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优化数据源导出

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wuweihua
2026-10-26 16:59:01 +08:00
parent 2ed0e0c77d
commit bdce5e3086
1 changed files with 5 additions and 2 deletions
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bms-back/bms-system/src/main/java/com/bms/price/task/TabOrderExportAsyncRunner.java
+5 -2
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@@ -37,7 +37,8 @@ public class TabOrderExportAsyncRunner
public static final String CACHE_KEY_PREFIX = "monitor:orderSource:export:task:"; public static final String CACHE_KEY_PREFIX = "monitor:orderSource:export:task:";
public static final int TTL_MINUTES = 60; public static final int TTL_MINUTES = 60;
public static final String REL_DIR = "orderSourceExport"; public static final String REL_DIR = "orderSourceExport";
public static final int PAGE_SIZE = 500; /** Must stay <= TabOrderMonitorService.normalizePage max (200). */
public static final int PAGE_SIZE = 200;
/** 单次导出行数上限（防 OOM） */ /** 单次导出行数上限（防 OOM） */
public static final int EXPORT_MAX = 20000; public static final int EXPORT_MAX = 20000;
@@ -103,7 +104,9 @@ public class TabOrderExportAsyncRunner
int pct = Math.min(70, 5 + (int) ((all.size() * 65L) / Math.max(total, 1L))); int pct = Math.min(70, 5 + (int) ((all.size() * 65L) / Math.max(total, 1L)));
put(taskId, TabOrderExportTask.STATUS_RUNNING, pct, "querying " + all.size() + "/" + total, put(taskId, TabOrderExportTask.STATUS_RUNNING, pct, "querying " + all.size() + "/" + total,
null, fileName, null, all.size()); null, fileName, null, all.size());
if (all.size() >= total || rows.size() < PAGE_SIZE || all.size() >= EXPORT_MAX) // Do not compare rows.size() to PAGE_SIZE: searchPage caps pageSize at 200.
// Stop only when all matched rows are collected or hard limit hit.
if (all.size() >= total || all.size() >= EXPORT_MAX)
{ {
break; break;
} }