---> uname -a: Linux prd-centos8-docker-8c-8g-9565.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): 8 On-line CPU(s) list: 0-7 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 8 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): 0-7 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: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on devtmpfs 16G 0 16G 0% /dev tmpfs 16G 0 16G 0% /dev/shm tmpfs 16G 17M 16G 1% /run tmpfs 16G 0 16G 0% /sys/fs/cgroup /dev/vda1 160G 11G 150G 7% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31888 1006 28271 19 2610 30430 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:20:53:83 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.173/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86119sec preferred_lft 86119sec inet6 fe80::f816:3eff:fe20:5383/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:21:33:e4:26 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) 07/24/2026 _x86_64_ (8 CPU) 05:17:56 LINUX RESTART (8 CPU) 05:19:01 AM tps rtps wtps bread/s bwrtn/s 05:20:01 AM 167.41 2.83 164.57 363.81 13376.64 05:21:01 AM 158.46 2.55 155.91 941.42 7898.08 05:22:02 AM 69.51 1.13 68.37 81.85 6240.81 Average: 131.79 2.17 129.62 462.39 9171.77 05:19:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:20:01 AM 28581500 30511860 4071872 12.47 2688 2244448 2214172 6.57 166632 3426332 112376 05:21:01 AM 27336412 29494480 5316960 16.28 2688 2465088 3349312 9.94 229324 4580048 112108 05:22:02 AM 28944168 31153504 3709204 11.36 2688 2513372 1482152 4.40 421188 2779064 28648 Average: 28287360 30386615 4366012 13.37 2688 2407636 2348545 6.97 272381 3595148 84377 05:19:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:20:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:20:01 AM eth0 199.90 162.76 1594.85 51.41 0.00 0.00 0.00 0.00 05:20:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:21:01 AM lo 1.05 1.05 0.12 0.12 0.00 0.00 0.00 0.00 05:21:01 AM eth0 244.04 206.95 2332.69 40.36 0.00 0.00 0.00 0.00 05:21:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:22:02 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:22:02 AM eth0 167.16 163.44 355.95 172.03 0.00 0.00 0.00 0.00 05:22:02 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.35 0.35 0.04 0.04 0.00 0.00 0.00 0.00 Average: eth0 203.70 177.72 1427.88 87.93 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) 07/24/2026 _x86_64_ (8 CPU) 05:17:56 LINUX RESTART (8 CPU) 05:19:01 AM CPU %user %nice %system %iowait %steal %idle 05:20:01 AM all 16.42 0.00 1.36 1.19 0.06 80.97 05:20:01 AM 0 9.07 0.00 0.57 0.20 0.05 90.11 05:20:01 AM 1 22.43 0.00 1.54 2.26 0.07 73.70 05:20:01 AM 2 17.62 0.00 1.37 0.75 0.08 80.17 05:20:01 AM 3 14.06 0.00 1.55 2.76 0.07 81.56 05:20:01 AM 4 21.92 0.00 1.99 1.99 0.07 74.03 05:20:01 AM 5 10.77 0.00 1.39 0.90 0.05 86.88 05:20:01 AM 6 22.65 0.00 1.84 0.30 0.07 75.14 05:20:01 AM 7 12.85 0.00 0.62 0.35 0.05 86.13 05:21:01 AM all 39.82 0.00 1.41 0.43 0.11 58.23 05:21:01 AM 0 32.09 0.00 1.42 0.53 0.12 65.84 05:21:01 AM 1 34.63 0.00 1.27 0.50 0.10 63.50 05:21:01 AM 2 53.73 0.00 1.17 0.35 0.12 44.63 05:21:01 AM 3 41.40 0.00 1.82 0.65 0.12 56.01 05:21:01 AM 4 49.82 0.00 1.84 0.79 0.13 47.42 05:21:01 AM 5 34.97 0.00 1.32 0.23 0.10 63.38 05:21:01 AM 6 34.16 0.00 1.09 0.08 0.12 64.55 05:21:01 AM 7 37.78 0.00 1.32 0.32 0.12 60.46 05:22:02 AM all 26.66 0.00 1.46 0.15 0.08 71.66 05:22:02 AM 0 29.04 0.00 1.20 0.02 0.08 69.66 05:22:02 AM 1 46.23 0.00 1.97 0.17 0.10 51.53 05:22:02 AM 2 26.10 0.00 1.52 0.27 0.08 72.03 05:22:02 AM 3 21.72 0.00 1.24 0.07 0.07 76.91 05:22:02 AM 4 13.94 0.00 1.14 0.13 0.07 84.72 05:22:02 AM 5 22.69 0.00 1.44 0.17 0.07 75.64 05:22:02 AM 6 26.43 0.00 1.64 0.20 0.08 71.65 05:22:02 AM 7 27.07 0.00 1.55 0.15 0.07 71.16 Average: all 27.64 0.00 1.41 0.59 0.08 70.28 Average: 0 23.40 0.00 1.06 0.25 0.08 75.20 Average: 1 34.44 0.00 1.59 0.97 0.09 62.91 Average: 2 32.48 0.00 1.35 0.46 0.09 65.61 Average: 3 25.73 0.00 1.54 1.16 0.08 71.49 Average: 4 28.57 0.00 1.66 0.97 0.09 68.71 Average: 5 22.81 0.00 1.38 0.44 0.07 75.29 Average: 6 27.75 0.00 1.52 0.19 0.09 70.45 Average: 7 25.90 0.00 1.16 0.27 0.08 72.59