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Fix RabbitMQ/PostgreSQL/Zabbix meter source miswires - #14171
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wu-sheng merged 2 commits intoOct 27, 2026
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- `allocated_singleblock_unused` now subtracts `blocks_size` from `carriers_size` for `kind=sbcs`, as RabbitMQ's Erlang memory allocators dashboard does; it reported the whole carriers size. The fixture gives sbcs distinct blocks/carriers values so the subtraction is covered. - `meter_vm_filesystem_percentage` reads the agent's `vfs.fs.size[/,pused]`, the value `df` and the Telegraf VM rule report, instead of used / total, which also no longer depends on `used` and `total` arriving in the same agent send. `meter_vm_vfs_fs_size` leaves `pused` out and stays bytes only. - changes.md: note that values stored before the upgrade keep the old numbers, and drop the claim that Zabbix matches the OTEL rule.
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Oct 27, 2026
This was referenced Oct 27, 2026
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Summary
Fix three meter source miswires so chart names match the data they plot. Metric names are unchanged; Horizon / UI templates do not need updates.
RabbitMQ - singleblock used
mbcsmeter_rabbitmq_node_allocated_singleblock_used/_unusedcopiedkind=mbcsfrom the multiblock rules, so Singleblock charts showed the same series as Multiblock.kind=sbcs(single-block carriers). Multiblock stays onmbcs/mbcs_pool.Multi/Single-block Memorystill bindsmeter_rabbitmq_node_allocated_singleblock_*.PostgreSQL - temporary files rate used
temp_bytesmeter_pg_temporary_files_rate/meter_pg_instance_temporary_files_ratereadpg_stat_database_temp_bytes, so Temporary Files / s showed byte throughput instead of file-creation rate.pg_stat_database_temp_files. Alignbackend-postgresql-monitoring.mdwith PostgreSQL'stemp_fileswording.meter_pg_temporary_files_rate.Zabbix VM - filesystem % used inode
pusedmeter_vm_filesystem_percentageusedvfs.fs.inodepused, so File System Mountpoint Usage showed inode occupancy instead of disk space %.vfs.fs.sizeused/total * 100, same meaning as OTEL / Telegraf VM rules.vfs.fs.inode[/,pused]and unused duplicatevm.memory.size[pavailable]fromrequiredZabbixItemKeys(not referenced by metrics/UI).meter_vm_filesystem_percentage.Test plan
Note
This change only touches RabbitMQ / PostgreSQL / Zabbix MAL YAML, fixtures, and docs. Metric names are unchanged, so no Horizon dashboard updates are required.