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UrlsController
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- Update the "testDatabaseName" property. 

- Code polishing.
This commit is contained in:
Lampros Smyrnaios 2023-04-26 19:33:28 +03:00
parent d7797eaaf6
commit 55ea5118ac
5 changed files with 22 additions and 17 deletions
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5
src/main/java/eu/openaire/urls_controller/configuration/ImpalaConnector.java
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@ -47,6 +47,7 @@ public class ImpalaConnector {
} catch (Exception e) {
logger.error("Error testing if database supports batch updates!", e);
}
createDatabase(); // In case of an exception, the App will exit with the stacktrace.
}
@ -66,6 +67,10 @@ public class ImpalaConnector {
jdbcTemplate.execute("CREATE TABLE IF NOT EXISTS " + testDatabaseName + ".publication_urls stored as parquet as select * from " + initialDatabaseName + ".publication_urls");
jdbcTemplate.execute("COMPUTE STATS " + testDatabaseName + ".publication_urls");
// TODO - Should we add the "publication_oids" table? Will it be used in the "getAssignments" query?
jdbcTemplate.execute("CREATE TABLE IF NOT EXISTS " + testDatabaseName + ".datasource stored as parquet as select * from " + initialDatabaseName + ".datasource");
jdbcTemplate.execute("COMPUTE STATS " + testDatabaseName + ".datasource");

