protected void prepareTargetForTranslog(final int totalTranslogOps) throws IOException {
StopWatch stopWatch = new StopWatch().start();
logger.trace(
"{} recovery [phase1] to {}: prepare remote engine for translog",
request.shardId(),
request.targetNode());
final long startEngineStart = stopWatch.totalTime().millis();
// Send a request preparing the new shard's translog to receive
// operations. This ensures the shard engine is started and disables
// garbage collection (not the JVM's GC!) of tombstone deletes
cancellableThreads.executeIO(
() ->
recoveryTarget.prepareForTranslogOperations(
totalTranslogOps, shard.segmentStats(false).getMaxUnsafeAutoIdTimestamp()));
stopWatch.stop();
response.startTime = stopWatch.totalTime().millis() - startEngineStart;
logger.trace(
"{} recovery [phase1] to {}: remote engine start took [{}]",
request.shardId(),
request.targetNode(),
stopWatch.totalTime());
}