Paul Chen

icon indicating a website link https://www.linkedin.com/in/paul-chen-a81ab688/

icon company Huawei Canada Research Center icon location Toronto, Canada icon location Distinguished Engineer, Chief Architect, Cloud Services R&D at Huawei Technologies Canada Co., Ltd

Results 29 comments of Paul Chen

Enable eviction tenacity feature for storage providers

@JohnSully we tried with this fix and just let you know it works fine for us. Thanks.

[Crashed] trigger repl_curr_off!= master_repl_offset assert failure when having pending write cases

@JohnSully @benschermel John and Ben, i found a crash which happens only where there are pending writes on the client, and it triggers an assert failure. Please review the fix....

[Crashed] trigger repl_curr_off!= master_repl_offset assert failure when having pending write cases

@JohnSully @benschermel John and Ben, based on our discussion, I changed to using LL_DEBUG. Please merge it. Thank you.

[Crashed] trigger repl_curr_off!= master_repl_offset assert failure when having pending write cases

@JohnSully @benschermel John and Ben, a reminder please review and merge this fix. Thank you.

Maxmemory key evictions could cause CPU starvation during the heavy workload

[maxmemory eviction cpu starvation.docx](https://github.com/Snapchat/KeyDB/files/8748056/maxmemory.eviction.cpu.starvation.docx) Attached a screenshot of "0 qps" reported by the memtier client when running the maxmemory eviction process.

[BUG] Moves key to another DB, the source key was removed if the move failed due to the key exists in the destination db

@JohnSully add John to the issue here. tx

[BUG] Moves key to another DB, the source key was removed if the move failed due to the key exists in the destination db

@JohnSully here is the commit 118ae701f57897dfa7a47755d1983705ac94755a , please review it. Thanks.

[BUG] flushall async took 60 seconds in flash use case when the redis.conf configures 256 databases

@JohnSully fyi John.

[BUG] flushall async took 60 seconds in flash use case when the redis.conf configures 256 databases

Here is a workaround fix https://github.com/Snapchat/KeyDB/commit/fb0c8e475f02d1391ab5e93af68745e2fbee34f1

[BUG] Inability to write when reached maxmemory in FLASH mode

It sounds running out of the replication buffer hard limit and triggers a fast fullsync (check your log for confirmation). Increasing the replication hardlimit in your conf will help if...