mirror of https://github.com/apache/lucene.git
SOLR-14022: Deprecate CDCR
This commit is contained in:
Ishan Chattopadhyaya
parent
3f9cc227f1
commit
7c593b1940
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@ -436,6 +436,8 @@ Other Changes
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* SOLR-14541: Ensure classes that implement equals implement hashCode or suppress warnings
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(gezapeti, Ilan Ginsburg, Erick Erickson)
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* SOLR-14022: Deprecate CDCR (Joel Bernstein, Ishan Chattopadhyaya)
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================== 8.5.2 ==================
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Consult the LUCENE_CHANGES.txt file for additional, low level, changes in this release.
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@ -32,7 +32,9 @@ import java.nio.charset.Charset;
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/**
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* Manage the state of the update log buffer. It is responsible of synchronising the state
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* through Zookeeper. The state of the buffer is stored in the zk node defined by {@link #getZnodePath()}.
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* @deprecated since 8.6
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*/
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@Deprecated(since = "8.6")
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class CdcrBufferStateManager extends CdcrStateManager {
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private CdcrParams.BufferState state = DEFAULT_STATE;
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@ -36,7 +36,9 @@ import org.slf4j.LoggerFactory;
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* It takes care of notifying the {@link CdcrReplicatorManager} in case
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* of a leader state change.
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* </p>
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* @deprecated since 8.6
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*/
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@Deprecated(since = "8.6")
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class CdcrLeaderStateManager extends CdcrStateManager {
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private boolean amILeader = false;
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@ -36,7 +36,9 @@ import org.slf4j.LoggerFactory;
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* It takes care of notifying the {@link CdcrReplicatorManager} in case
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* of a process state change.
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* </p>
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* @deprecated since 8.6
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*/
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@Deprecated(since = "8.6")
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class CdcrProcessStateManager extends CdcrStateManager {
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private CdcrParams.ProcessState state = DEFAULT_STATE;
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@ -39,7 +39,9 @@ import static org.apache.solr.common.params.CommonParams.VERSION_FIELD;
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* The replication logic. Given a {@link org.apache.solr.handler.CdcrReplicatorState}, it reads all the new entries
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* in the update log and forward them to the target cluster. If an error occurs, the replication is stopped and
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* will be tried again later.
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* @deprecated since 8.6
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*/
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@Deprecated(since = "8.6")
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public class CdcrReplicator implements Runnable {
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private final CdcrReplicatorState state;
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@ -56,6 +56,7 @@ import org.slf4j.LoggerFactory;
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import static org.apache.solr.handler.admin.CoreAdminHandler.RESPONSE_STATUS;
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@Deprecated(since = "8.6")
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class CdcrReplicatorManager implements CdcrStateManager.CdcrStateObserver {
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private static final int MAX_BOOTSTRAP_ATTEMPTS = 5;
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@ -107,7 +107,9 @@ import static org.apache.solr.handler.admin.CoreAdminHandler.RUNNING;
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* Known limitations: The source and target clusters must have the same topology. Replication between clusters
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* with a different number of shards will likely results in an inconsistent index.
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* </p>
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* @deprecated since 8.6
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*/
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@Deprecated(since = "8.6")
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public class CdcrRequestHandler extends RequestHandlerBase implements SolrCoreAware {
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private static final Logger log = LoggerFactory.getLogger(MethodHandles.lookup().lookupClass());
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@ -133,6 +135,8 @@ public class CdcrRequestHandler extends RequestHandlerBase implements SolrCoreAw
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public void init(@SuppressWarnings({"rawtypes"})NamedList args) {
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super.init(args);
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log.warn("CDCR (in its current form) is deprecated as of 8.6 and shall be removed in 9.0. See SOLR-14022 for details.");
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if (args != null) {
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// Configuration of the Update Log Synchronizer
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Object updateLogSynchonizerParam = args.get(CdcrParams.UPDATE_LOG_SYNCHRONIZER_PARAM);
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@ -43,7 +43,9 @@ import org.slf4j.LoggerFactory;
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* decoded and reuse if the tlog file is reopened. This is achieved by extending the constructor, and the
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* methods {@link #writeCommit(CommitUpdateCommand)} and {@link #getReader(long)}.</li>
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* </ul>
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* @deprecated since 8.6
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*/
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@Deprecated(since = "8.6")
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public class CdcrTransactionLog extends TransactionLog {
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private boolean isReplaying;
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@ -36,7 +36,9 @@ import org.slf4j.LoggerFactory;
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* for every updates. This ensures that the version parameter sent by the source cluster is kept
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* by the target cluster.
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* </p>
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* @deprecated since 8.6
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*/
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@Deprecated(since = "8.6")
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public class CdcrUpdateProcessor extends DistributedZkUpdateProcessor {
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public static final String CDCR_UPDATE = "cdcr.update";
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@ -17,6 +17,8 @@
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// specific language governing permissions and limitations
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// under the License.
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WARNING: This feature (in its current form) is deprecated as of 8.6 and shall be removed in 9.0. See SOLR-14022 for details.
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Cross Data Center Replication (CDCR) allows you to create multiple SolrCloud data centers and keep them in sync.
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== What is CDCR?
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@ -85,6 +85,10 @@ For more information about how to use this, see the section <<exporting-result-s
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* The `stats`, `facet`, and `timeseries` expressions now support percentiles and standard deviation aggregations.
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*Deprecations*
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* Cross Data Center Replication (CDCR), in its current form, is deprecated and is scheduled to be removed in 9.0. Please refer to SOLR-14022.
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=== Solr 8.5
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See the https://cwiki.apache.org/confluence/display/SOLR/ReleaseNote85[8.5 Release Notes]
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