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Problem report
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Resolution: Fixed
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Major
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None
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None
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Zabbix Server/Proxy 5+
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Sprint 77 (Jun 2021)
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1
Each Zabbix application process, holds file it was writing last. It can be very problematic when LogFileSize > 1GB. In this case multiple processes of zabbix can hold plenty of deleted files. Which can lead to host malfunctioning because of no free space available.
example of test with 1Mb files:
#lsof | grep deleted zabbix_se 26519 zabbix 1w REG 8,1 1048659 657512 /var/log/zabbix/zabbix_server.log.old (deleted) zabbix_se 26519 zabbix 2w REG 8,1 1048659 657512 /var/log/zabbix/zabbix_server.log.old (deleted) zabbix_se 26530 zabbix 1w REG 8,1 1048659 657512 /var/log/zabbix/zabbix_server.log.old (deleted) zabbix_se 26530 zabbix 2w REG 8,1 1048659 657512 /var/log/zabbix/zabbix_server.log.old (deleted) zabbix_se 26533 zabbix 1w REG 8,1 1048613 657507 /var/log/zabbix/zabbix_server.log.old (deleted) zabbix_se 26533 zabbix 2w REG 8,1 1048613 657507 /var/log/zabbix/zabbix_server.log.old (deleted) zabbix_se 26548 zabbix 1w REG 8,1 1048659 657512 /var/log/zabbix/zabbix_server.log.old (deleted) zabbix_se 26548 zabbix 2w REG 8,1 1048659 657512 /var/log/zabbix/zabbix_server.log.old (deleted) zabbix_se 26550 zabbix 1w REG 8,1 1048659 657512 /var/log/zabbix/zabbix_server.log.old (deleted) zabbix_se 26550 zabbix 2w REG 8,1 1048659 657512 /var/log/zabbix/zabbix_server.log.old (deleted) zabbix_se 26551 zabbix 1w REG 8,1 1048659 657512 /var/log/zabbix/zabbix_server.log.old (deleted) zabbix_se 26551 zabbix 2w REG 8,1 1048659 657512 /var/log/zabbix/zabbix_server.log.old (deleted) zabbix_se 26552 zabbix 1w REG 8,1 1048628 657514 /var/log/zabbix/zabbix_server.log.old (deleted) zabbix_se 26552 zabbix 2w REG 8,1 1048628 657514 /var/log/zabbix/zabbix_server.log.old (deleted) zabbix_se 26555 zabbix 1w REG 8,1 1048659 657512 /var/log/zabbix/zabbix_server.log.old (deleted) zabbix_se 26555 zabbix 2w REG 8,1 1048659 657512 /var/log/zabbix/zabbix_server.log.old (deleted) zabbix_se 26556 zabbix 1w REG 8,1 1048659 657512 /var/log/zabbix/zabbix_server.log.old (deleted) zabbix_se 26556 zabbix 2w REG 8,1 1048659 657512 /var/log/zabbix/zabbix_server.log.old (deleted) zabbix_se 26557 zabbix 1w REG 8,1 1048659 657512 /var/log/zabbix/zabbix_server.log.old (deleted) zabbix_se 26557 zabbix 2w REG 8,1 1048659 657512 /var/log/zabbix/zabbix_server.log.old (deleted) zabbix_se 26563 zabbix 1w REG 8,1 1048659 657512 /var/log/zabbix/zabbix_server.log.old (deleted) zabbix_se 26563 zabbix 2w REG 8,1 1048659 657512 /var/log/zabbix/zabbix_server.log.old (deleted) zabbix_se 26564 zabbix 1w REG 8,1 1048659 657512 /var/log/zabbix/zabbix_server.log.old (deleted) zabbix_se 26564 zabbix 2w REG 8,1 1048659 657512 /var/log/zabbix/zabbix_server.log.old (deleted)
Expected:
Release space of deleted file
Solution could be found using copy and truncate instead of delete and create.
