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Make nomulus list_cursors command faster by batching loads

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They're all in the same entity group anyway (the cross-TLD one), so they can be
loaded in a single call instead of individually.

-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=201364854
This commit is contained in:
mcilwain 2018-06-20 09:24:38 -07:00 • committed by Ben McIlwain
parent 6f2e663b72
commit a5cc359813
2 changed files with 30 additions and 29 deletions
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53
java/google/registry/tools/ListCursorsCommand.java
View file

@ -14,56 +14,59 @@
package google.registry.tools;
import static com.google.common.collect.ImmutableMap.toImmutableMap;
import static google.registry.model.ofy.ObjectifyService.ofy;
import com.beust.jcommander.Parameter;
import com.beust.jcommander.Parameters;
import com.google.common.collect.Ordering;
import com.googlecode.objectify.Key;
import google.registry.model.common.Cursor;
import google.registry.model.common.Cursor.CursorType;
import google.registry.model.registry.Registries;
import google.registry.model.registry.Registry;
import google.registry.model.registry.Registry.TldType;
import google.registry.tools.Command.RemoteApiCommand;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
/** Lists {@link Cursor} timestamps used by locking rolling cursor tasks, like in RDE. */
@Parameters(separators = " =", commandDescription = "Lists cursor timestamps used by LRC tasks")
final class ListCursorsCommand implements RemoteApiCommand {
@Parameter(
names = "--type",
description = "Which cursor to list.",
required = true)
@Parameter(names = "--type", description = "Which cursor to list.", required = true)
private CursorType cursorType;
@Parameter(
names = "--tld_type",
description = "Filter TLDs of a certain type (REAL or TEST.)")
description = "Filter TLDs of a certain type (REAL or TEST; defaults to REAL).")
private TldType filterTldType = TldType.REAL;
@Parameter(
names = "--escrow_enabled",
description = "Filter TLDs to only include those with RDE escrow enabled.")
private boolean filterEscrowEnabled;
description = "Filter TLDs to only include those with RDE escrow enabled; defaults to false.")
private boolean filterEscrowEnabled = false;
@Override
public void run() {
List<String> lines = new ArrayList<>();
for (String tld : Registries.getTlds()) {
Registry registry = Registry.get(tld);
if (filterTldType != registry.getTldType()) {
continue;
}
if (filterEscrowEnabled && !registry.getEscrowEnabled()) {
continue;
}
Cursor cursor = ofy().load().key(Cursor.createKey(cursorType, registry)).now();
lines.add(String.format("%-25s%s", cursor != null ? cursor.getCursorTime() : "absent", tld));
}
for (String line : Ordering.natural().sortedCopy(lines)) {
System.out.println(line);
}
Map<Registry, Key<Cursor>> registries =
Registries.getTlds()
.stream()
.map(Registry::get)
.filter(r -> r.getTldType() == filterTldType)
.filter(r -> !filterEscrowEnabled || r.getEscrowEnabled())
.collect(toImmutableMap(r -> r, r -> Cursor.createKey(cursorType, r)));
Map<Key<Cursor>, Cursor> cursors = ofy().load().keys(registries.values());
registries
.entrySet()
.stream()
.map(e -> renderLine(e.getKey().getTldStr(), e.getValue(), cursors))
.sorted()
.forEach(System.out::println);
}
private static String renderLine(
String tld, Key<Cursor> cursorKey, Map<Key<Cursor>, Cursor> cursors) {
return String.format(
"%-25s%s",
cursors.containsKey(cursorKey) ? cursors.get(cursorKey).getCursorTime() : "(absent)", tld);
}
}