# What’s the means about this params in the metricbeat log file? **URL:** \ **Category:** Beats\ **Tags:** metricbeat\ **Created:** [November 24, 2017, 9:32am UTC](https://discuss.elastic.co/t/what-s-the-means-about-this-params-in-the-metricbeat-log-file/108999 "2017-11-24T09:32:54Z")\ **Posts on this page:** 8\ **Page:** 1
**Author:** ![AmosChen](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/amoschen/32/24676_2.png) [@AmosChen](https://discuss.elastic.co/u/AmosChen)\ **Post date:** [November 24, 2017, 9:32am UTC](https://discuss.elastic.co/t/what-s-the-means-about-this-params-in-the-metricbeat-log-file/108999/1 "2017-11-24T09:32:54Z")
Hi, We run some metricbeat in our machines. And collect the run log every 10 mins. After check the log at /etc/log/metricbeat, we feel puzzled. And we don't find any document about it. One log record like followed: `fetches.system-core.events=40 fetches.system-core.success=10 fetches.system-cpu.events=10 fetches.system-cpu.success=10 fetches.system-diskio.events=12 fetches.system-diskio.success=2 fetches.system-load.events=10 fetches.system-load.success=10 fetches.system-memory.events=10 fetches.system-memory.success=10 fetches.system-network.events=710 fetches.system-network.success=10 fetches.system-process.events=58 fetches.system-process.success=2 libbeat.es.call_count.PublishEvents=22 libbeat.es.publish.read_bytes=14517 libbeat.es.publish.write_bytes=570384 libbeat.es.published_and_acked_events=850 libbeat.publisher.messages_in_worker_queues=850 libbeat.publisher.published_events=850` I guess the "fetches" means the collector, and the libbeat is the transfer. "fetches.system-core.events=40" & "fetches.system-core.success=10" The above means there are 30 event transfer failed to the Elasticsearch? If it's failed, where can I find the data, or it be dropped? But the "libbeat.publisher.published\_events=850" means all of the event is transfer successful? Thank you ---
**Author:** ![kvch](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/kvch/32/72058_2.png) [@kvch](https://discuss.elastic.co/u/kvch)\ **Post date:** [November 24, 2017, 12:59pm UTC](https://discuss.elastic.co/t/what-s-the-means-about-this-params-in-the-metricbeat-log-file/108999/2 "2017-11-24T12:59:37Z")
`fetches.system-core.events` indicates the number of fetches from the system. The number of fetches which is succesful is equals to the value of `fetches.system-core.success`. The value of`fetches.system-core.error` show how many fetches failed. These events are not forwarded to ES, because there is nothing to be forwarded due to errors. You cannot find that data, because MB hes failed to fetch it from the system. `libbeat.publisher.published_events=850` means that 850 events were published. But it is not yet acknowledged by the output, so it is unknown if the events had made it succesfully to the output. `libbeat.es.published_and_acked_events=850` shows that all 850 events were acknowledged, meaning that those made it to ES successfully. ---
**Author:** ![AmosChen](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/amoschen/32/24676_2.png) [@AmosChen](https://discuss.elastic.co/u/AmosChen)\ **Post date:** [November 26, 2017, 3:47am UTC](https://discuss.elastic.co/t/what-s-the-means-about-this-params-in-the-metricbeat-log-file/108999/3 "2017-11-26T03:47:16Z")
@kvch thanks so much,I have learned the meaning of each parameter，but why so many events are failed to fetch ,and how to find out why， could you give me some suggestions? ---
**Author:** ![kvch](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/kvch/32/72058_2.png) [@kvch](https://discuss.elastic.co/u/kvch)\ **Post date:** [November 27, 2017, 11:41am UTC](https://discuss.elastic.co/t/what-s-the-means-about-this-params-in-the-metricbeat-log-file/108999/4 "2017-11-27T11:41:10Z")
Which Metricbeat version are you using? Do you have log lines which contain e.g `fetches.system-core.errors` counter? ---
**Author:** ![AmosChen](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/amoschen/32/24676_2.png) [@AmosChen](https://discuss.elastic.co/u/AmosChen)\ **Post date:** [November 28, 2017, 9:10am UTC](https://discuss.elastic.co/t/what-s-the-means-about-this-params-in-the-metricbeat-log-file/108999/5 "2017-11-28T09:10:15Z")
@kvch My metricbeat version is 5.6.2, and here's a passage of my metricbeat log: ``` 2017-11-24T19:38:46+08:00 INFO Non-zero metrics in the last 5m0s: fetches.redis-info.events=5 fetches.redis-info.success=5 fetches.system-core.events=40 fetches.system-core.success=5 fetches.system-cpu.events=5 fetches.system-cpu.success=5 fetches.system-diskio.events=4 fetches.system-diskio.success=1 fetches.system-load.events=5 fetches.system-load.success=5 fetches.system-memory.events=5 fetches.system-memory.success=5 fetches.system-network.events=610 fetches.system-network.success=5 fetches.system-process.events=53 fetches.system-process.success=1 libbeat.es.call_count.PublishEvents=5 libbeat.es.publish.read_bytes=5071 libbeat.es.publish.read_errors=5 libbeat.es.publish.write_bytes=55089 libbeat.es.published_and_acked_events=727 libbeat.publisher.messages_in_worker_queues=727 libbeat.publisher.published_events=727 ``` ---
**Author:** ![kvch](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/kvch/32/72058_2.png) [@kvch](https://discuss.elastic.co/u/kvch)\ **Post date:** [November 28, 2017, 2:51pm UTC](https://discuss.elastic.co/t/what-s-the-means-about-this-params-in-the-metricbeat-log-file/108999/6 "2017-11-28T14:51:05Z")
I don't think that there is an error in your metirbeat or host. The sum of `fetches.*.events` equals the sum of `libbeat.es.published_and_acked_events`. If you don't have a log line which includes `fetches.system-core.errors`, it means that it is 0, so there were not any errors. If you don't see `error` field in your metricbeat events, it works correctly. ---
**Author:** ![AmosChen](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/amoschen/32/24676_2.png) [@AmosChen](https://discuss.elastic.co/u/AmosChen)\ **Post date:** [November 29, 2017, 3:39am UTC](https://discuss.elastic.co/t/what-s-the-means-about-this-params-in-the-metricbeat-log-file/108999/7 "2017-11-29T03:39:14Z")
@kvch I see, thank you so much.😀 ---
**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\ **Post date:** [December 27, 2017, 3:39am UTC](https://discuss.elastic.co/t/what-s-the-means-about-this-params-in-the-metricbeat-log-file/108999/8 "2017-12-27T03:39:14Z")
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