Re: Off-heap eviction configuration

[dkarachentsev]

Check your configuration. This code works perfectly well for me. If set page
eviction mode to disabled - IOOME will be thrown:

IgniteConfiguration igniteConfiguration = new IgniteConfiguration();

        DataStorageConfiguration dataStorageConfig = new
DataStorageConfiguration();

        long offHeapMemoryMax = 256 * 1024 * 1024;

        DataRegionConfiguration dataRegionConfig = new
DataRegionConfiguration();
        dataRegionConfig.setInitialSize((long) Math.ceil(0.2 *
offHeapMemoryMax)); // 20% of 256MB
        dataRegionConfig.setMaxSize(offHeapMemoryMax); // 256MB, for testing
purposes
       
dataRegionConfig.setPageEvictionMode(DataPageEvictionMode.RANDOM_2_LRU);
        dataRegionConfig.setEvictionThreshold(0.9);
        dataRegionConfig.setName("OffHeapRegion");

        // tried both default data region, and setting a data region list,
but neither
        dataStorageConfig.setDataRegionConfigurations(dataRegionConfig);
        igniteConfiguration.setDataStorageConfiguration(dataStorageConfig);

        CacheConfiguration cacheConfiguration = new CacheConfiguration();
        cacheConfiguration.setName("myCache");
        cacheConfiguration.setCacheMode(CacheMode.PARTITIONED);
        cacheConfiguration.setDataRegionName("OffHeapRegion");
        cacheConfiguration.setBackups(1);
        igniteConfiguration.setCacheConfiguration(cacheConfiguration);

        Ignite ignite = Ignition.start(igniteConfiguration);
        IgniteCache<Object, Object> cache =
ignite.getOrCreateCache("myCache");

        for (long i = Long.MIN_VALUE; i < Long.MAX_VALUE; i++)
            cache.put(i, new byte[1800]);

Thanks!
-Dmitry



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