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Description
We are using docker library to get the docker container stats. We are running a python program periodically to get the stats. The python program is running in a docker container which has base image U24 and python version 3.12. If we run the container in EC2 hosts we are seeing different output based on EC2 OS version. It looks like U24 has missing fields.
client = docker.APIClient(base_url='unix:///var/run/docker.sock')
stats = client.stats(containerid, stream=False)
In Ubuntu 24 host we are getting the following output. Please note that rss is missing from memory_stats/stats section.
},
"blkio_stats":{
"io_service_bytes_recursive":[
{
"major":259,
"minor":1,
"op":"read",
"value":0
},
{
"major":259,
"minor":1,
"op":"write",
"value":2276048896
}
],
"io_serviced_recursive":"None",
"io_queue_recursive":"None",
"io_service_time_recursive":"None",
"io_wait_time_recursive":"None",
"io_merged_recursive":"None",
"io_time_recursive":"None",
"sectors_recursive":"None"
},
"num_procs":0,
"storage_stats":{
},
"cpu_stats":{
"cpu_usage":{
"total_usage":734205459000,
"usage_in_kernelmode":106087967000,
"usage_in_usermode":628117492000
},
"system_cpu_usage":297437680000000,
"online_cpus":4,
"throttling_data":{
"periods":55775,
"throttled_periods":483,
"throttled_time":2097567000
}
},
"precpu_stats":{
"cpu_usage":{
"total_usage":734205438000,
"usage_in_kernelmode":106087963000,
"usage_in_usermode":628117474000
},
"system_cpu_usage":297433700000000,
"online_cpus":4,
"throttling_data":{
"periods":55775,
"throttled_periods":483,
"throttled_time":2097567000
}
},
"memory_stats":{
"usage":598380544,
"stats":{
"active_anon":351952896,
"active_file":0,
"anon":351952896,
"anon_thp":0,
"file":234229760,
"file_dirty":192512,
"file_mapped":0,
"file_writeback":0,
"inactive_anon":0,
"inactive_file":234229760,
"kernel_stack":49152,
"pgactivate":0,
"pgdeactivate":0,
"pgfault":5154048,
"pglazyfree":0,
"pglazyfreed":0,
"pgmajfault":0,
"pgrefill":0,
"pgscan":0,
"pgsteal":0,
"shmem":0,
"slab":11209248,
"slab_reclaimable":10967680,
"slab_unreclaimable":241568,
"sock":20480,
"thp_collapse_alloc":0,
"thp_fault_alloc":0,
"unevictable":0,
"workingset_activate":0,
"workingset_nodereclaim":0,
"workingset_refault":0
},
"limit":2147483648
},
"name":"/zk_update_monitor",
"id":"bffcbc4be164415395599fb2a64c662cec249726c2560d5558cd8fdd5cb7912c"
}
Ububtu 20 host output
{
"read":"2025-03-29T19:47:35.324047694Z",
"preread":"2025-03-29T19:47:34.32246164Z",
"pids_stats":{
"current":2
},
"blkio_stats":{
"io_service_bytes_recursive":[
{
"major":259,
"minor":0,
"op":"Read",
"value":212992
},
{
"major":259,
"minor":0,
"op":"Write",
"value":0
},
{
"major":259,
"minor":0,
"op":"Sync",
"value":212992
},
{
"major":259,
"minor":0,
"op":"Async",
"value":0
},
{
"major":259,
"minor":0,
"op":"Discard",
"value":0
},
{
"major":259,
"minor":0,
"op":"Total",
"value":212992
}
],
"io_serviced_recursive":[
{
"major":259,
"minor":0,
"op":"Read",
"value":7
},
{
"major":259,
"minor":0,
"op":"Write",
"value":0
},
{
"major":259,
"minor":0,
"op":"Sync",
"value":7
},
{
"major":259,
"minor":0,
"op":"Async",
"value":0
},
{
"major":259,
"minor":0,
"op":"Discard",
"value":0
},
{
"major":259,
"minor":0,
"op":"Total",
"value":7
}
],
"io_queue_recursive":[
],
"io_service_time_recursive":[
],
"io_wait_time_recursive":[
],
"io_merged_recursive":[
],
"io_time_recursive":[
],
"sectors_recursive":[
]
},
"num_procs":0,
"storage_stats":{
},
"cpu_stats":{
"cpu_usage":{
"total_usage":119435166760,
"percpu_usage":[
7973124684,
7616021498,
7490138159,
7477351399,
7543572417,
7768791189,
7483028159,
7648588078,
7340081608,
7015214610,
7439784698,
7335021747,
7613283937,
7365167100,
6832955680,
7493041797
],
"usage_in_kernelmode":39320000000,
"usage_in_usermode":63950000000
},
"system_cpu_usage":129103361792904483,
"online_cpus":16,
"throttling_data":{
"periods":19263,
"throttled_periods":0,
"throttled_time":0
}
},
"precpu_stats":{
"cpu_usage":{
"total_usage":119435146170,
"percpu_usage":[
7973124684,
7616021498,
7490138159,
7477351399,
7543572417,
7768791189,
7483028159,
7648588078,
7340081608,
7015214610,
7439784698,
7335021747,
7613283937,
7365146510,
6832955680,
7493041797
],
"usage_in_kernelmode":39320000000,
"usage_in_usermode":63950000000
},
"system_cpu_usage":129103345812904483,
"online_cpus":16,
"throttling_data":{
"periods":19263,
"throttled_periods":0,
"throttled_time":0
}
},
"memory_stats":{
"usage":12464128,
"max_usage":16515072,
"stats":{
"active_anon":946176,
"active_file":0,
"cache":135168,
"dirty":0,
"hierarchical_memory_limit":2147483648,
"hierarchical_memsw_limit":0,
"inactive_anon":0,
"inactive_file":135168,
"mapped_file":0,
"pgfault":10959828,
"pgmajfault":0,
"pgpgin":6423846,
"pgpgout":6423718,
"rss":724992,
"rss_huge":0,
"total_active_anon":946176,
"total_active_file":0,
"total_cache":135168,
"total_dirty":0,
"total_inactive_anon":0,
"total_inactive_file":135168,
"total_mapped_file":0,
"total_pgfault":10959828,
"total_pgmajfault":0,
"total_pgpgin":6423846,
"total_pgpgout":6423718,
"total_rss":724992,
"total_rss_huge":0,
"total_unevictable":0,
"total_writeback":0,
"unevictable":0,
"writeback":0
},
"limit":2147483648
},
"name":"/envoy-B",
"id":"3bd2c6856dbbbe7cad76cf7b141fc7ae26d22e8bb6eea1ef10600c7b859e75ec"
}
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