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| <h2 title="Class ExpirationHandler" class="title">Class ExpirationHandler</h2> |
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| <pre>public class <span class="typeNameLabel">ExpirationHandler</span> |
| extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></pre> |
| <div class="block">Iceberg table generates metadata for each modification operation: |
| snapshot, manifest file, table metadata file. Also when performing delete operation, |
| previously stored data files are not deleted. These files with the time |
| can occupy lots of space. |
| <p/> |
| Table metadata in Iceberg is expired automatically |
| if <code>TableProperties.METADATA_DELETE_AFTER_COMMIT_ENABLED</code> set to true. |
| Number of metadata files to be retained is configured using <code>TableProperties.METADATA_PREVIOUS_VERSIONS_MAX</code>. |
| Snapshots and data expiration should be called manually to align with metadata expiration process, |
| the same table properties are used to determine if expiration is needed and which number |
| of snapshots should be retained.</div> |
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| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/metastore/iceberg/operate/ExpirationHandler.html#ExpirationHandler-org.apache.iceberg.Table-">ExpirationHandler</a></span>(org.apache.iceberg.Table table)</code> </td> |
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| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/metastore/iceberg/operate/ExpirationHandler.html#expire--">expire</a></span>()</code> |
| <div class="block">Expires snapshots and related data if needed |
| based on the given table properties values.</div> |
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| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/metastore/iceberg/operate/ExpirationHandler.html#expireQuietly--">expireQuietly</a></span>()</code> |
| <div class="block">Expires snapshots and related data and ignores possible exceptions.</div> |
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| <pre>public ExpirationHandler(org.apache.iceberg.Table table)</pre> |
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| <pre>public void expire()</pre> |
| <div class="block">Expires snapshots and related data if needed |
| based on the given table properties values.</div> |
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| <pre>public void expireQuietly()</pre> |
| <div class="block">Expires snapshots and related data and ignores possible exceptions.</div> |
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