Examples with SyncStrategy org.apache.solr.cloud.SyncStrategy used on opensource projects

Example 1 with SyncStrategy

use of org.apache.solr.cloud.SyncStrategy in project lucene-solr by apache.

the class RequestSyncShardOp method execute.

@Override
public void execute(CallInfo it) throws Exception {
    final SolrParams params = it.req.getParams();
    log.info("I have been requested to sync up my shard");
    ZkController zkController = it.handler.coreContainer.getZkController();
    if (zkController == null) {
        throw new SolrException(SolrException.ErrorCode.BAD_REQUEST, "Only valid for SolrCloud");
    }
    String cname = params.get(CoreAdminParams.CORE);
    if (cname == null) {
        throw new IllegalArgumentException(CoreAdminParams.CORE + " is required");
    }
    SyncStrategy syncStrategy = null;
    try (SolrCore core = it.handler.coreContainer.getCore(cname)) {
        if (core != null) {
            syncStrategy = new SyncStrategy(core.getCoreContainer());
            Map<String, Object> props = new HashMap<>();
            props.put(ZkStateReader.BASE_URL_PROP, zkController.getBaseUrl());
            props.put(ZkStateReader.CORE_NAME_PROP, cname);
            props.put(ZkStateReader.NODE_NAME_PROP, zkController.getNodeName());
            boolean success = syncStrategy.sync(zkController, core, new ZkNodeProps(props), true).isSuccess();
            // solrcloud_debug
            if (log.isDebugEnabled()) {
                try {
                    RefCounted<SolrIndexSearcher> searchHolder = core.getNewestSearcher(false);
                    SolrIndexSearcher searcher = searchHolder.get();
                    try {
                        log.debug(core.getCoreContainer().getZkController().getNodeName() + " synched " + searcher.search(new MatchAllDocsQuery(), 1).totalHits);
                    } finally {
                        searchHolder.decref();
                    }
                } catch (Exception e) {
                    log.debug("Error in solrcloud_debug block", e);
                }
            }
            if (!success) {
                throw new SolrException(SolrException.ErrorCode.SERVER_ERROR, "Sync Failed");
            }
        } else {
            SolrException.log(log, "Could not find core to call sync:" + cname);
        }
    } finally {
        // no recoveryStrat close for now
        if (syncStrategy != null) {
            syncStrategy.close();
        }
    }
}