Xinyi Zou
Xinyi Zou
# Proposed changes Issue Number: close #xxx ## Problem summary 1. Before jemalloc was compiled with arrow, it was compiled separately 2. Modify the default parameters of jemalloc to achieve...
[enhancement](memtracker) Add special counter for memtracker and fix thread create and destroy track
# Proposed changes Issue Number: close #xxx ## Problem summary 1. Add a special counter for memtracker, faster, but relaxed ordering and not accurate in real time 2. Track thread...
# Proposed changes Issue Number: close #xxx ## Problem summary #### motivation In the past, only simple predicates (`slot=const`), `and`, `like`, `or` (only bitmap index) could be pushed down to...
# Proposed changes Issue Number: close #xxx ## Problem summary Modify the default value of `mem_limit` to auto. `auto` means process mem limit is equal to max(physical mem * 0.9,...
# Proposed changes Issue Number: close #xxx ## Problem summary 1. ECB algorithm, `block_encryption_mode` does not take effect, it only takes effect when init vector is provided. Solved: 192/256 supports...
### Search before asking - [X] I had searched in the [issues](https://github.com/apache/doris/issues?q=is%3Aissue) and found no similar issues. ### Description ## Goal Compatible with Mysql grammar in new optimizer Nereids, **support...
## Proposed changes Storage page cache uses plain LRU Cache, occasional batch operations can cause "cache pollution" in plain LRU Cache. This will cause hotspot data to be squeezed out...
## Proposed changes when process memory exceed limit, page cache may not prune in time. ## Further comments If this is a relatively large or complex change, kick off the...
## Proposed changes If enable_query_enforce_exec is false, BE process exceed memory limit will reject new Query execution ``` mysql [tpch]>select count(s_name), s_name from supplier group by s_name limit 10; ERROR...
## Proposed changes SCOPED_ATTACH_TASK cannot be nested, but SCOPED_SWITCH_THREAD_MEM_TRACKER_LIMITER can continue to be called, so `attach_limiter_tracker` may be nested. ## Further comments If this is a relatively large or complex...