如何為Apache Ignite緩存配置持久性存儲？

Question

我正在嘗試為Apache Ignite配置持久性存儲，以使我的IgniteCache實例在應用程序重啟時不會丟失數據。 我的設置是一個從我的代碼開始的本地單節點群集，如下所示：

IgniteConfiguration cfg = new IgniteConfiguration();
cfg.setWorkDirectory("C:\\ignite");

// Ignite persistence configuration.
DataStorageConfiguration storageCfg = new DataStorageConfiguration();
storageCfg.setStoragePath("ignitedb/storage");
storageCfg.setWalPath("ignitedb/wal");
storageCfg.setWalArchivePath("ignitedb/wal/archive");

// Enabling the persistence.

storageCfg.getDefaultDataRegionConfiguration().setPersistenceEnabled(true);

// Applying settings.
cfg.setDataStorageConfiguration(storageCfg);

Ignite ignite = Ignition.getOrStart(cfg);
ignite.active(true);
// Get all server nodes that are already up and running.
Collection<ClusterNode> nodes = ignite.cluster().forServers().nodes();
// Set the baseline topology that is represented by these nodes.
ignite.cluster().setBaselineTopology(nodes);
return ignite;

緩存是這樣創建的：

cacheConfiguration = new CacheConfiguration<>();
cacheConfiguration.setBackups(1);
cacheConfiguration.setAtomicityMode(CacheAtomicityMode.ATOMIC);
cacheConfiguration.setName("UserCache");
cacheConfiguration.setCacheMode(CacheMode.LOCAL);
cacheConfiguration.setReadFromBackup(true);
cacheConfiguration.setWriteSynchronizationMode(CacheWriteSynchronizationMode.FULL_SYNC);
cacheConfiguration.setIndexedTypes(String.class, User.class);
IgniteCache<String, User> cache = ignite.getOrCreateCache(cacheConfiguration);

在緩存中存儲User對象的工作原理。 Ignite在C:\\ignite下創建目錄結構。 但是在應用重啟時，所有數據都會丟失。 如何正確配置？

Answer 1

似乎根本原因是LOCAL緩存模式。 嘗試使用REPLICATED或PARTITIONED ： https : //apacheignite.readme.io/docs/cache-modes