defer func() {
			stopFn(res)
		}()

		doneSz := globalScannerMetrics.timeSize(scannerMetricReadMetadata)
		buf, err := s.readMetadata(ctx, item.Path)
		doneSz(len(buf))
		res["metasize"] = strconv.Itoa(len(buf))
		if err != nil {
			res["err"] = err.Error()
			return sizeSummary{}, errSkipFile
		}

		// Remove filename which is the meta file.
		item.transformMetaDir()

        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        SearchResponse response = option.apply(client.prepareSearch(index).setScroll(scrollForUpdate).setSize(sizeForUpdate)
                .setPreference(Constants.SEARCH_PREFERENCE_LOCAL)).execute().actionGet(fessConfig.getIndexScrollSearchTimeout());

        int count = 0;
        String scrollId = response.getScrollId();

                this.attrExpiration = System.currentTimeMillis() + th.getConfig().getAttributeCacheTimeout();
            }
            else if ( info instanceof FileStandardInfo ) {
                this.size = info.getSize();
                this.sizeExpiration = System.currentTimeMillis() + th.getConfig().getAttributeCacheTimeout();
            }
            return info;
        }

        /*

            stream(parameter.getSuggestFields()).of(stream -> stream.forEach(builder::addField));
            roleQueryHelper.build(SearchRequestType.SUGGEST).stream().forEach(builder::addRole);
            builder.setSize(parameter.getNum());
            stream(langs).of(stream -> stream.forEach(builder::addLang));

            stream(parameter.getTags()).of(stream -> stream.forEach(builder::addTag));

			t.Fatalf("Unexpected drive state (%d): %v", i+1, h.State)
		}
	}
}

func TestHealLastDataShard(t *testing.T) {
	tests := []struct {
		name     string
		dataSize int64
	}{
		{"4KiB", 4 * humanize.KiByte},
		{"64KiB", 64 * humanize.KiByte},
		{"128KiB", 128 * humanize.KiByte},
		{"1MiB", 1 * humanize.MiByte},
		{"5MiB", 5 * humanize.MiByte},