---> uname -a: Linux prd-centos8-docker-8c-8g-11663.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 1033 27097 19 3757 30393 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:cf:d8:8a brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.246/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86139sec preferred_lft 86139sec inet6 fe80::f816:3eff:fecf:d88a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:37:3b:43:d2 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::42:37ff:fe3b:43d2/64 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) 08/12/2026 _x86_64_ (8 CPU) 17:11:59 LINUX RESTART (8 CPU) 05:13:02 PM tps rtps wtps bread/s bwrtn/s 05:14:01 PM 233.07 14.74 218.33 3276.99 15707.78 05:15:01 PM 492.97 6.33 486.64 1206.80 14473.74 05:16:01 PM 163.82 2.10 161.72 463.77 42217.61 Average: 296.97 7.68 289.28 1640.03 24181.10 05:13:02 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:14:01 PM 28732408 30850724 3920964 12.01 2688 2429556 1845296 5.48 202216 3230208 135392 05:15:01 PM 27581520 30212096 5071852 15.53 2688 2932008 2164600 6.42 420308 4121648 295084 05:16:01 PM 27791356 31168212 4862016 14.89 2688 3670388 1508264 4.48 824444 3484500 92096 Average: 28035095 30743677 4618277 14.14 2688 3010651 1839387 5.46 482323 3612119 174191 05:13:02 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 296.02 250.93 3041.02 58.17 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 619.38 487.72 7393.11 63.63 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 359.37 341.70 3505.48 2375.58 0.00 0.00 0.00 0.00 05:16:01 PM docker0 7.43 17.27 0.54 260.54 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 425.64 360.72 4655.44 836.87 0.00 0.00 0.00 0.00 Average: docker0 2.49 5.79 0.18 87.34 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) 08/12/2026 _x86_64_ (8 CPU) 17:11:59 LINUX RESTART (8 CPU) 05:13:02 PM CPU %user %nice %system %iowait %steal %idle 05:14:01 PM all 14.38 0.00 1.30 0.64 0.07 83.62 05:14:01 PM 0 5.51 0.00 0.90 0.27 0.05 93.27 05:14:01 PM 1 15.64 0.00 1.09 1.05 0.07 82.15 05:14:01 PM 2 24.32 0.00 2.13 0.54 0.09 72.92 05:14:01 PM 3 24.18 0.00 1.17 0.53 0.08 74.04 05:14:01 PM 4 14.96 0.00 1.09 0.46 0.07 83.42 05:14:01 PM 5 12.83 0.00 1.17 0.80 0.05 85.15 05:14:01 PM 6 7.85 0.00 1.10 0.54 0.07 90.44 05:14:01 PM 7 9.76 0.00 1.73 0.90 0.07 87.54 05:15:01 PM all 28.81 0.00 1.82 1.14 0.09 68.14 05:15:01 PM 0 30.58 0.00 1.12 0.33 0.10 67.86 05:15:01 PM 1 38.10 0.00 2.51 1.69 0.12 57.58 05:15:01 PM 2 24.34 0.00 2.74 3.78 0.08 69.05 05:15:01 PM 3 21.94 0.00 1.51 0.59 0.08 75.88 05:15:01 PM 4 23.20 0.00 1.74 1.16 0.08 73.81 05:15:01 PM 5 31.43 0.00 2.48 0.99 0.10 65.01 05:15:01 PM 6 26.91 0.00 1.17 0.12 0.08 71.71 05:15:01 PM 7 33.93 0.00 1.31 0.49 0.08 64.20 05:16:01 PM all 15.68 0.00 2.37 0.83 0.07 81.04 05:16:01 PM 0 12.73 0.00 2.08 0.80 0.07 84.32 05:16:01 PM 1 18.17 0.00 2.21 0.57 0.07 78.98 05:16:01 PM 2 29.89 0.00 3.15 1.84 0.08 65.04 05:16:01 PM 3 18.80 0.00 2.13 0.86 0.08 78.13 05:16:01 PM 4 5.73 0.00 1.53 0.10 0.07 92.57 05:16:01 PM 5 15.51 0.00 2.14 1.01 0.07 81.27 05:16:01 PM 6 8.99 0.00 2.63 0.75 0.07 87.55 05:16:01 PM 7 15.61 0.00 3.09 0.72 0.08 80.50 Average: all 19.65 0.00 1.83 0.87 0.08 77.57 Average: 0 16.33 0.00 1.37 0.47 0.07 81.76 Average: 1 24.02 0.00 1.94 1.11 0.08 72.85 Average: 2 26.20 0.00 2.68 2.06 0.08 68.98 Average: 3 21.63 0.00 1.61 0.66 0.08 76.03 Average: 4 14.64 0.00 1.46 0.57 0.07 83.26 Average: 5 19.96 0.00 1.93 0.93 0.07 77.10 Average: 6 14.62 0.00 1.64 0.47 0.07 83.20 Average: 7 19.81 0.00 2.04 0.70 0.08 77.37