---> uname -a: Linux prd-centos8-docker-8c-8g-11276.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 1014 28274 19 2598 30421 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:b4:ae:fd brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.22/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86159sec preferred_lft 86159sec inet6 fe80::f816:3eff:feb4:aefd/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:ff:fd:b5:72 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) 08/11/2026 _x86_64_ (8 CPU) 05:18:02 LINUX RESTART (8 CPU) 05:19:01 AM tps rtps wtps bread/s bwrtn/s 05:20:01 AM 216.21 3.62 212.60 640.56 15793.83 05:21:01 AM 108.91 1.78 107.13 664.85 6868.69 05:22:01 AM 54.92 1.30 53.62 112.91 4719.46 Average: 126.68 2.23 124.45 472.78 9127.21 05:19:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:20:01 AM 27897332 29881628 4756040 14.57 2688 2296244 2768640 8.22 177664 4088488 87424 05:21:01 AM 27351332 29511296 5302040 16.24 2688 2466436 2871048 8.52 233976 4556752 61576 05:22:01 AM 28940780 31141268 3712592 11.37 2688 2504652 1483908 4.40 432404 2769688 8496 Average: 28063148 30178064 4590224 14.06 2688 2422444 2374532 7.05 281348 3804976 52499 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 267.19 234.03 2248.45 63.32 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 160.36 129.62 1507.68 29.93 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 05:22:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:22:01 AM eth0 153.91 150.96 326.88 166.71 0.00 0.00 0.00 0.00 05:22:01 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 193.82 171.53 1361.01 86.65 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) 08/11/2026 _x86_64_ (8 CPU) 05:18:02 LINUX RESTART (8 CPU) 05:19:01 AM CPU %user %nice %system %iowait %steal %idle 05:20:01 AM all 21.06 0.00 1.45 0.62 0.07 76.80 05:20:01 AM 0 19.11 0.00 0.93 0.15 0.07 79.74 05:20:01 AM 1 22.76 0.00 1.39 0.79 0.07 75.00 05:20:01 AM 2 19.00 0.00 1.17 0.69 0.08 79.06 05:20:01 AM 3 16.41 0.00 1.44 1.02 0.08 81.04 05:20:01 AM 4 14.75 0.00 1.79 0.42 0.05 82.99 05:20:01 AM 5 20.85 0.00 1.20 0.17 0.07 77.71 05:20:01 AM 6 24.36 0.00 1.29 0.63 0.07 73.65 05:20:01 AM 7 31.17 0.00 2.42 1.10 0.07 65.24 05:21:01 AM all 44.09 0.00 1.50 0.32 0.09 54.00 05:21:01 AM 0 41.15 0.00 1.29 0.03 0.10 57.44 05:21:01 AM 1 46.66 0.00 1.85 0.70 0.10 50.68 05:21:01 AM 2 46.43 0.00 1.52 0.20 0.10 51.75 05:21:01 AM 3 44.15 0.00 1.70 0.70 0.08 53.37 05:21:01 AM 4 42.25 0.00 1.65 0.20 0.10 55.80 05:21:01 AM 5 54.08 0.00 1.22 0.20 0.08 44.42 05:21:01 AM 6 42.57 0.00 1.20 0.05 0.08 56.09 05:21:01 AM 7 35.41 0.00 1.52 0.47 0.10 62.50 05:22:01 AM all 17.58 0.00 1.38 0.11 0.06 80.87 05:22:01 AM 0 22.36 0.00 1.50 0.02 0.05 76.07 05:22:01 AM 1 14.36 0.00 1.17 0.02 0.05 84.40 05:22:01 AM 2 8.69 0.00 1.45 0.25 0.05 89.55 05:22:01 AM 3 23.07 0.00 1.59 0.25 0.07 75.03 05:22:01 AM 4 10.67 0.00 1.05 0.17 0.07 88.04 05:22:01 AM 5 22.72 0.00 1.37 0.03 0.05 75.83 05:22:01 AM 6 25.94 0.00 1.67 0.02 0.07 72.30 05:22:01 AM 7 12.76 0.00 1.25 0.13 0.05 85.80 Average: all 27.57 0.00 1.44 0.35 0.07 70.56 Average: 0 27.54 0.00 1.24 0.07 0.07 71.08 Average: 1 27.93 0.00 1.47 0.50 0.07 70.02 Average: 2 24.71 0.00 1.38 0.38 0.08 73.45 Average: 3 27.88 0.00 1.58 0.66 0.08 69.80 Average: 4 22.56 0.00 1.50 0.26 0.07 75.60 Average: 5 32.55 0.00 1.26 0.13 0.07 65.99 Average: 6 30.95 0.00 1.39 0.23 0.07 67.35 Average: 7 26.44 0.00 1.73 0.57 0.07 71.18