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  • MYSQL出现:Out of sort memory, consider increasing server sort buffer size; nested exception is java.sql.SQLException: Out of sort memory, consider increasing server sort buffer size

    MYSQL出现:Out of sort memory, consider increasing server sort buffer size; nested exception is java.sql.SQLException: Out of sort memory, consider increasing server sort buffer size

    Java接口忽然报错,错误信息是Out of sort memory, consider increasing server sort buffer size。

    字面意思就是 sort内存溢出,考虑增加服务器的排序缓冲区(sort_buffer_size)大小。

    mysql> show variables like '%sort_buffer_size%';
    +-------------------------+---------+
    | Variable_name | Value |
    +-------------------------+---------+
    | innodb_sort_buffer_size | 1048576 |
    | myisam_sort_buffer_size | 8388608 |
    | sort_buffer_size | 262144 |
    +-------------------------+---------+
    3 rows in set (0.01 sec)

    可以看到 sort_buffer_size ,此时需要将对应的数据调大

    mysql> SET GLOBAL sort_buffer_size = 1024*1024;
    Query OK, 0 rows affected (0.00 sec)

    重新测试

    补充:EXPLAIN分析sql运行情况

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  • 原文地址:https://www.cnblogs.com/baroque/p/15186021.html
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