---> uname -a: Linux prd-centos8-docker-8c-8g-14612.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 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 12G 149G 8% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31888 1047 27072 19 3767 30378 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:2f:c7:7d brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.179/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86148sec preferred_lft 86148sec inet6 fe80::f816:3eff:fe2f:c77d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:6c:66:f5:10 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::42:6cff:fe66:f510/64 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) 08/23/2026 _x86_64_ (8 CPU) 17:12:27 LINUX RESTART (8 CPU) 05:13:01 PM tps rtps wtps bread/s bwrtn/s 05:14:01 PM 194.55 14.63 179.92 3147.22 10685.22 05:15:01 PM 431.57 5.53 426.04 1231.46 18407.00 05:16:01 PM 250.83 2.53 248.30 400.40 43465.51 Average: 292.32 7.56 284.76 1593.02 24185.91 05:13:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:14:01 PM 28815860 30862544 3837512 11.75 2688 2361388 1813740 5.38 164540 3202544 285108 05:15:01 PM 27709432 30184428 4943940 15.14 2688 2780024 2214964 6.57 399140 4028680 233468 05:16:01 PM 27694992 31075892 4958380 15.18 2688 3674704 1564076 4.64 642064 3764396 165096 Average: 28073428 30707621 4579944 14.03 2688 2938705 1864260 5.53 401915 3665207 227891 05:13:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:14:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:14:01 PM eth0 235.17 185.34 2727.73 46.23 0.00 0.00 0.00 0.00 05:14:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:15:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:15:01 PM eth0 485.02 407.58 5997.70 57.10 0.00 0.00 0.00 0.00 05:15:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:16:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:16:01 PM eth0 549.18 458.63 6028.25 1278.63 0.00 0.00 0.00 0.00 05:16:01 PM docker0 7.78 18.89 0.56 260.69 0.00 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 423.13 350.52 4917.89 460.65 0.00 0.00 0.00 0.00 Average: docker0 2.59 6.30 0.19 86.90 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) 08/23/2026 _x86_64_ (8 CPU) 17:12:27 LINUX RESTART (8 CPU) 05:13:01 PM CPU %user %nice %system %iowait %steal %idle 05:14:01 PM all 12.77 0.00 1.23 0.53 0.05 85.42 05:14:01 PM 0 6.60 0.00 0.50 0.15 0.05 92.70 05:14:01 PM 1 6.17 0.00 0.75 0.59 0.08 92.40 05:14:01 PM 2 7.12 0.00 1.10 0.97 0.05 90.75 05:14:01 PM 3 24.32 0.00 1.90 0.63 0.05 73.10 05:14:01 PM 4 7.13 0.00 0.90 0.38 0.03 91.55 05:14:01 PM 5 8.77 0.00 0.75 0.35 0.03 90.09 05:14:01 PM 6 21.44 0.00 2.17 0.37 0.05 75.97 05:14:01 PM 7 20.59 0.00 1.74 0.77 0.05 76.86 05:15:01 PM all 31.57 0.00 1.90 1.14 0.09 65.31 05:15:01 PM 0 24.91 0.00 3.51 4.19 0.10 67.29 05:15:01 PM 1 48.22 0.00 2.13 1.01 0.08 48.56 05:15:01 PM 2 44.22 0.00 1.49 0.84 0.08 53.37 05:15:01 PM 3 31.18 0.00 1.84 0.94 0.08 65.96 05:15:01 PM 4 30.20 0.00 1.99 0.52 0.08 67.21 05:15:01 PM 5 17.49 0.00 1.26 0.69 0.08 80.48 05:15:01 PM 6 24.48 0.00 1.49 0.50 0.10 73.43 05:15:01 PM 7 31.78 0.00 1.46 0.47 0.08 66.20 05:16:01 PM all 18.07 0.00 2.75 0.88 0.07 78.23 05:16:01 PM 0 20.08 0.00 2.23 0.35 0.07 77.27 05:16:01 PM 1 25.46 0.00 3.78 2.56 0.08 68.11 05:16:01 PM 2 16.66 0.00 3.53 0.86 0.08 78.86 05:16:01 PM 3 7.28 0.00 2.44 1.34 0.07 88.88 05:16:01 PM 4 17.85 0.00 2.45 0.49 0.07 79.15 05:16:01 PM 5 19.57 0.00 2.54 0.59 0.07 77.24 05:16:01 PM 6 15.76 0.00 2.33 0.32 0.07 81.53 05:16:01 PM 7 21.93 0.00 2.70 0.52 0.07 74.79 Average: all 20.79 0.00 1.96 0.85 0.07 76.33 Average: 0 17.17 0.00 2.08 1.56 0.07 79.12 Average: 1 26.61 0.00 2.22 1.38 0.08 69.71 Average: 2 22.67 0.00 2.04 0.89 0.07 74.33 Average: 3 20.94 0.00 2.06 0.97 0.07 75.96 Average: 4 18.38 0.00 1.78 0.46 0.06 79.31 Average: 5 15.26 0.00 1.52 0.54 0.06 82.62 Average: 6 20.56 0.00 2.00 0.40 0.07 76.98 Average: 7 24.76 0.00 1.96 0.59 0.07 72.62