Echarts dynamic icon memory leak problem

use Baidu"s echarts, to refresh rainfall charts and similar charts regularly per second. The memory will go up all the time, and the browser will crash after half an hour. Do you have any good suggestions?

Performance:

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Jul.12,2021
MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1ead273-2136.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1ead273-2136.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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