Apache Ignite 2.7.6 release, distributed database, caching and processing platform

Apache Ignite 2.7.6 released, Ignite is a memory-centric distributed to HTAP database, caching and processing platforms, support services, analysis and streaming load, you can enjoy the memory-class performance on the PB-level data. 

This is a small version of the update, mainly to solve the following problems:

Ignite:

  • When IGNITE_HOME not configured, adjust the default directory persistence, persistence native files are no longer stored in the temporary directory;
  • Repair performed using the equations on the part of the primary key of the composite SELECT query predicate, even if a plurality of lines will match the return of a single row of data;
  • Fixed an issue during the execution of the checkpoint may cause data corruption;
  • Fixed group shared cache line size calculation error, resulting in the problem tree damage;
  • To reduce the Java heap footprint by optimizing GridDhtPartitionsFullMessage mapping in exchange history;
  • Fixed holding destroyed a cache of outdated cluster node failure causes problems;
  • After the repair of the existing indexes and delete other values ​​reconstruction, the problem can not change the existing indexes inline_size property;
  • Repair could cause problems control.sh script can not be executed when JAVA_HOME is not set;
  • Fixed opens the problem may be caused when a node failure persistence and disable WAL MMAP;
  • Fixed an issue where killed in checkpoint marking phase node may result in damage to the PDS;

Ignite .NET:

  • Native persistence can now use a custom mapping function;
  • Fixed CacheEntryEventType.Removed event missing.

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Origin www.oschina.net/news/110019/apache-ignite-2-7-6-released