---> uname -a: Linux prd-centos8-docker-8c-8g-9200.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 13G 148G 8% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31888 1066 26331 19 4489 30351 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:63:c6:ee brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.73/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86120sec preferred_lft 86120sec inet6 fe80::f816:3eff:fe63:c6ee/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:fc:58:e6:e3 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:fcff:fe58:e6e3/64 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) 07/12/2026 _x86_64_ (8 CPU) 07:31:01 LINUX RESTART (8 CPU) 07:32:01 AM tps rtps wtps bread/s bwrtn/s 07:33:01 AM 294.20 16.71 277.49 3198.27 17015.39 07:34:01 AM 164.28 4.37 159.91 1501.77 40531.87 07:35:01 AM 197.75 15.79 181.96 5159.61 3410.81 Average: 218.74 12.29 206.45 3286.55 20319.36 07:32:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:33:01 AM 28431460 30735364 4221912 12.93 2688 2614132 1863456 5.53 205976 3523524 316528 07:34:01 AM 26111904 29317780 6541468 20.03 2688 3498328 4950336 14.69 341788 5625800 284 07:35:01 AM 26963224 31077992 5690148 17.43 2688 4401008 1521068 4.51 752512 4357816 725860 Average: 27168863 30377045 5484509 16.80 2688 3504489 2778287 8.24 433425 4502380 347557 07:32:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:33:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:33:01 AM eth0 475.77 361.18 6094.76 61.29 0.00 0.00 0.00 0.00 07:33:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:34:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:34:01 AM eth0 1852.10 528.04 7385.09 43.01 0.00 0.00 0.00 0.00 07:34:01 AM docker0 0.00 0.08 0.00 0.01 0.00 0.00 0.00 0.00 07:34:01 AM veth571e1af 0.00 0.20 0.00 0.02 0.00 0.00 0.00 0.00 07:35:01 AM lo 12.91 12.91 1.35 1.35 0.00 0.00 0.00 0.00 07:35:01 AM eth0 166.28 147.82 1717.35 312.22 0.00 0.00 0.00 0.00 07:35:01 AM docker0 4.80 5.85 0.65 0.68 0.00 0.00 0.00 0.00 Average: lo 4.30 4.30 0.45 0.45 0.00 0.00 0.00 0.00 Average: eth0 831.38 345.68 5065.73 138.84 0.00 0.00 0.00 0.00 Average: docker0 1.60 1.98 0.22 0.23 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) 07/12/2026 _x86_64_ (8 CPU) 07:31:01 LINUX RESTART (8 CPU) 07:32:01 AM CPU %user %nice %system %iowait %steal %idle 07:33:01 AM all 15.41 0.00 1.62 0.84 0.07 82.07 07:33:01 AM 0 9.65 0.00 1.39 0.37 0.08 88.51 07:33:01 AM 1 11.11 0.00 1.42 1.15 0.07 86.24 07:33:01 AM 2 20.72 0.00 1.87 1.57 0.08 75.75 07:33:01 AM 3 10.39 0.00 1.20 0.57 0.05 87.78 07:33:01 AM 4 15.70 0.00 1.37 0.40 0.07 82.46 07:33:01 AM 5 15.60 0.00 2.01 1.02 0.05 81.32 07:33:01 AM 6 12.35 0.00 1.10 0.40 0.05 86.10 07:33:01 AM 7 27.75 0.00 2.58 1.20 0.10 68.37 07:34:01 AM all 31.74 0.00 2.55 0.77 0.09 64.85 07:34:01 AM 0 33.60 0.00 2.98 0.40 0.08 62.94 07:34:01 AM 1 42.21 0.00 2.41 0.54 0.10 54.74 07:34:01 AM 2 42.36 0.00 2.55 0.46 0.08 54.55 07:34:01 AM 3 36.99 0.00 2.39 0.77 0.08 59.76 07:34:01 AM 4 21.08 0.00 2.02 1.26 0.08 75.55 07:34:01 AM 5 32.11 0.00 2.81 2.24 0.10 62.73 07:34:01 AM 6 14.10 0.00 2.97 0.39 0.07 82.47 07:34:01 AM 7 31.45 0.00 2.30 0.10 0.08 66.06 07:35:01 AM all 24.11 0.60 2.75 0.52 0.08 71.95 07:35:01 AM 0 27.59 0.39 2.39 0.54 0.08 69.02 07:35:01 AM 1 25.92 0.00 2.92 0.05 0.07 71.04 07:35:01 AM 2 18.18 0.00 2.55 0.67 0.08 78.52 07:35:01 AM 3 19.79 0.03 2.56 0.23 0.08 77.30 07:35:01 AM 4 19.86 0.03 2.98 0.35 0.08 76.69 07:35:01 AM 5 27.77 0.08 2.35 0.30 0.07 69.43 07:35:01 AM 6 24.28 0.00 2.20 0.18 0.08 73.25 07:35:01 AM 7 29.45 4.24 4.04 1.79 0.08 60.40 Average: all 23.73 0.20 2.31 0.71 0.08 72.98 Average: 0 23.59 0.13 2.25 0.44 0.08 73.51 Average: 1 26.38 0.00 2.25 0.58 0.08 70.71 Average: 2 27.04 0.00 2.32 0.90 0.08 69.65 Average: 3 22.36 0.01 2.05 0.53 0.07 74.98 Average: 4 18.88 0.01 2.12 0.67 0.08 78.24 Average: 5 25.15 0.03 2.39 1.19 0.07 71.18 Average: 6 16.91 0.00 2.09 0.32 0.07 80.61 Average: 7 29.55 1.41 2.97 1.03 0.09 64.94