---> uname -a: Linux prd-centos8-docker-8c-8g-3314.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: 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): 0-7 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 1786 27467 20 2634 29650 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:d6:2a:2a brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.238/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86147sec preferred_lft 86147sec inet6 fe80::f816:3eff:fed6:2a2a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:b1:18:74:9c 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) 09/19/2026 _x86_64_ (8 CPU) 14:01:35 LINUX RESTART (8 CPU) 02:02:01 PM tps rtps wtps bread/s bwrtn/s 02:03:01 PM 207.75 7.08 200.67 1187.40 8001.73 02:04:01 PM 205.61 3.45 202.17 999.40 17572.11 02:05:01 PM 52.44 1.90 50.54 50.12 5053.17 Average: 155.27 4.14 151.13 745.66 10209.41 02:02:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:03:01 PM 29392564 31263756 3260808 9.99 2688 2189324 1389920 4.12 142316 2664812 314948 02:04:01 PM 27515272 29637696 5138100 15.74 2688 2433412 2795808 8.30 214720 4425048 68252 02:05:01 PM 28197588 30423820 4455784 13.65 2688 2535244 2046720 6.07 274896 3680560 42944 Average: 28368475 30441757 4284897 13.12 2688 2385993 2077483 6.16 210644 3590140 142048 02:02:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:03:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:03:01 PM eth0 149.48 97.95 1839.16 30.05 0.00 0.00 0.00 0.00 02:03:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:04:01 PM lo 1.12 1.12 0.12 0.12 0.00 0.00 0.00 0.00 02:04:01 PM eth0 285.75 256.51 3012.13 50.35 0.00 0.00 0.00 0.00 02:04:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:05:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:05:01 PM eth0 293.53 220.08 1127.21 148.79 0.00 0.00 0.00 0.00 02:05:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.37 0.37 0.04 0.04 0.00 0.00 0.00 0.00 Average: eth0 242.92 191.52 1992.89 76.39 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) 09/19/2026 _x86_64_ (8 CPU) 14:01:35 LINUX RESTART (8 CPU) 02:02:01 PM CPU %user %nice %system %iowait %steal %idle 02:03:01 PM all 10.31 0.00 1.22 0.57 0.00 87.91 02:03:01 PM 0 10.57 0.00 1.22 0.13 0.00 88.08 02:03:01 PM 1 7.69 0.00 2.11 2.58 0.00 87.63 02:03:01 PM 2 13.62 0.00 1.04 0.28 0.02 85.04 02:03:01 PM 3 1.91 0.00 0.33 0.10 0.00 97.66 02:03:01 PM 4 14.03 0.00 1.80 0.35 0.02 83.80 02:03:01 PM 5 21.42 0.00 1.47 0.47 0.00 76.64 02:03:01 PM 6 9.91 0.00 1.08 0.18 0.00 88.82 02:03:01 PM 7 3.29 0.00 0.67 0.45 0.00 95.59 02:04:01 PM all 38.59 0.00 1.76 0.53 0.01 59.11 02:04:01 PM 0 37.88 0.00 1.15 0.07 0.02 60.89 02:04:01 PM 1 24.66 0.00 2.19 1.00 0.02 72.13 02:04:01 PM 2 50.84 0.00 2.36 0.42 0.02 46.36 02:04:01 PM 3 47.56 0.00 1.96 0.79 0.02 49.67 02:04:01 PM 4 37.29 0.00 1.09 0.10 0.00 61.52 02:04:01 PM 5 27.73 0.00 2.34 1.29 0.02 68.62 02:04:01 PM 6 41.43 0.00 1.57 0.38 0.02 56.60 02:04:01 PM 7 41.28 0.00 1.40 0.17 0.02 57.13 02:05:01 PM all 35.27 0.00 1.72 0.15 0.01 62.84 02:05:01 PM 0 37.61 0.00 1.29 0.27 0.02 60.82 02:05:01 PM 1 37.88 0.00 1.89 0.23 0.02 59.98 02:05:01 PM 2 44.85 0.00 2.13 0.08 0.00 52.94 02:05:01 PM 3 37.87 0.00 2.37 0.18 0.02 59.56 02:05:01 PM 4 23.20 0.00 1.49 0.02 0.00 75.30 02:05:01 PM 5 30.94 0.00 1.52 0.20 0.02 67.32 02:05:01 PM 6 29.89 0.00 1.61 0.18 0.02 68.31 02:05:01 PM 7 39.93 0.00 1.49 0.03 0.02 58.53 Average: all 28.05 0.00 1.57 0.42 0.01 69.96 Average: 0 28.69 0.00 1.22 0.16 0.01 69.93 Average: 1 23.42 0.00 2.06 1.27 0.01 73.23 Average: 2 36.43 0.00 1.84 0.26 0.01 61.45 Average: 3 29.10 0.00 1.55 0.36 0.01 68.97 Average: 4 24.83 0.00 1.46 0.16 0.01 73.54 Average: 5 26.69 0.00 1.78 0.65 0.01 70.87 Average: 6 27.06 0.00 1.42 0.25 0.01 71.25 Average: 7 28.15 0.00 1.19 0.22 0.01 70.44