Zabbix server 4.4.6 does not start.Writes in the log:
6919:20200304:100142.405 Starting Zabbix Server. Zabbix 4.4.6 (revision 8cc702429d).
6919:20200304:100142.406 ****** Enabled features ******
6919:20200304:100142.406 SNMP monitoring: YES
6919:20200304:100142.406 IPMI monitoring: YES
6919:20200304:100142.406 Web monitoring: YES
6919:20200304:100142.406 VMware monitoring: YES
6919:20200304:100142.406 SMTP authentication: YES
6919:20200304:100142.406 ODBC: YES
6919:20200304:100142.406 SSH support: YES
6919:20200304:100142.406 IPv6 support: YES
6919:20200304:100142.406 TLS support: YES
6919:20200304:100142.406 ******************************
6919:20200304:100142.406 using configuration file: /etc/zabbix/zabbix_server.conf
6919:20200304:100142.415 current database version (mandatory/optional): 04040000/04040001
6919:20200304:100142.415 required mandatory version: 04040000
6919:20200304:100142.423 server #0 started [main process]
6921:20200304:100142.424 server #1 started [configuration syncer #1]
6921:20200304:100143.097 __mem_malloc: skipped 0 asked 256 skip_min 18446744073709551615 skip_max 0
6921:20200304:100143.097 [file:dbconfig.c,line:94] __zbx_mem_malloc(): out of memory (requested 256 bytes)
6921:20200304:100143.097 [file:dbconfig.c,line:94] __zbx_mem_malloc(): please increase CacheSize configuration parameter
6921:20200304:100143.097 === memory statistics for configuration cache ===
6921:20200304:100143.097 free chunks of size 24 bytes: 3
6921:20200304:100143.097 free chunks of size 112 bytes: 1
6921:20200304:100143.097 min chunk size: 24 bytes
6921:20200304:100143.097 max chunk size: 112 bytes
6921:20200304:100143.097 memory of total size 8388232 bytes fragmented into 75964 chunks
6921:20200304:100143.098 of those, 184 bytes are in 4 free chunks
6921:20200304:100143.098 of those, 7172640 bytes are in 75960 used chunks
6921:20200304:100143.098 ================================
6921:20200304:100143.098 === Backtrace: ===
6921:20200304:100143.098 13: /usr/sbin/zabbix_server: configuration syncer [syncing configuration](zbx_backtrace+0x42) [0x5629b152e024]
6921:20200304:100143.098 12: /usr/sbin/zabbix_server: configuration syncer [syncing configuration](__zbx_mem_malloc+0x18c) [0x5629b15294c7]
6921:20200304:100143.098 11: /usr/sbin/zabbix_server: configuration syncer [syncing configuration](+0x16c695) [0x5629b14f2695]
6921:20200304:100143.098 10: /usr/sbin/zabbix_server: configuration syncer [syncing configuration](+0x1b364d) [0x5629b153964d]
6921:20200304:100143.098 9: /usr/sbin/zabbix_server: configuration syncer [syncing configuration](zbx_vector_ptr_append+0x1c) [0x5629b15397e2]
6921:20200304:100143.098 8: /usr/sbin/zabbix_server: configuration syncer [syncing configuration](+0x176a43) [0x5629b14fca43]
6921:20200304:100143.099 7: /usr/sbin/zabbix_server: configuration syncer [syncing configuration](DCsync_configuration+0x11b7) [0x5629b14fed97]
6921:20200304:100143.099 6: /usr/sbin/zabbix_server: configuration syncer [syncing configuration](dbconfig_thread+0x12b) [0x5629b13d50af]
6921:20200304:100143.099 5: /usr/sbin/zabbix_server: configuration syncer [syncing configuration](zbx_thread_start+0x37) [0x5629b153baa7]
6921:20200304:100143.099 4: /usr/sbin/zabbix_server: configuration syncer [syncing configuration](MAIN_ZABBIX_ENTRY+0x9b1) [0x5629b13c7d28]
6921:20200304:100143.099 3: /usr/sbin/zabbix_server: configuration syncer [syncing configuration](daemon_start+0x305) [0x5629b152d88d]
6921:20200304:100143.099 2: /usr/sbin/zabbix_server: configuration syncer [syncing configuration](main+0x312) [0x5629b13c7375]
6921:20200304:100143.099 1: /lib64/libc.so.6(__libc_start_main+0xf5) [0x7ffb7af05495]
6921:20200304:100143.099 0: /usr/sbin/zabbix_server: configuration syncer [syncing configuration](+0x40409) [0x5629b13c6409]
6919:20200304:100143.101 One child process died (PID:6921,exitcode/signal:1). Exiting ...
6919:20200304:100143.103 syncing trend data...
6919:20200304:100143.103 syncing trend data done
6919:20200304:100143.103 Zabbix Server stopped. Zabbix 4.4.6 (revision 8cc702429d).
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