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| <h2 title="Annotation Type ComputeTaskNoResultCache" class="title">Annotation Type ComputeTaskNoResultCache</h2> |
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| <pre><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/annotation/Documented.html?is-external=true" title="class or interface in java.lang.annotation">@Documented</a> |
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| public @interface <span class="strong">ComputeTaskNoResultCache</span></pre> |
| <div class="block">This annotation disables caching of task results when attached to <a href="../../../../org/apache/ignite/compute/ComputeTask.html" title="interface in org.apache.ignite.compute"><code>ComputeTask</code></a> class |
| being executed. Use it when number of jobs within task grows too big, or jobs themselves |
| are too large to keep in memory throughout task execution. By default all results are cached and passed into |
| <a href="../../../../org/apache/ignite/compute/ComputeTask.html#result(org.apache.ignite.compute.ComputeJobResult,%20java.util.List)"><code>ComputeTask.result(ComputeJobResult, List<ComputeJobResult>)</code></a> |
| method or <a href="../../../../org/apache/ignite/compute/ComputeTask.html#reduce(java.util.List)"><code>ComputeTask.reduce(List<ComputeJobResult>)</code></a> method. |
| When this annotation is attached to a task class, then this list of job results will always be empty. |
| <p> |
| Note that if this annotation is attached to a task class, then job siblings list is not maintained |
| and always has size of <code>0</code>. This is done to make sure that in case if task emits large |
| number of jobs, list of jobs siblings does not grow. This only affects the following methods |
| on <a href="../../../../org/apache/ignite/compute/ComputeTaskSession.html" title="interface in org.apache.ignite.compute"><code>ComputeTaskSession</code></a>: |
| <ul> |
| <li><a href="../../../../org/apache/ignite/compute/ComputeTaskSession.html#getJobSiblings()"><code>ComputeTaskSession.getJobSiblings()</code></a></li> |
| <li><a href="../../../../org/apache/ignite/compute/ComputeTaskSession.html#getJobSibling(org.apache.ignite.lang.IgniteUuid)"><code>ComputeTaskSession.getJobSibling(org.apache.ignite.lang.IgniteUuid)</code></a></li> |
| <li><a href="../../../../org/apache/ignite/compute/ComputeTaskSession.html#refreshJobSiblings()"><code>ComputeTaskSession.refreshJobSiblings()</code></a></li> |
| </ul> |
| |
| Use this annotation when job results are too large to hold in memory and can be discarded |
| after being processed in |
| <a href="../../../../org/apache/ignite/compute/ComputeTask.html#result(org.apache.ignite.compute.ComputeJobResult,%20java.util.List)"><code>ComputeTask.result(ComputeJobResult, List<ComputeJobResult>)</code></a> |
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