---> uname -a: Linux prd-centos8-docker-8c-8g-815.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 12G 149G 8% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31888 1051 27068 19 3767 30374 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:62:16:01 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.103/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86140sec preferred_lft 86140sec inet6 fe80::f816:3eff:fe62:1601/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:ec:d8:c5:e5 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:ecff:fed8:c5e5/64 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) 07/18/2026 _x86_64_ (8 CPU) 17:11:24 LINUX RESTART (8 CPU) 05:12:01 PM tps rtps wtps bread/s bwrtn/s 05:13:01 PM 174.53 14.66 159.86 3251.72 10693.67 05:14:01 PM 445.09 4.80 440.29 1165.81 17940.36 05:15:01 PM 263.00 2.37 260.63 398.67 43985.49 Average: 294.20 7.28 286.92 1605.42 24206.85 05:12:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:13:01 PM 28945940 30955904 3707432 11.35 2688 2325084 1841548 5.46 161100 3076756 237080 05:14:01 PM 27812524 30287324 4840848 14.82 2688 2779868 2136684 6.34 383680 3943132 241764 05:15:01 PM 27684792 31071152 4968580 15.22 2688 3681044 1548184 4.59 644052 3770944 162752 Average: 28147752 30771460 4505620 13.80 2688 2928665 1842139 5.47 396277 3596944 213865 05:12:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:13:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:13:01 PM eth0 177.87 141.09 2096.27 41.80 0.00 0.00 0.00 0.00 05:13:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 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 500.40 427.88 6626.48 59.00 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 529.84 447.63 6051.04 1280.10 0.00 0.00 0.00 0.00 05:15:01 PM docker0 7.18 14.45 0.53 260.19 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 402.70 338.86 4924.50 460.32 0.00 0.00 0.00 0.00 Average: docker0 2.39 4.82 0.18 86.73 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) 07/18/2026 _x86_64_ (8 CPU) 17:11:24 LINUX RESTART (8 CPU) 05:12:01 PM CPU %user %nice %system %iowait %steal %idle 05:13:01 PM all 11.76 0.00 1.15 0.62 0.06 86.41 05:13:01 PM 0 8.50 0.00 0.62 0.15 0.08 90.65 05:13:01 PM 1 2.41 0.00 0.77 1.57 0.08 95.16 05:13:01 PM 2 15.85 0.00 1.55 0.57 0.07 81.96 05:13:01 PM 3 32.09 0.00 2.69 0.65 0.07 64.51 05:13:01 PM 4 5.91 0.00 0.90 0.74 0.03 92.41 05:13:01 PM 5 7.95 0.00 0.62 0.28 0.05 91.10 05:13:01 PM 6 14.70 0.00 1.17 0.35 0.05 83.73 05:13:01 PM 7 6.63 0.00 0.90 0.63 0.05 91.78 05:14:01 PM all 29.15 0.00 1.80 1.31 0.10 67.63 05:14:01 PM 0 32.51 0.00 0.99 0.35 0.10 66.05 05:14:01 PM 1 22.87 0.00 2.18 2.33 0.10 72.52 05:14:01 PM 2 24.95 0.00 2.27 2.25 0.13 70.40 05:14:01 PM 3 31.52 0.00 2.11 1.64 0.10 64.62 05:14:01 PM 4 33.51 0.00 1.26 0.30 0.10 64.83 05:14:01 PM 5 38.92 0.00 2.11 1.56 0.10 57.31 05:14:01 PM 6 26.34 0.00 1.37 1.04 0.10 71.14 05:14:01 PM 7 22.57 0.00 2.11 1.00 0.10 74.21 05:15:01 PM all 18.51 0.00 2.51 0.90 0.08 78.00 05:15:01 PM 0 23.85 0.00 2.29 0.77 0.08 73.00 05:15:01 PM 1 17.94 0.00 2.52 1.39 0.08 78.06 05:15:01 PM 2 10.26 0.00 2.37 1.81 0.08 85.47 05:15:01 PM 3 22.42 0.00 2.20 0.22 0.10 75.07 05:15:01 PM 4 20.98 0.00 2.18 0.35 0.07 76.42 05:15:01 PM 5 11.89 0.00 3.24 0.91 0.08 83.88 05:15:01 PM 6 24.86 0.00 2.47 0.84 0.08 71.75 05:15:01 PM 7 15.89 0.00 2.78 0.92 0.07 80.34 Average: all 19.80 0.00 1.82 0.94 0.08 77.36 Average: 0 21.61 0.00 1.30 0.42 0.09 76.58 Average: 1 14.39 0.00 1.82 1.77 0.09 81.93 Average: 2 17.02 0.00 2.06 1.54 0.10 79.28 Average: 3 28.68 0.00 2.33 0.84 0.09 68.06 Average: 4 20.13 0.00 1.45 0.46 0.07 77.90 Average: 5 19.58 0.00 1.99 0.92 0.08 77.44 Average: 6 21.96 0.00 1.67 0.74 0.08 75.55 Average: 7 15.02 0.00 1.93 0.85 0.07 82.12