计算一个StringBuffer初始大小

data-base/base-sync-amazon-ad/src/main/java/com/bailuntec/job/AmazonAdProductJob.java

@@ -181,12 +181,14 @@ public class AmazonAdProductJob extends PointJob {
                     gzin = new GZIPInputStream(response.body().byteStream());
                     isr = new InputStreamReader(gzin, "utf8");
                     bufferedReader = new BufferedReader(isr);
-                    StringBuffer sb = new StringBuffer((int) response.body().contentLength() * 2);
+                    int i1 = (int) response.body().contentLength() * 33;
+                    StringBuffer sb = new StringBuffer(i1);
                     String str = null;
                     while ((str = bufferedReader.readLine()) != null) {
                         sb.append(str);
                     }
                     List<AmazonAdProduct> amazonAdProductList = JSON.parseArray(sb.toString(), AmazonAdProduct.class);
+                    sb = null;
                     if (amazonAdProductList != null && amazonAdProductList.size() > 0) {
                         DcBaseFinanceAmazonAdProduct dcBaseFinanceAmazonAdProduct = new DcBaseFinanceAmazonAdProduct();
                         DcBaseFinanceAmazonAdProductMapper mapper = SessionUtil.getSession().getMapper(DcBaseFinanceAmazonAdProductMapper.class);
@@ -206,6 +208,7 @@ public class AmazonAdProductJob extends PointJob {
                                 }
                             }
                         }
+                        amazonAdProductList = null;
                     }
                 } catch (Exception e) {
                    e.printStackTrace();
@@ -221,6 +224,7 @@ public class AmazonAdProductJob extends PointJob {
                         gzin.close();
                     }
                 }
+                response = null;
                 /*
                  * 今天只能拿到昨天的广告费, 不然不完整
                  * 如果开始时间比今天0点晚, 就设为22点(或者你随便减几个小时都可以)