in src/commands/entity-store-perf.ts [482:500]
datasource: lineGenerator(),
onDocument: (doc) => {
if (stop) {
throw new Error('Stopped');
}
doc['@timestamp'] = new Date().toISOString();
if (modifyDoc) {
doc = modifyDoc(doc);
}
return {
create: {
_index: index,
},
document: doc,
};
},