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Make max length of _id field configurable. - ElasticSearch - [issue]
...This PR going to make max length of _id field configurable. This issue has been discussed in #16036.As a Cloud Elasticsearch Service provider, some of our cloud customers also complain about...
https://github.com/elastic/elasticsearch/pull/56873    Author: howardhuanghua , 2020-05-23, 02:19
Optimize complicated if-else in routing table. - ElasticSearch - [pullrequest]
...Optimize the complicated if-else logic in RoutingTable....
https://github.com/elastic/elasticsearch/pull/56870    Author: howardhuanghua , 2020-05-18, 14:31
Optimize complicated if-else in routing table. - ElasticSearch - [issue]
...Optimize the complicated if-else logic in RoutingTable....
https://github.com/elastic/elasticsearch/pull/56870    Author: howardhuanghua , 2020-05-18, 14:31
Make max length of _id field configurable. - ElasticSearch - [pullrequest]
...This PR going to make max length of _id field configurable. This issue has been discussed in #16036.As a Cloud Elasticsearch Service provider, some of our cloud customers also complain about...
https://github.com/elastic/elasticsearch/pull/56873    Author: howardhuanghua , 2020-05-17, 15:55
Enhance multiple data path shard allocation strategy - ElasticSearch - [issue]
...Current 6.x including master branch have issue with shard path allocation strategy in multiple data path scenario. If one of the path has most free space left, it will be allocated several t...
https://github.com/elastic/elasticsearch/pull/35931    Author: howardhuanghua , 2020-05-04, 22:47
Add single request circuit breaker. - ElasticSearch - [issue]
...Currently we have request circuit breaker, but all the query requests would share this memory limit pool, then requests would be impacted with each other.This PR introduced a single request ...
https://github.com/elastic/elasticsearch/pull/46962    Author: howardhuanghua , 2020-05-04, 22:40
Coordinate node memory checking during accumulating shard result response - ElasticSearch - [issue]
...About this PRCurrently we don't have circuit breaker checking on coordinate node. There are two main memory consumption parts on coordinate node:Accumulating shard results from other data no...
https://github.com/elastic/elasticsearch/pull/47806    Author: howardhuanghua , 2020-05-04, 22:39
Bucket aggregation circuit breaker optimization. - ElasticSearch - [issue]
...Bucket aggregation will consume a lot of memory on coordinate node if it has a huge number of resulting buckets. search.max_buckets setting could limit maximum number of buckets allowed in a...
https://github.com/elastic/elasticsearch/pull/46751    Author: howardhuanghua , 2020-01-31, 15:23
Optimize composite aggregation based on index sorting. - ElasticSearch - [issue]
...IssueCurrently composite aggregation could be optimized if the leading source field (the first field in sources) has terms (inverted index) or point values (BKD tree). However, some restrict...
https://github.com/elastic/elasticsearch/pull/48130    Author: howardhuanghua , 2020-01-20, 14:07
Cancel recoveries even if all shards assigned - ElasticSearch - [issue]
...IssueSometimes we need to perform rolling restart for some static configurations to take effect, or rolling restart to upgrade whole cluster. We have tested one of the cluster that has 6 nod...
https://github.com/elastic/elasticsearch/pull/46520    Author: howardhuanghua , 2019-10-29, 00:45