27
src/main/java/eu/openaire/urls_controller/services/UrlsServiceImpl.java
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@ -86,7 +86,7 @@ public class UrlsServiceImpl implements UrlsService {
{
// Create the Assignments from the id-urls stored in the database up to the < assignmentsLimit >.
String findAssignmentsQuery =
"select pubid, url, datasourceid, datasourcename\n" +
"select pubid, url, datasourceid, datasourcename\n" + // The datsourceName is currently not used. It may be used by the Worker, in the future to apply a datasource-specific aggregation plugin to take the full-texts quickly, instead of using the general crawling one.
"from (select distinct pubid, url, datasourceid, datasourcename, attempt_count, pub_year\n" +
" from (select p.id as pubid, p.year as pub_year, pu.url as url, d.id as datasourceid, d.name as datasourcename, attempts.counts as attempt_count\n" +
" from " + ImpalaConnector.databaseName + ".publication p\n" +
@ -94,17 +94,19 @@ public class UrlsServiceImpl implements UrlsService {
" join " + ImpalaConnector.databaseName + ".datasource d on d.id=p.datasourceid\n" +
" left outer join (select count(a.id) as counts, a.id from " + ImpalaConnector.databaseName + ".attempt a group by a.id) as attempts\n" +
" on attempts.id=p.id\n" +
" left outer join (select a.id, a.original_url from " + ImpalaConnector.databaseName + ".assignment a\n" +
" union all\n" +
" select pl.id, pl.original_url from " + ImpalaConnector.databaseName + ".payload pl) as existing\n" + // Here we access the payload-VIEW which includes the three payload-tables.
" left outer join (\n" +
" select a.id, a.original_url from " + ImpalaConnector.databaseName + ".assignment a\n" +
" union all\n" +
" select pl.id, pl.original_url from " + ImpalaConnector.databaseName + ".payload pl\n" +
" ) as existing\n" + // Here we access the payload-VIEW which includes the three payload-tables.
" on existing.id=p.id and existing.original_url=pu.url\n" +
" where d.allow_harvest=true and existing.id is null\n" +
" where d.allow_harvest=true and existing.id is null\n" +
((excludedDatasourceIDsStringList != null) ? // If we have an exclusion-list, use it below.
(" and d.id not in " + excludedDatasourceIDsStringList + "\n") : "") +
" and coalesce(attempts.counts, 0) <= " + maxAttemptsPerRecordAtomic.get() + "\n" +
" and not exists (select 1 from " + ImpalaConnector.databaseName + ".attempt a where a.id=p.id and a.error_class = 'noRetry' limit 1)\n" +
" and pu.url != '' and pu.url is not null\n" + // Some IDs have empty-string urls, there are no "null" urls, but keep the relevant check for future-proofing.
" limit " + (assignmentsLimit * 10) + ")\n" +
(" and d.id not in " + excludedDatasourceIDsStringList + "\n") : "") +
" and coalesce(attempts.counts, 0) <= " + maxAttemptsPerRecordAtomic.get() + "\n" +
" and not exists (select 1 from " + ImpalaConnector.databaseName + ".attempt a where a.id=p.id and a.error_class = 'noRetry' limit 1)\n" +
" and pu.url != '' and pu.url is not null\n" + // Some IDs have empty-string urls, there are no "null" urls, but keep the relevant check for future-proofing.
" limit " + (assignmentsLimit * 10) + ")\n" +
" as non_distinct_results\n" +
" order by coalesce(attempt_count, 0), coalesce(pub_year, 0) desc, reverse(pubid), url\n" +
" limit " + assignmentsLimit + ")\n" +
@ -114,7 +116,7 @@ public class UrlsServiceImpl implements UrlsService {
// The "order by" in the end makes sure the older attempted records will be re-attempted after a long time.
//logger.debug("findAssignmentsQuery:\n" + findAssignmentsQuery); // DEBUG!
String getAssignmentsQuery = "select * from " + ImpalaConnector.databaseName + ".current_assignment";
final String getAssignmentsQuery = "select * from " + ImpalaConnector.databaseName + ".current_assignment";
List<Assignment> assignments = new ArrayList<>(assignmentsLimit);
@ -166,9 +168,8 @@ public class UrlsServiceImpl implements UrlsService {
return ResponseEntity.status(HttpStatus.INTERNAL_SERVER_ERROR).body(errorMsg);
} else
return ResponseEntity.status(HttpStatus.MULTI_STATUS).body(new AssignmentsResponse((long) -1, null));
} else if ( assignmentsSize < assignmentsLimit ) {
} else if ( assignmentsSize < assignmentsLimit )
logger.warn("The retrieved results were fewer (" + assignmentsSize + ") than the \"assignmentsLimit\" (" + assignmentsLimit + "), for worker with id: " + workerId + ". Will increase the \"maxAttempts\" to " + maxAttemptsPerRecordAtomic.incrementAndGet() + " for the next requests.");
}
logger.debug("Finished gathering " + assignmentsSize + " assignments for worker with id \"" + workerId + "\". Going to insert them into the \"assignment\" table and then return them to the worker.");

2
src/main/java/eu/openaire/urls_controller/util/FileUtils.java
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@ -125,7 +125,7 @@ public class FileUtils {
return UploadFullTextsResponse.unsuccessful;
}
String remoteAddr = request.getHeader("X-FORWARDED-FOR");
if ( remoteAddr == null || "".equals(remoteAddr) )
if ( (remoteAddr == null) || "".equals(remoteAddr) )
remoteAddr = request.getRemoteAddr();
// Get the file-locations.

3
src/main/java/eu/openaire/urls_controller/util/UriBuilder.java
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@ -31,8 +31,7 @@ public class UriBuilder {
baseUrl += sslEnabled.equals("true") ? "s" : "";
baseUrl += "://";
ip = getPublicIP();
if ( ip == null )
if ( (ip = getPublicIP()) == null )
ip = InetAddress.getLoopbackAddress().getHostAddress(); // Non-null.
baseUrl += ip + ":" + webServerAppCtxt.getWebServer().getPort();

2
src/main/resources/application.yml
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@ -14,7 +14,7 @@ services:
db:
initialDatabaseName: pdfaggregation_i
testDatabaseName: pdfaggregationdatabase_payloads_view
testDatabaseName: pdfaggregationdatabase_payloads_view_test
assignmentLimit: 10000
maxAttemptsPerRecord: 3