---> uname -a: Linux prd-centos8-docker-4c-4g-7326.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 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 818 11738 19 3204 14594 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:32:37:ff brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.204/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86005sec preferred_lft 86005sec inet6 fe80::f816:3eff:fe32:37ff/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:ef:3d:06:dc 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:efff:fe3d:6dc/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) 06/06/2026 _x86_64_ (4 CPU) 06:47:28 LINUX RESTART (4 CPU) 06:48:01 AM tps rtps wtps bread/s bwrtn/s 06:49:01 AM 175.10 15.10 160.01 3234.53 10759.14 06:50:01 AM 177.06 7.20 169.87 1033.62 13176.05 06:51:01 AM 30.56 0.05 30.51 1.07 7744.19 06:52:01 AM 2.83 1.70 1.13 51.05 210.00 06:53:01 AM 91.12 1.67 89.45 507.03 15382.39 06:54:01 AM 41.46 0.47 40.99 56.52 1789.99 Average: 86.36 4.36 81.99 813.93 8177.20 06:48:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:49:01 AM 12681288 14801612 3458024 21.43 2688 2326388 1425252 8.29 160340 2901948 258176 06:50:01 AM 10518848 12985456 5620464 34.82 2688 2665944 2974464 17.31 257464 4930168 222308 06:51:01 AM 10089880 12561440 6049432 37.48 2688 2670680 3245832 18.88 262912 5351564 840 06:52:01 AM 8622088 11104292 7517224 46.58 2688 2680964 4675548 27.20 266876 6811152 4072 06:53:01 AM 7896048 10809536 8243264 51.08 2688 3101812 5824172 33.89 395632 7357412 116 06:54:01 AM 12015600 14937808 4123712 25.55 2688 3109400 1775888 10.33 591788 3059160 9400 Average: 10303959 12866691 5835353 36.16 2688 2759198 3320193 19.32 322502 5068567 82485 06:48:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:49:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:49:01 AM eth0 147.68 113.55 2124.80 22.10 0.00 0.00 0.00 0.00 06:49:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:50:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:50:01 AM eth0 332.60 257.05 4699.85 34.80 0.00 0.00 0.00 0.00 06:50:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:51:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:51:01 AM eth0 20.11 19.46 3.83 29.87 0.00 0.00 0.00 0.00 06:51:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:52:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:52:01 AM eth0 21.59 20.19 4.52 18.12 0.00 0.00 0.00 0.00 06:52:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:53:01 AM lo 15.08 15.08 27.42 27.42 0.00 0.00 0.00 0.00 06:53:01 AM eth0 221.43 129.77 2829.83 11.06 0.00 0.00 0.00 0.00 06:53:01 AM docker0 0.17 0.27 0.01 0.02 0.00 0.00 0.00 0.00 06:53:01 AM vethfe915dd 0.17 0.42 0.01 0.03 0.00 0.00 0.00 0.00 06:53:01 AM br-dc38fb82ebdb 5.68 5.53 25.61 0.93 0.00 0.00 0.00 0.00 06:54:01 AM lo 1.15 1.15 0.08 0.08 0.00 0.00 0.00 0.00 06:54:01 AM eth0 28.80 23.61 22.88 10.52 0.00 0.00 0.00 0.00 06:54:01 AM docker0 0.12 0.13 0.01 0.01 0.00 0.00 0.00 0.00 Average: lo 2.70 2.70 4.58 4.58 0.00 0.00 0.00 0.00 Average: eth0 128.71 93.95 1614.40 21.08 0.00 0.00 0.00 0.00 Average: docker0 0.05 0.07 0.00 0.01 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) 06/06/2026 _x86_64_ (4 CPU) 06:47:28 LINUX RESTART (4 CPU) 06:48:01 AM CPU %user %nice %system %iowait %steal %idle 06:49:01 AM all 24.69 0.00 2.54 0.95 0.07 71.75 06:49:01 AM 0 16.25 0.00 1.90 0.57 0.07 81.21 06:49:01 AM 1 27.06 0.00 2.41 1.10 0.07 69.36 06:49:01 AM 2 14.87 0.00 1.36 0.92 0.07 82.79 06:49:01 AM 3 40.59 0.00 4.48 1.22 0.08 53.63 06:50:01 AM all 61.10 0.00 2.83 0.69 0.10 35.28 06:50:01 AM 0 54.69 0.00 3.40 0.73 0.10 41.07 06:50:01 AM 1 61.37 0.00 3.52 1.09 0.10 33.92 06:50:01 AM 2 66.20 0.00 1.74 0.63 0.10 31.32 06:50:01 AM 3 62.14 0.00 2.66 0.30 0.08 34.82 06:51:01 AM all 25.83 0.00 0.50 0.18 0.06 73.43 06:51:01 AM 0 23.04 0.00 0.63 0.07 0.07 76.19 06:51:01 AM 1 27.56 0.00 0.47 0.37 0.05 71.56 06:51:01 AM 2 28.45 0.00 0.32 0.10 0.07 71.06 06:51:01 AM 3 24.26 0.00 0.57 0.20 0.07 74.90 06:52:01 AM all 32.85 0.00 0.69 0.01 0.07 66.37 06:52:01 AM 0 42.77 0.00 1.00 0.00 0.07 56.16 06:52:01 AM 1 25.47 0.00 0.65 0.00 0.07 73.81 06:52:01 AM 2 22.75 0.00 0.38 0.00 0.07 76.80 06:52:01 AM 3 40.41 0.00 0.73 0.05 0.07 58.74 06:53:01 AM all 26.42 0.00 2.86 0.51 0.08 70.13 06:53:01 AM 0 24.19 0.00 2.40 0.37 0.08 72.95 06:53:01 AM 1 27.28 0.00 2.89 0.54 0.08 69.21 06:53:01 AM 2 22.86 0.00 3.50 0.82 0.08 72.73 06:53:01 AM 3 31.33 0.00 2.65 0.30 0.08 65.64 06:54:01 AM all 27.30 0.00 1.59 0.10 0.07 70.94 06:54:01 AM 0 17.58 0.00 1.50 0.08 0.07 80.77 06:54:01 AM 1 34.80 0.00 1.82 0.13 0.08 63.16 06:54:01 AM 2 32.75 0.00 1.57 0.15 0.07 65.46 06:54:01 AM 3 24.09 0.00 1.45 0.03 0.07 74.36 Average: all 33.04 0.00 1.83 0.41 0.08 64.65 Average: 0 29.76 0.00 1.81 0.30 0.08 68.05 Average: 1 33.93 0.00 1.96 0.54 0.08 63.50 Average: 2 31.33 0.00 1.47 0.44 0.08 66.68 Average: 3 37.13 0.00 2.09 0.35 0.08 60.35