---> uname -a: Linux prd-centos8-docker-4c-4g-2913.novalocal 4.18.0-500.el8.x86_64 #1 SMP Wed Jun 28 00:07:07 UTC 2023 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian CPU(s): 4 On-line CPU(s) list: 0-3 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 NUMA node(s): 1 Vendor ID: AuthenticAMD CPU family: 23 Model: 49 Model name: AMD EPYC-Rome Processor Stepping: 0 CPU MHz: 2799.974 BogoMIPS: 5599.94 Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 32K L1i cache: 32K L2 cache: 512K L3 cache: 16384K NUMA node0 CPU(s): 0-3 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 xsaves clzero xsaveerptr wbnoinvd arat npt nrip_save umip rdpid arch_capabilities ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on devtmpfs 7.7G 0 7.7G 0% /dev tmpfs 7.7G 0 7.7G 0% /dev/shm tmpfs 7.7G 17M 7.7G 1% /run tmpfs 7.7G 0 7.7G 0% /sys/fs/cgroup /dev/vda1 80G 12G 69G 15% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 1074 10416 19 4269 14337 Swap: 1023 0 1023 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: eth0: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:3b:3c:ad brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.49/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86030sec preferred_lft 86030sec inet6 fe80::f816:3eff:fe3b:3cad/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:ac:0a:70:e0 brd ff:ff:ff:ff:ff:ff inet 10.250.0.254/24 brd 10.250.0.255 scope global docker0 valid_lft forever preferred_lft forever inet6 fe80::42:acff:fe0a:70e0/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 06/27/2026 _x86_64_ (4 CPU) 03:28:25 LINUX RESTART (4 CPU) 03:29:01 AM tps rtps wtps bread/s bwrtn/s 03:30:01 AM 123.93 1.98 121.95 321.15 9138.64 03:31:01 AM 270.75 5.25 265.51 896.20 29376.50 03:32:01 AM 1091.97 60.38 1031.59 913.83 36359.33 03:33:01 AM 121.21 56.63 64.59 1211.19 3718.61 03:34:01 AM 191.17 21.86 169.31 5330.22 9251.48 Average: 359.78 29.22 330.55 1734.44 17568.14 03:29:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:30:01 AM 12936376 14930840 3202944 19.85 2688 2202368 1467668 8.54 155188 2660452 246764 03:31:01 AM 9586436 12177124 6552884 40.60 2688 2781844 4604196 26.79 284448 5796164 1360 03:32:01 AM 10400156 13968828 5739164 35.56 2688 3560352 1839496 10.70 404832 4433260 61524 03:33:01 AM 10235976 13863772 5903344 36.58 2688 3616072 1967228 11.45 428324 4566508 16856 03:34:01 AM 10697368 14706760 5441952 33.72 2688 3992000 1248156 7.26 705064 3833252 27384 Average: 10771262 13929465 5368058 33.26 2688 3230527 2225349 12.95 395571 4257927 70778 03:29:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:30:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:30:01 AM eth0 151.56 99.60 1717.25 18.88 0.00 0.00 0.00 0.00 03:30:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:31:01 AM lo 3.50 3.50 1.63 1.63 0.00 0.00 0.00 0.00 03:31:01 AM eth0 366.42 272.52 5318.77 38.33 0.00 0.00 0.00 0.00 03:31:01 AM docker0 2.07 1.92 1.30 0.32 0.00 0.00 0.00 0.00 03:31:01 AM veth388ed04 0.12 0.37 0.01 0.03 0.00 0.00 0.00 0.00 03:31:01 AM vethad0f9a0 1.95 1.82 1.32 0.31 0.00 0.00 0.00 0.00 03:32:01 AM lo 2.83 2.83 2.95 2.95 0.00 0.00 0.00 0.00 03:32:01 AM eth0 197.15 137.32 1861.80 26.00 0.00 0.00 0.00 0.00 03:32:01 AM docker0 1.28 1.37 2.79 0.14 0.00 0.00 0.00 0.00 03:33:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:33:01 AM eth0 1.60 1.42 0.47 1.17 0.00 0.00 0.00 0.00 03:33:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:34:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:34:01 AM eth0 213.78 160.13 3125.16 43.59 0.00 0.00 0.00 0.00 03:34:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.27 1.27 0.92 0.92 0.00 0.00 0.00 0.00 Average: eth0 186.09 134.19 2404.59 25.59 0.00 0.00 0.00 0.00 Average: docker0 0.67 0.66 0.82 0.09 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 06/27/2026 _x86_64_ (4 CPU) 03:28:25 LINUX RESTART (4 CPU) 03:29:01 AM CPU %user %nice %system %iowait %steal %idle 03:30:01 AM all 18.96 0.00 1.86 0.53 0.07 78.58 03:30:01 AM 0 5.02 0.00 0.98 0.20 0.07 93.72 03:30:01 AM 1 30.70 0.00 2.99 0.43 0.07 65.81 03:30:01 AM 2 5.14 0.00 0.69 0.57 0.07 93.53 03:30:01 AM 3 34.94 0.00 2.77 0.90 0.08 61.30 03:31:01 AM all 41.09 0.10 3.40 1.59 0.13 53.69 03:31:01 AM 0 43.11 0.20 4.34 2.05 0.13 50.16 03:31:01 AM 1 43.88 0.07 3.09 1.97 0.13 50.87 03:31:01 AM 2 37.24 0.13 2.91 0.81 0.12 58.78 03:31:01 AM 3 40.12 0.00 3.24 1.55 0.12 54.97 03:32:01 AM all 32.08 0.00 11.99 7.53 0.11 48.30 03:32:01 AM 0 31.55 0.00 9.65 4.71 0.10 53.99 03:32:01 AM 1 25.24 0.00 11.79 7.19 0.10 55.67 03:32:01 AM 2 40.59 0.00 13.21 7.44 0.10 38.65 03:32:01 AM 3 30.89 0.00 13.29 10.78 0.12 44.93 03:33:01 AM all 44.43 0.00 1.75 0.69 0.10 53.04 03:33:01 AM 0 32.23 0.00 1.64 0.37 0.10 65.66 03:33:01 AM 1 38.18 0.00 1.59 0.60 0.10 59.54 03:33:01 AM 2 56.17 0.00 1.65 0.82 0.10 41.26 03:33:01 AM 3 51.17 0.00 2.11 0.97 0.08 45.67 03:34:01 AM all 44.74 0.00 2.26 0.81 0.09 52.10 03:34:01 AM 0 46.86 0.00 2.06 0.52 0.10 50.46 03:34:01 AM 1 49.64 0.00 3.37 2.31 0.10 44.58 03:34:01 AM 2 41.90 0.00 2.24 0.22 0.07 55.57 03:34:01 AM 3 40.57 0.00 1.36 0.18 0.10 57.79 Average: all 36.27 0.02 4.22 2.21 0.10 57.18 Average: 0 31.74 0.04 3.71 1.55 0.10 62.86 Average: 1 37.57 0.01 4.53 2.48 0.10 55.30 Average: 2 36.21 0.03 4.12 1.96 0.09 57.60 Average: 3 39.57 0.00 4.52 2.84 0.10 52.96