healthInfo.Error = string(encodedErrorResponse)
		adminLogIf(ctx, enc.Encode(healthInfo))
	}

	deadline := 10 * time.Second // Default deadline is 10secs for health diagnostics.
	if dstr := query.Get("deadline"); dstr != "" {
		var err error
		deadline, err = time.ParseDuration(dstr)
		if err != nil {
			errResp(err)
			return
		}
	}