Users' questions

What is Ehcache replication?

What is Ehcache replication?

The Ehcache jmsreplication module lets organisations with a message queue investment leverage it for caching. It provides replication between cache nodes using a replication topic, pushing of data directly to cache nodes from external topic publishers, and a JMSCacheLoader, which sends cache load requests to a queue.

How does distributed cache work?

A distributed cache is a system that pools together the random-access memory (RAM) of multiple networked computers into a single in-memory data store used as a data cache to provide fast access to data. Distributed caches are especially useful in environments with high data volume and load.

Is Spring cache distributed?

Java distributed cache is essentially an in-memory key-value store, therefore each method innovation should translate to a suitable unique key for the access. To generate these cache keys NCache Spring distributed cache provider uses the combination of class name, method and arguments.

Is ehcache in-memory?

In this article, we will introduce Ehcache, a widely used, open-source Java-based cache. It features memory and disk stores, listeners, cache loaders, RESTful and SOAP APIs and other very useful features.

Is Ehcache in memory?

Who uses Ehcache?

8 companies reportedly use Ehcache in their tech stacks, including Wongnai, Nuxeo, and Insoft.

Is clustering using Terracotta?

Starting with webMethods 8.2. 2, Terracotta was introduced as a clustering and caching solution that offered both functional and architectural advantages, as shown in Table 1.

Where is distributed cache used?

Distributed caches are especially useful in environments with high data volume and load….What Are Popular Use Cases for a Distributed Cache?

  1. Application acceleration.
  2. Storing web session data.
  3. Decreasing network usage/costs.
  4. Reducing the impact of interruptions.
  5. Extreme scaling.

When would you use a distributed cache?

In computing, a distributed cache is an extension of the traditional concept of cache used in a single locale. A distributed cache may span multiple servers so that it can grow in size and in transactional capacity. It is mainly used to store application data residing in database and web session data.

Which is the maximum cache size in Ehcache?

The L2 size is effectively the maximum cache size. ‘localTempSwap’ configures overflow to the local DiskStore. When using Terracotta, the local DiskStore is not used, and the cache should be configured for ‘distributed’ persistence strategy.

Which is the best definition of a replicated database?

A replicated database is a destination database which a source database copies all or part of its objects and data to. This can be a one time copy, or a continuous copy, and in some cases the destination database can copy changes back to the source copy. A distributed database is a database which is shared over more than one physical…

How does updatingcacheentryfactory work in Ehcache?

It is safer to retrieve a value, delete the cache element and then reinsert the value. The UpdatingCacheEntryFactory does work by modifying the contents of values in place in the cache. This is outside of the core of Ehcache and is targeted at high performance CacheEntryFactories for SelfPopulatingCaches.

Is there a way to auto version Ehcache?

Distributed caches or caches that use off-heap or disk stores cannot use auto-versioning. To enable auto-versioning, set the system property net.sf.ehcache.element.version.auto to true (it is false by default). Manual (user provided) versioning of cache elements is ignored when auto-versioning is in effect.