Defer large term delta adds (#1736)

* Defer large term delta adds

* Add changelog
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James Agnew 2020-02-28 14:41:15 -05:00 committed by GitHub
parent 5bc554949b
commit 8c78e465b1
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3 changed files with 96 additions and 21 deletions

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@ -0,0 +1,7 @@
---
type: add
issue: 1736
title: When performing large terminology concept additions via the delta addition service, concepts will
now be added via the deferred storage service, meaning that they will be added in small incremental batches
instead of as a part of one large transaction. This helps to avoid timeouts and memory issues when uploading
large collections of concepts.

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@ -45,7 +45,6 @@ import ca.uhn.fhir.jpa.term.api.ITermDeferredStorageSvc;
import ca.uhn.fhir.jpa.term.api.ITermReadSvc;
import ca.uhn.fhir.jpa.term.api.ITermVersionAdapterSvc;
import ca.uhn.fhir.jpa.term.custom.CustomTerminologySet;
import ca.uhn.fhir.jpa.util.ScrollableResultsIterator;
import ca.uhn.fhir.rest.api.Constants;
import ca.uhn.fhir.rest.api.server.RequestDetails;
import ca.uhn.fhir.rest.server.exceptions.InvalidRequestException;
@ -53,11 +52,7 @@ import ca.uhn.fhir.rest.server.exceptions.UnprocessableEntityException;
import ca.uhn.fhir.util.ObjectUtil;
import ca.uhn.fhir.util.StopWatch;
import ca.uhn.fhir.util.ValidateUtil;
import com.google.common.collect.ArrayListMultimap;
import com.google.common.collect.ListMultimap;
import org.apache.commons.lang3.Validate;
import org.hibernate.ScrollMode;
import org.hibernate.ScrollableResults;
import org.hl7.fhir.instance.model.api.IIdType;
import org.hl7.fhir.r4.model.CodeSystem;
import org.hl7.fhir.r4.model.ConceptMap;
@ -78,11 +73,6 @@ import javax.annotation.Nonnull;
import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;
import javax.persistence.PersistenceContextType;
import javax.persistence.TypedQuery;
import javax.persistence.criteria.CriteriaBuilder;
import javax.persistence.criteria.CriteriaQuery;
import javax.persistence.criteria.Predicate;
import javax.persistence.criteria.Root;
import java.util.*;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicInteger;
@ -165,11 +155,12 @@ public class TermCodeSystemStorageSvcImpl implements ITermCodeSystemStorageSvc {
IIdType codeSystemId = cs.getResource().getIdDt();
UploadStatistics retVal = new UploadStatistics(codeSystemId);
HashMap<String, TermConcept> codeToConcept = new HashMap<>();
// Add root concepts
for (TermConcept nextRootConcept : theAdditions.getRootConcepts()) {
List<String> parentCodes = Collections.emptyList();
addConcept(csv, parentCodes, nextRootConcept, retVal, true, 0);
addConceptInHierarchy(csv, parentCodes, nextRootConcept, retVal, codeToConcept, 0);
}
return retVal;
@ -445,7 +436,7 @@ public class TermCodeSystemStorageSvcImpl implements ITermCodeSystemStorageSvc {
Validate.isTrue(myContext.getVersion().getVersion().isEqualOrNewerThan(FhirVersionEnum.DSTU3), "Terminology operations only supported in DSTU3+ mode");
}
private void addConcept(TermCodeSystemVersion theCsv, Collection<String> theParentCodes, TermConcept theConceptToAdd, UploadStatistics theStatisticsTracker, boolean theRootConcept, int theSequence) {
private void addConceptInHierarchy(TermCodeSystemVersion theCsv, Collection<String> theParentCodes, TermConcept theConceptToAdd, UploadStatistics theStatisticsTracker, Map<String, TermConcept> theCodeToConcept, int theSequence) {
TermConcept conceptToAdd = theConceptToAdd;
