---> uname -a: Linux prd-centos8-docker-4c-4g-1281.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): 4 On-line CPU(s) list: 0-3 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 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): 0-3 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: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on devtmpfs 7.7G 0 7.7G 0% /dev tmpfs 7.7G 0 7.7G 0% /dev/shm tmpfs 7.7G 17M 7.7G 1% /run tmpfs 7.7G 0 7.7G 0% /sys/fs/cgroup /dev/vda1 80G 11G 70G 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 739 12108 19 2912 14684 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:c9:79:3c brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.194/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86145sec preferred_lft 86145sec inet6 fe80::f816:3eff:fec9:793c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:0e:a6:26:73 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) 07/23/2026 _x86_64_ (4 CPU) 05:29:22 LINUX RESTART (4 CPU) 05:30:03 AM tps rtps wtps bread/s bwrtn/s 05:31:01 AM 141.54 15.67 125.87 3349.47 10985.19 05:32:01 AM 231.03 6.28 224.75 1056.41 18007.56 05:33:01 AM 31.99 0.52 31.47 16.53 1701.37 Average: 134.78 7.40 127.39 1453.05 10223.34 05:30:03 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:31:01 AM 12954216 15036316 3185104 19.74 2688 2290424 1435328 8.35 153320 2644428 252104 05:32:01 AM 11640724 14026320 4498596 27.87 2688 2586392 2138372 12.44 245988 3824888 40724 05:33:01 AM 12465180 15090868 3674140 22.77 2688 2825344 1146228 6.67 345180 2904844 238984 Average: 12353373 14717835 3785947 23.46 2688 2567387 1573309 9.15 248163 3124720 177271 05:30:03 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:31:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:31:01 AM eth0 127.65 88.66 1970.34 17.26 0.00 0.00 0.00 0.00 05:31:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:32:01 AM lo 7.65 7.65 0.81 0.81 0.00 0.00 0.00 0.00 05:32:01 AM eth0 332.95 254.26 4130.41 48.84 0.00 0.00 0.00 0.00 05:32:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:33:01 AM lo 21.19 21.19 5.26 5.26 0.00 0.00 0.00 0.00 05:33:01 AM eth0 49.50 41.55 269.34 23.93 0.00 0.00 0.00 0.00 05:33:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 9.72 9.72 2.05 2.05 0.00 0.00 0.00 0.00 Average: eth0 170.52 128.61 2125.20 30.15 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) 07/23/2026 _x86_64_ (4 CPU) 05:29:22 LINUX RESTART (4 CPU) 05:30:03 AM CPU %user %nice %system %iowait %steal %idle 05:31:01 AM all 20.87 0.00 1.96 1.15 0.09 75.92 05:31:01 AM 0 26.58 0.00 2.57 1.09 0.09 69.68 05:31:01 AM 1 18.69 0.00 1.78 1.16 0.10 78.27 05:31:01 AM 2 23.23 0.00 2.08 1.56 0.09 73.05 05:31:01 AM 3 14.97 0.00 1.40 0.81 0.09 82.72 05:32:01 AM all 55.43 0.00 2.51 2.63 0.13 39.30 05:32:01 AM 0 61.17 0.00 2.95 2.44 0.13 33.31 05:32:01 AM 1 49.89 0.00 3.44 3.78 0.13 42.75 05:32:01 AM 2 46.20 0.00 2.09 2.34 0.13 49.23 05:32:01 AM 3 64.41 0.00 1.57 1.95 0.12 31.95 05:33:01 AM all 14.90 0.00 0.97 0.17 0.07 83.89 05:33:01 AM 0 15.34 0.00 1.20 0.28 0.07 83.10 05:33:01 AM 1 17.21 0.00 0.90 0.07 0.07 81.75 05:33:01 AM 2 10.41 0.00 1.07 0.27 0.08 88.17 05:33:01 AM 3 16.63 0.00 0.72 0.07 0.05 82.54 Average: all 30.51 0.00 1.81 1.32 0.10 66.27 Average: 0 34.46 0.00 2.24 1.27 0.10 61.93 Average: 1 28.70 0.00 2.04 1.67 0.10 67.48 Average: 2 26.64 0.00 1.74 1.39 0.10 70.13 Average: 3 32.21 0.00 1.23 0.95 0.08 65.53