---> uname -a: Linux prd-centos8-docker-4c-4g-18408.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: 2799.998 BogoMIPS: 5599.99 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 1762 9987 19 4010 13648 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:91:73:f6 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.164/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86051sec preferred_lft 86051sec inet6 fe80::f816:3eff:fe91:73f6/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:a3:2b:d7:f0 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:a3ff:fe2b:d7f0/64 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) 06/20/2026 _x86_64_ (4 CPU) 09:27:25 LINUX RESTART (4 CPU) 09:28:02 AM tps rtps wtps bread/s bwrtn/s 09:29:01 AM 174.43 4.98 169.45 479.16 10762.01 09:30:01 AM 235.67 2.27 233.40 863.97 30212.63 09:31:01 AM 1107.25 69.87 1037.38 1124.24 37258.17 09:32:01 AM 98.27 48.71 49.56 1011.63 2790.77 09:33:01 AM 31.72 2.08 29.64 98.08 2744.54 Average: 329.99 25.65 304.34 716.21 16773.86 09:28:02 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:29:01 AM 12499600 14604292 3639720 22.55 2688 2310332 1748216 10.17 159828 3078128 311104 09:30:01 AM 10109848 12765480 6029472 37.36 2688 2846296 3735928 21.74 315216 5245588 1940 09:31:01 AM 10042160 13688756 6097160 37.78 2688 3636772 2109480 12.27 410216 4782360 46604 09:32:01 AM 10240988 13952188 5898332 36.55 2688 3697316 1905448 11.09 434524 4558680 26516 09:33:01 AM 10251408 13995420 5887912 36.48 2688 3727332 1896740 11.04 708756 4282588 24376 Average: 10628801 13801227 5510519 34.14 2688 3243610 2279162 13.26 405708 4389469 82108 09:28:02 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:29:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:29:01 AM eth0 215.60 160.95 3436.10 30.92 0.00 0.00 0.00 0.00 09:29:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:01 AM lo 6.06 6.06 4.53 4.53 0.00 0.00 0.00 0.00 09:30:01 AM eth0 364.65 233.17 4763.80 35.30 0.00 0.00 0.00 0.00 09:30:01 AM docker0 3.33 3.05 4.09 0.45 0.00 0.00 0.00 0.00 09:30:01 AM veth53d79ab 0.12 0.37 0.01 0.03 0.00 0.00 0.00 0.00 09:31:01 AM lo 0.15 0.15 0.01 0.01 0.00 0.00 0.00 0.00 09:31:01 AM eth0 196.27 139.96 1853.06 21.58 0.00 0.00 0.00 0.00 09:31:01 AM docker0 0.02 0.03 0.00 0.00 0.00 0.00 0.00 0.00 09:32:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:32:01 AM eth0 10.78 10.08 40.33 3.08 0.00 0.00 0.00 0.00 09:32:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:33:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:33:01 AM eth0 225.24 135.87 379.72 185.46 0.00 0.00 0.00 0.00 09:33:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.25 1.25 0.91 0.91 0.00 0.00 0.00 0.00 Average: eth0 202.46 135.92 2090.07 55.35 0.00 0.00 0.00 0.00 Average: docker0 0.67 0.62 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) 06/20/2026 _x86_64_ (4 CPU) 09:27:25 LINUX RESTART (4 CPU) 09:28:02 AM CPU %user %nice %system %iowait %steal %idle 09:29:01 AM all 25.20 0.00 2.34 0.88 0.08 71.51 09:29:01 AM 0 25.67 0.00 2.12 0.59 0.08 71.53 09:29:01 AM 1 24.53 0.00 2.02 1.16 0.08 72.21 09:29:01 AM 2 14.37 0.00 1.62 0.75 0.07 83.19 09:29:01 AM 3 36.20 0.00 3.59 1.00 0.09 59.13 09:30:01 AM all 47.65 0.10 3.67 1.54 0.10 46.95 09:30:01 AM 0 39.76 0.12 4.06 2.18 0.12 53.76 09:30:01 AM 1 46.61 0.03 4.52 1.63 0.10 47.10 09:30:01 AM 2 51.77 0.07 2.95 1.70 0.10 43.41 09:30:01 AM 3 52.46 0.17 3.13 0.66 0.08 43.50 09:31:01 AM all 26.00 0.00 12.05 8.24 0.09 53.62 09:31:01 AM 0 20.21 0.00 9.98 6.56 0.09 63.17 09:31:01 AM 1 25.12 0.00 12.20 8.13 0.10 54.44 09:31:01 AM 2 25.11 0.00 13.50 8.92 0.07 52.41 09:31:01 AM 3 33.58 0.00 12.53 9.36 0.09 44.44 09:32:01 AM all 44.11 0.00 1.62 0.56 0.08 53.62 09:32:01 AM 0 28.60 0.00 1.22 0.48 0.08 69.62 09:32:01 AM 1 82.70 0.00 2.22 0.37 0.08 14.63 09:32:01 AM 2 29.83 0.00 1.54 0.82 0.08 67.73 09:32:01 AM 3 35.31 0.00 1.50 0.59 0.08 62.52 09:33:01 AM all 28.96 0.00 1.94 0.14 0.07 68.89 09:33:01 AM 0 37.23 0.00 3.21 0.12 0.07 59.38 09:33:01 AM 1 32.92 0.00 1.70 0.15 0.07 65.16 09:33:01 AM 2 17.20 0.00 1.85 0.25 0.08 80.61 09:33:01 AM 3 28.51 0.00 0.99 0.03 0.05 70.42 Average: all 34.43 0.02 4.30 2.25 0.08 58.91 Average: 0 30.34 0.02 4.10 1.97 0.09 63.47 Average: 1 42.50 0.01 4.51 2.27 0.09 50.63 Average: 2 27.69 0.01 4.27 2.47 0.08 65.47 Average: 3 37.21 0.03 4.32 2.31 0.08 56.05