---> uname -a: Linux prd-centos8-docker-4c-4g-13169.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 11G 70G 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 764 12199 19 2796 14658 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:73:c0:91 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.229/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86043sec preferred_lft 86043sec inet6 fe80::f816:3eff:fe73:c091/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:aa:41:57:78 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 ---> sar -b -r -n DEV: Linux 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 07/15/2026 _x86_64_ (4 CPU) 12:39:05 LINUX RESTART (4 CPU) 12:40:01 PM tps rtps wtps bread/s bwrtn/s 12:41:01 PM 228.99 19.86 209.13 3984.67 13539.60 12:42:01 PM 105.52 1.97 103.55 244.36 9776.72 12:43:01 PM 26.34 0.05 26.29 1.07 6689.20 12:44:01 PM 2.97 1.70 1.27 51.06 269.37 12:45:01 PM 31.11 1.52 29.60 142.24 1784.04 Average: 78.99 5.02 73.97 884.86 6412.27 12:40:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:41:01 PM 12130896 14374532 4008424 24.84 2688 2446664 2078848 12.09 179872 3416856 219536 12:42:01 PM 10928492 13417344 5210828 32.29 2688 2687692 2588076 15.06 264360 4513980 189364 12:43:01 PM 10456528 12949452 5682792 35.21 2688 2691648 2856312 16.62 264720 4985104 900 12:44:01 PM 9085448 11587896 7053872 43.71 2688 2700856 4211488 24.50 268704 6347772 1184 12:45:01 PM 12485956 15000884 3653364 22.64 2688 2712316 1146824 6.67 472868 2752348 8324 Average: 11017464 13466022 5121856 31.74 2688 2647835 2576310 14.99 290105 4403212 83862 12:40:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:41:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:41:01 PM eth0 228.65 183.96 2708.20 32.65 0.00 0.00 0.00 0.00 12:41:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:42:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:42:01 PM eth0 251.51 176.55 3528.59 25.90 0.00 0.00 0.00 0.00 12:42:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:43:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:43:01 PM eth0 20.38 18.74 4.19 27.25 0.00 0.00 0.00 0.00 12:43:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:44:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:44:01 PM eth0 22.78 19.30 5.29 18.06 0.00 0.00 0.00 0.00 12:44:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:45:01 PM lo 6.48 6.48 0.80 0.80 0.00 0.00 0.00 0.00 12:45:01 PM eth0 31.59 24.33 22.37 11.95 0.00 0.00 0.00 0.00 12:45:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.30 1.30 0.16 0.16 0.00 0.00 0.00 0.00 Average: eth0 110.99 84.58 1253.78 23.16 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 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) 07/15/2026 _x86_64_ (4 CPU) 12:39:05 LINUX RESTART (4 CPU) 12:40:01 PM CPU %user %nice %system %iowait %steal %idle 12:41:01 PM all 30.79 0.00 3.25 1.24 0.10 64.62 12:41:01 PM 0 27.91 0.00 3.03 1.20 0.10 67.75 12:41:01 PM 1 37.45 0.00 2.88 0.45 0.10 59.12 12:41:01 PM 2 31.20 0.00 3.95 1.66 0.10 63.10 12:41:01 PM 3 26.58 0.00 3.15 1.66 0.10 68.51 12:42:01 PM all 64.62 0.00 2.07 0.83 0.15 32.34 12:42:01 PM 0 52.06 0.00 2.29 0.79 0.15 44.72 12:42:01 PM 1 73.40 0.00 1.14 1.32 0.15 23.99 12:42:01 PM 2 61.44 0.00 2.57 0.92 0.15 34.92 12:42:01 PM 3 71.56 0.00 2.29 0.28 0.13 25.74 12:43:01 PM all 26.73 0.00 0.55 0.50 0.11 72.11 12:43:01 PM 0 26.89 0.00 0.55 0.18 0.18 72.19 12:43:01 PM 1 24.15 0.00 0.55 1.82 0.07 73.41 12:43:01 PM 2 29.31 0.00 0.65 0.00 0.08 69.96 12:43:01 PM 3 26.57 0.00 0.45 0.00 0.10 72.88 12:44:01 PM all 35.71 0.00 0.77 0.02 0.10 63.40 12:44:01 PM 0 26.25 0.00 0.55 0.02 0.10 73.08 12:44:01 PM 1 28.95 0.00 0.55 0.00 0.10 70.40 12:44:01 PM 2 62.31 0.00 1.62 0.05 0.10 35.92 12:44:01 PM 3 25.33 0.00 0.37 0.02 0.08 74.20 12:45:01 PM all 33.74 0.00 1.66 0.13 0.08 64.38 12:45:01 PM 0 42.43 0.00 1.45 0.12 0.08 55.92 12:45:01 PM 1 36.34 0.00 2.16 0.13 0.08 61.28 12:45:01 PM 2 30.42 0.00 1.57 0.10 0.10 67.80 12:45:01 PM 3 25.76 0.00 1.47 0.17 0.07 72.54 Average: all 38.32 0.00 1.66 0.54 0.11 59.37 Average: 0 35.11 0.00 1.57 0.46 0.12 62.73 Average: 1 40.07 0.00 1.45 0.75 0.10 57.63 Average: 2 42.95 0.00 2.07 0.55 0.11 54.33 Average: 3 35.17 0.00 1.54 0.42 0.10 62.77