|
513
|
July 4, 2020
|
|
Difference between using PostgreSQL and Elastic Search?
|
|
2
|
299
|
April 20, 2020
|
|
Any best recommendation to calculate quickly storage and bandwidth estimation in interview
|
|
2
|
210
|
April 11, 2020
|
|
How and where do we generate sequence number with every message for each client?
|
|
2
|
479
|
January 23, 2019
|
|
When should you use Websockets vs Long polling?
|
|
2
|
484
|
January 22, 2019
|
|
What are the differences between these 2 options to store messages in BD?
|
|
3
|
1417
|
January 6, 2019
|
|
Protocols for Messenger oriented architecture
|
|
2
|
354
|
December 27, 2018
|