List<TermConceptParentChildLink> childrenToAdd = theConceptToAdd.getChildren();
@ -470,15 +461,18 @@ public class TermCodeSystemStorageSvcImpl implements ITermCodeSystemStorageSvc {
for (String nextParentCode : theParentCodes) {
// Don't add parent links that already exist for the code
if (existingParentLinks.stream().anyMatch(t->t.getParent().getCode().equals(nextParentCode))) {
if (existingParentLinks.stream().anyMatch(t -> t.getParent().getCode().equals(nextParentCode))) {
continue;
}
Optional<TermConcept> nextParentOpt = myConceptDao.findByCodeSystemAndCode(theCsv, nextParentCode);
if (nextParentOpt.isPresent() == false) {
TermConcept nextParentOpt = theCodeToConcept.get(nextParentCode);
if (nextParentOpt == null) {
nextParentOpt = myConceptDao.findByCodeSystemAndCode(theCsv, nextParentCode).orElse(null);
}
if (nextParentOpt == null) {
throw new InvalidRequestException("Unable to add code \"" + nextCodeToAdd + "\" to unknown parent: " + nextParentCode);
}
parentConceptsWeShouldLinkTo.add(nextParentOpt.get());
parentConceptsWeShouldLinkTo.add(nextParentOpt);
}
if (conceptToAdd.getSequence() == null) {
@ -489,10 +483,17 @@ public class TermCodeSystemStorageSvcImpl implements ITermCodeSystemStorageSvc {
// force a reindex, and it'll be regenerated then
conceptToAdd.setParentPids(null);
conceptToAdd.setCodeSystemVersion(theCsv);
conceptToAdd = myConceptDao.save(conceptToAdd);
Long nextConceptPid = conceptToAdd.getId();
Validate.notNull(nextConceptPid);
if (theStatisticsTracker.getUpdatedConceptCount() <= myDaoConfig.getDeferIndexingForCodesystemsOfSize()) {
conceptToAdd = myConceptDao.save(conceptToAdd);
Long nextConceptPid = conceptToAdd.getId();
Validate.notNull(nextConceptPid);
} else {
myDeferredStorageSvc.addConceptToStorageQueue(conceptToAdd);
}
theCodeToConcept.put(conceptToAdd.getCode(), conceptToAdd);
theStatisticsTracker.incrementUpdatedConceptCount();
// Add link to new child to the parent
@ -505,7 +506,13 @@ public class TermCodeSystemStorageSvcImpl implements ITermCodeSystemStorageSvc {
nextParentConcept.getChildren().add(parentLink);
conceptToAdd.getParents().add(parentLink);
ourLog.info("Saving parent/child link - Parent[{}] Child[{}]", parentLink.getParent().getCode(), parentLink.getChild().getCode());
if (theStatisticsTracker.getUpdatedConceptCount() <= myDaoConfig.getDeferIndexingForCodesystemsOfSize()) {
myConceptParentChildLinkDao.save(parentLink);
} else {
myDeferredStorageSvc.addConceptLinkToStorageQueue(parentLink);
}
}
ourLog.trace("About to save parent-child links");
@ -519,13 +526,20 @@ public class TermCodeSystemStorageSvcImpl implements ITermCodeSystemStorageSvc {
for (int i = 0; i < nextChild.getParents().size(); i++) {
if (nextChild.getParents().get(i).getId() == null) {
String parentCode = nextChild.getParents().get(i).getParent().getCode();
TermConcept parentConcept = myConceptDao.findByCodeSystemAndCode(theCsv, parentCode).orElseThrow(() -> new IllegalArgumentException("Unknown parent code: " + parentCode));
TermConcept parentConcept = theCodeToConcept.get(parentCode);
if (parentConcept == null) {
parentConcept = myConceptDao.findByCodeSystemAndCode(theCsv, parentCode).orElse(null);
}
if (parentConcept == null) {
throw new IllegalArgumentException("Unknown parent code: " + parentCode);
}
nextChild.getParents().get(i).setParent(parentConcept);
}
}
Collection<String> parentCodes = nextChild.getParents().stream().map(t -> t.getParent().getCode()).collect(Collectors.toList());
addConcept(theCsv, parentCodes, nextChild, theStatisticsTracker, false, childIndex);
addConceptInHierarchy(theCsv, parentCodes, nextChild, theStatisticsTracker, theCodeToConcept, childIndex);
childIndex++;
}

