---> uname -a: Linux prd-centos8-docker-4c-4g-5401.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: 2800.000 BogoMIPS: 5600.00 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 760 12209 20 2791 14660 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:01:e2:7b brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.199/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85961sec preferred_lft 85961sec inet6 fe80::f816:3eff:fe01:e27b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:1f:87:8d:c3 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) 10/26/2026 _x86_64_ (4 CPU) 18:57:24 LINUX RESTART (4 CPU) 06:58:01 PM tps rtps wtps bread/s bwrtn/s 06:59:01 PM 176.15 24.04 152.11 5518.46 5253.61 07:00:01 PM 108.17 0.50 107.67 142.24 9855.14 07:01:01 PM 172.01 20.16 151.86 4002.13 11080.53 07:02:01 PM 82.29 1.36 80.93 85.87 9692.98 07:03:01 PM 3.97 0.00 3.97 0.00 309.57 07:04:01 PM 8.10 2.92 5.18 139.31 313.23 07:05:01 PM 23.60 1.42 22.18 127.58 1797.12 Average: 82.05 7.20 74.85 1430.86 5472.80 06:58:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:59:01 PM 13547172 15138200 2592144 16.06 2688 1818164 1134616 6.60 144260 2127848 46808 07:00:01 PM 13185580 15137980 2953736 18.30 2688 2160448 1073376 6.24 145464 2420076 176504 07:01:01 PM 11931124 14195508 4208192 26.07 2688 2466740 1876216 10.92 228076 3559776 77640 07:02:01 PM 9904028 12371900 6235288 38.63 2688 2666960 3629444 21.12 262912 5534100 3512 07:03:01 PM 9770460 12242536 6368856 39.46 2688 2671064 3661048 21.30 262968 5666604 1040 07:04:01 PM 11314156 13810036 4825160 29.90 2688 2694012 2490624 14.49 279232 4107848 12932 07:05:01 PM 12501584 15011496 3637732 22.54 2688 2706728 1147036 6.67 473220 2728888 7256 Average: 11736301 13986808 4403015 27.28 2688 2454874 2144623 12.48 256590 3735020 46527 06:58:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:59:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:59:01 PM eth0 289.52 180.73 1085.49 64.37 0.00 0.00 0.00 0.00 06:59:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:00:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:00:01 PM eth0 74.84 42.88 1140.82 7.98 0.00 0.00 0.00 0.00 07:00:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:01:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:01:01 PM eth0 230.90 200.17 2469.72 41.23 0.00 0.00 0.00 0.00 07:01:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:02:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:02:01 PM eth0 219.97 163.54 2967.55 35.71 0.00 0.00 0.00 0.00 07:02:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:03:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:03:01 PM eth0 194.75 139.06 72.97 83.81 0.00 0.00 0.00 0.00 07:03:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:04:01 PM lo 6.65 6.65 0.80 0.80 0.00 0.00 0.00 0.00 07:04:01 PM eth0 91.17 75.77 66.03 41.47 0.00 0.00 0.00 0.00 07:04:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:05:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:05:01 PM eth0 19.91 15.36 14.86 8.48 0.00 0.00 0.00 0.00 07:05:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.95 0.95 0.11 0.11 0.00 0.00 0.00 0.00 Average: eth0 160.17 116.80 1117.19 40.43 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) 10/26/2026 _x86_64_ (4 CPU) 18:57:24 LINUX RESTART (4 CPU) 06:58:01 PM CPU %user %nice %system %iowait %steal %idle 06:59:01 PM all 14.24 0.00 2.12 0.94 0.00 82.69 06:59:01 PM 0 17.61 0.00 1.99 0.63 0.00 79.77 06:59:01 PM 1 12.11 0.00 2.16 0.47 0.00 85.27 06:59:01 PM 2 11.84 0.00 2.08 0.50 0.00 85.58 06:59:01 PM 3 15.39 0.00 2.24 2.18 0.02 80.17 07:00:01 PM all 12.71 0.00 1.21 0.51 0.02 85.54 07:00:01 PM 0 18.44 0.00 2.30 0.75 0.02 78.49 07:00:01 PM 1 8.97 0.00 0.67 0.57 0.02 89.77 07:00:01 PM 2 18.11 0.00 1.34 0.32 0.02 80.22 07:00:01 PM 3 5.32 0.00 0.55 0.40 0.03 93.70 07:01:01 PM all 40.98 0.00 2.19 0.99 0.03 55.82 07:01:01 PM 0 42.91 0.00 3.19 1.55 0.03 52.31 07:01:01 PM 1 34.69 0.00 2.36 1.20 0.05 61.70 07:01:01 PM 2 40.54 0.00 1.51 0.38 0.02 57.55 07:01:01 PM 3 45.75 0.00 1.72 0.80 0.02 51.71 07:02:01 PM all 71.01 0.00 1.86 0.38 0.03 26.72 07:02:01 PM 0 71.08 0.00 1.70 0.13 0.03 27.05 07:02:01 PM 1 84.38 0.00 2.27 0.25 0.02 13.08 07:02:01 PM 2 76.98 0.00 1.52 0.27 0.05 21.18 07:02:01 PM 3 51.59 0.00 1.94 0.87 0.02 45.59 07:03:01 PM all 22.17 0.00 1.72 0.01 0.01 76.09 07:03:01 PM 0 20.71 0.00 1.29 0.02 0.02 77.97 07:03:01 PM 1 26.56 0.00 1.97 0.00 0.02 71.45 07:03:01 PM 2 19.01 0.00 2.16 0.02 0.00 78.82 07:03:01 PM 3 22.42 0.00 1.45 0.02 0.00 76.11 07:04:01 PM all 37.07 0.00 1.41 0.09 0.01 61.42 07:04:01 PM 0 37.80 0.00 1.00 0.07 0.00 61.13 07:04:01 PM 1 32.64 0.00 1.24 0.00 0.02 66.10 07:04:01 PM 2 44.18 0.00 1.81 0.07 0.02 53.94 07:04:01 PM 3 33.66 0.00 1.59 0.23 0.02 64.50 07:05:01 PM all 30.60 0.00 1.65 0.13 0.02 67.60 07:05:01 PM 0 43.24 0.00 2.27 0.25 0.03 54.21 07:05:01 PM 1 25.58 0.00 1.70 0.05 0.00 72.67 07:05:01 PM 2 26.41 0.00 1.05 0.12 0.02 72.40 07:05:01 PM 3 27.17 0.00 1.59 0.10 0.02 71.13 Average: all 32.69 0.00 1.74 0.44 0.02 65.12 Average: 0 35.97 0.00 1.96 0.49 0.02 61.56 Average: 1 32.14 0.00 1.77 0.36 0.02 65.72 Average: 2 33.88 0.00 1.64 0.24 0.02 64.23 Average: 3 28.76 0.00 1.58 0.66 0.02 68.98