[I] [Question] 写入失败&超时 [incubator-hugegraph]

[via GitHub]

hexuxu110 opened a new issue, #2700:
URL: https://github.com/apache/incubator-hugegraph/issues/2700

   ### Problem Type (问题类型)
   
   performance (性能优化)
   
   ### Before submit
   
   - [X] 我已经确认现有的 [Issues](https://github.com/apache/hugegraph/issues) 与 
[FAQ](https://hugegraph.apache.org/docs/guides/faq/) 中没有相同 / 重复问题 (I have 
confirmed and searched that there are no similar problems in the historical 
issue and documents)
   
   ### Environment (环境信息)
   
   - Server Version: 1.0.0 (Apache Release Version)
   - Backend: RocksDB x nodes, HDD or SSD 
   - OS: 128 CPUs,1024 G RAM,   CentOS 7.2
   - Data Size:   (like 50亿 点, 50亿 边) -->
   
   
   ### Your Question (问题描述)
   
   
   public class EventHub {
   
       private static final Logger LOG = Log.logger(EventHub.class);
   
       public static final String EVENT_WORKER = "event-worker-%d";
       public static final String ANY_EVENT = "*";
   
       private static final List<EventListener> EMPTY = ImmutableList.of();
   
       // Event executor
       private static ExecutorService executor = null;
   
       private String name;
       private Map<String, List<EventListener>> listeners;
   
       public EventHub() {
           this("hub");
       }
   
       public EventHub(String name) {
           this(name, 1);
       }
   
   
   
往hugegraph里面写数据，写数据会涉及更换图缓存，图数据相关操作，都是用eventhub来处理，但这里老是单线程池，来不及处理，导致大部分写入操作放在了单线程池的阻塞队列，该阻塞队列占用大量内存，导致后面写入操作申请不到内容，从而导致写入失败，我看你们已经把这块修复了，但是1.3.0版本还是单线程池，希望快速发布这个改动
   
   ### Vertex/Edge example (问题点 / 边数据举例)
   
   ```javascript
   public class EventHub {
   
       private static final Logger LOG = Log.logger(EventHub.class);
   
       public static final String EVENT_WORKER = "event-worker-%d";
       public static final String ANY_EVENT = "*";
   
       private static final List<EventListener> EMPTY = ImmutableList.of();
   
       // Event executor
       private static ExecutorService executor = null;
   
       private String name;
       private Map<String, List<EventListener>> listeners;
   
       public EventHub() {
           this("hub");
       }
   
       public EventHub(String name) {
           this(name, 1);
       }
   ```
   
   
   ### Schema [VertexLabel, EdgeLabel, IndexLabel] (元数据结构)
   
   ```javascript
   无
   ```
   


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