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@ -1,10 +1,12 @@
package ca.uhn.fhir.jpa.term;
import ca.uhn.fhir.context.support.IContextValidationSupport;
import ca.uhn.fhir.jpa.dao.DaoConfig;
import ca.uhn.fhir.jpa.dao.r4.BaseJpaR4Test;
import ca.uhn.fhir.jpa.entity.TermConcept;
import ca.uhn.fhir.jpa.entity.TermConceptParentChildLink;
import ca.uhn.fhir.jpa.searchparam.SearchParameterMap;
import ca.uhn.fhir.jpa.term.api.ITermDeferredStorageSvc;
import ca.uhn.fhir.jpa.term.custom.CustomTerminologySet;
import ca.uhn.fhir.rest.api.server.IBundleProvider;
import ca.uhn.fhir.rest.param.UriParam;
@ -16,12 +18,15 @@ import org.hl7.fhir.r4.model.Coding;
import org.hl7.fhir.r4.model.Parameters;
import org.hl7.fhir.r4.model.StringType;
import org.hl7.fhir.r4.model.ValueSet;
import org.junit.After;
import org.junit.AfterClass;
import org.junit.Ignore;
import org.junit.Test;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import java.util.ArrayList;
import java.util.List;
import java.util.Objects;
import java.util.stream.Collectors;
@ -29,12 +34,18 @@ import java.util.stream.Collectors;
import static org.apache.commons.lang3.StringUtils.leftPad;
import static org.hamcrest.CoreMatchers.containsString;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertThat;
import static org.junit.Assert.fail;
public class TerminologySvcDeltaR4Test extends BaseJpaR4Test {
private static final Logger ourLog = LoggerFactory.getLogger(TerminologySvcDeltaR4Test.class);
@After
public void after() {
myDaoConfig.setDeferIndexingForCodesystemsOfSize(new DaoConfig().getDeferIndexingForCodesystemsOfSize());
}
@Test
public void testAddRootConcepts() {
@ -349,6 +360,49 @@ public class TerminologySvcDeltaR4Test extends BaseJpaR4Test {
}
@Test
public void testAddLargeHierarchy() {
myDaoConfig.setDeferIndexingForCodesystemsOfSize(5);
createNotPresentCodeSystem();
ValueSet vs;
vs = expandNotPresentCodeSystem();
assertEquals(0, vs.getExpansion().getContains().size());
CustomTerminologySet delta = new CustomTerminologySet();
// Create a nice deep hierarchy
TermConcept concept = delta.addRootConcept("Root", "Root");
int nestedDepth = 10;
for (int i = 0; i < nestedDepth; i++) {
String name = concept.getCode();
concept = concept.addChild(TermConceptParentChildLink.RelationshipTypeEnum.ISA).setCode(name + "0").setDisplay(name + "0");
}
myTermCodeSystemStorageSvc.applyDeltaCodeSystemsAdd("http://foo/cs", delta);
assertFalse(myTermDeferredStorageSvc.isStorageQueueEmpty());
while (!myTermDeferredStorageSvc.isStorageQueueEmpty()) {
myTermDeferredStorageSvc.saveDeferred();
}
List<String> expectedHierarchy = new ArrayList<>();
for (int i = 0; i < nestedDepth + 1; i++) {
String expected = leftPad("", i, " ") +
"Root" +
leftPad("", i, "0") +
" seq=0";
expectedHierarchy.add(expected);
}
assertHierarchyContains(expectedHierarchy.toArray(new String[0]));
}
@Autowired
private ITermDeferredStorageSvc myTermDeferredStorageSvc;
@Test
public void testAddModifiesExistingCodesInPlace() {