---> uname -a: Linux prd-centos8-docker-4c-4g-5428.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 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 788 12184 20 2788 14632 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:bd:01:83 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.37/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85912sec preferred_lft 85912sec inet6 fe80::f816:3eff:febd:183/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:a7:11:cd:52 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) 19:15:21 LINUX RESTART (4 CPU) 07:16:01 PM tps rtps wtps bread/s bwrtn/s 07:17:01 PM 154.95 11.33 143.62 1892.84 3928.27 07:18:01 PM 102.47 0.10 102.37 3.60 9821.93 07:19:01 PM 154.28 20.22 134.06 4023.05 9489.87 07:20:01 PM 85.12 1.67 83.46 111.83 5192.89 07:21:01 PM 21.60 0.00 21.60 0.00 6480.14 07:22:01 PM 1.57 0.20 1.37 7.20 256.93 07:23:01 PM 11.35 2.82 8.53 170.10 295.68 Average: 75.91 5.19 70.72 887.15 5066.71 07:16:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:17:01 PM 13490360 15074212 2648956 16.41 2688 1810868 1158780 6.74 144416 2185912 41904 07:18:01 PM 13048756 15010148 3090560 19.15 2688 2169808 1163836 6.77 161932 2539420 191412 07:19:01 PM 11996304 14227880 4143012 25.67 2688 2434400 1920876 11.18 215572 3507596 96276 07:20:01 PM 10764860 13224776 5374456 33.30 2688 2659080 2674808 15.56 257020 4680960 183492 07:21:01 PM 9563244 12030372 6576072 40.75 2688 2666144 3692008 21.48 263792 5873156 2792 07:22:01 PM 9091396 11563744 7047920 43.67 2688 2671236 4098544 23.85 264528 6342772 808 07:23:01 PM 12475848 14971984 3663468 22.70 2688 2693796 1158912 6.74 459428 2770172 24784 Average: 11490110 13729017 4649206 28.81 2688 2443619 2266823 13.19 252384 3985713 77353 07:16:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:17:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:17:01 PM eth0 290.12 165.79 984.45 67.13 0.00 0.00 0.00 0.00 07:17:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:18:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:18:01 PM eth0 67.82 41.26 1150.83 6.44 0.00 0.00 0.00 0.00 07:18:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:19:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:19:01 PM eth0 214.52 188.34 2065.80 37.29 0.00 0.00 0.00 0.00 07:19:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:20:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:20:01 PM eth0 244.79 190.42 3373.09 29.36 0.00 0.00 0.00 0.00 07:20:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:21:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:21:01 PM eth0 90.37 56.26 40.74 49.94 0.00 0.00 0.00 0.00 07:21:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:22:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:22:01 PM eth0 227.81 152.30 72.26 69.19 0.00 0.00 0.00 0.00 07:22:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:23:01 PM lo 7.28 7.28 0.86 0.86 0.00 0.00 0.00 0.00 07:23:01 PM eth0 23.11 20.85 46.18 18.50 0.00 0.00 0.00 0.00 07:23:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.12 0.12 0.00 0.00 0.00 0.00 Average: eth0 165.52 116.47 1104.86 39.70 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) 19:15:21 LINUX RESTART (4 CPU) 07:16:01 PM CPU %user %nice %system %iowait %steal %idle 07:17:01 PM all 11.67 0.00 1.48 0.95 0.01 85.88 07:17:01 PM 0 12.39 0.00 1.60 0.55 0.02 85.44 07:17:01 PM 1 9.67 0.00 1.51 2.46 0.02 86.35 07:17:01 PM 2 9.34 0.00 0.96 0.27 0.02 89.42 07:17:01 PM 3 15.28 0.00 1.86 0.53 0.00 82.33 07:18:01 PM all 12.72 0.00 1.24 0.66 0.00 85.37 07:18:01 PM 0 21.09 0.00 2.18 0.82 0.00 75.91 07:18:01 PM 1 7.58 0.00 0.62 0.85 0.00 90.95 07:18:01 PM 2 6.83 0.00 0.82 0.30 0.00 92.05 07:18:01 PM 3 15.33 0.00 1.35 0.68 0.02 82.62 07:19:01 PM all 31.31 0.00 1.79 1.23 0.03 65.64 07:19:01 PM 0 32.17 0.00 2.75 2.46 0.05 62.58 07:19:01 PM 1 25.94 0.00 1.60 0.84 0.02 71.61 07:19:01 PM 2 32.14 0.00 1.96 1.57 0.03 64.30 07:19:01 PM 3 35.01 0.00 0.85 0.05 0.02 64.07 07:20:01 PM all 40.23 0.00 1.45 11.44 0.02 46.87 07:20:01 PM 0 47.89 0.00 1.64 13.50 0.02 36.95 07:20:01 PM 1 39.02 0.00 1.69 19.33 0.03 39.93 07:20:01 PM 2 38.95 0.00 1.17 5.83 0.02 54.03 07:20:01 PM 3 35.06 0.00 1.29 7.07 0.02 56.56 07:21:01 PM all 52.18 0.00 1.31 1.18 0.02 45.30 07:21:01 PM 0 64.71 0.00 1.70 0.28 0.02 33.28 07:21:01 PM 1 56.21 0.00 0.88 0.13 0.02 42.76 07:21:01 PM 2 58.67 0.00 0.93 0.00 0.02 40.38 07:21:01 PM 3 29.12 0.00 1.74 4.32 0.02 64.81 07:22:01 PM all 17.62 0.00 1.41 0.10 0.01 80.86 07:22:01 PM 0 17.55 0.00 1.35 0.00 0.02 81.08 07:22:01 PM 1 16.99 0.00 1.07 0.00 0.02 81.93 07:22:01 PM 2 18.80 0.00 1.57 0.33 0.02 79.28 07:22:01 PM 3 17.14 0.00 1.64 0.07 0.00 81.15 07:23:01 PM all 45.19 0.00 1.37 1.66 0.03 51.75 07:23:01 PM 0 60.54 0.00 2.10 4.21 0.03 33.12 07:23:01 PM 1 37.37 0.00 1.35 0.55 0.02 60.71 07:23:01 PM 2 44.49 0.00 1.27 0.17 0.02 54.06 07:23:01 PM 3 38.37 0.00 0.77 1.72 0.03 59.11 Average: all 30.14 0.00 1.44 2.46 0.02 65.95 Average: 0 36.62 0.00 1.90 3.12 0.02 58.33 Average: 1 27.55 0.00 1.25 3.45 0.02 67.74 Average: 2 29.90 0.00 1.24 1.21 0.02 67.63 Average: 3 26.47 0.00 1.36 2.06 0.01 70.10