---> uname -a: Linux prd-centos8-docker-4c-4g-7059.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: 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): 0-3 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 755 12101 20 2903 14667 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:b1:27:10 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.1/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86163sec preferred_lft 86163sec inet6 fe80::f816:3eff:feb1:2710/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:1c:d6:2e:15 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) 10/05/2026 _x86_64_ (4 CPU) 01:25:22 LINUX RESTART (4 CPU) 01:26:01 AM tps rtps wtps bread/s bwrtn/s 01:27:01 AM 64.79 0.20 64.59 30.00 4552.76 01:28:01 AM 266.95 19.29 247.66 4115.68 15737.66 01:29:01 AM 63.44 2.60 60.84 132.38 8520.11 Average: 131.74 7.36 124.38 1426.31 9604.19 01:26:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:27:01 AM 13281416 15067148 2857900 17.71 2688 2001952 1162988 6.77 139124 2362288 173468 01:28:01 AM 11530544 13901752 4608772 28.56 2688 2572972 2332792 13.57 235444 3947876 233496 01:29:01 AM 12401000 15027196 3738316 23.16 2688 2825832 1139376 6.63 525172 2786128 264348 Average: 12404320 14665365 3734996 23.14 2688 2466919 1545052 8.99 299913 3032097 223771 01:26:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:27:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:27:01 AM eth0 102.88 79.45 946.88 9.15 0.00 0.00 0.00 0.00 01:27:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:28:01 AM lo 0.15 0.15 0.01 0.01 0.00 0.00 0.00 0.00 01:28:01 AM eth0 421.71 314.16 4832.09 59.13 0.00 0.00 0.00 0.00 01:28:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:29:01 AM lo 30.89 30.89 8.23 8.23 0.00 0.00 0.00 0.00 01:29:01 AM eth0 78.67 65.01 282.26 43.07 0.00 0.00 0.00 0.00 01:29:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 10.35 10.35 2.75 2.75 0.00 0.00 0.00 0.00 Average: eth0 201.11 152.89 2020.72 37.12 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) 10/05/2026 _x86_64_ (4 CPU) 01:25:22 LINUX RESTART (4 CPU) 01:26:01 AM CPU %user %nice %system %iowait %steal %idle 01:27:01 AM all 11.88 0.00 1.03 0.30 0.01 86.78 01:27:01 AM 0 7.09 0.00 0.78 0.17 0.02 91.94 01:27:01 AM 1 26.29 0.00 1.64 0.68 0.02 71.37 01:27:01 AM 2 6.38 0.00 0.95 0.30 0.00 92.37 01:27:01 AM 3 7.75 0.00 0.75 0.05 0.00 91.45 01:28:01 AM all 43.43 0.00 3.21 1.38 0.02 51.97 01:28:01 AM 0 38.97 0.00 2.45 1.30 0.02 57.27 01:28:01 AM 1 45.39 0.00 3.26 1.47 0.02 49.86 01:28:01 AM 2 48.24 0.00 2.56 0.50 0.02 48.68 01:28:01 AM 3 41.14 0.00 4.56 2.25 0.02 52.04 01:29:01 AM all 33.66 0.00 1.98 0.35 0.02 63.98 01:29:01 AM 0 38.37 0.00 1.60 0.02 0.00 60.01 01:29:01 AM 1 46.31 0.00 2.19 0.35 0.03 51.12 01:29:01 AM 2 25.56 0.00 1.87 0.94 0.02 71.62 01:29:01 AM 3 24.40 0.00 2.27 0.10 0.02 73.21 Average: all 29.65 0.00 2.07 0.68 0.01 67.58 Average: 0 28.15 0.00 1.61 0.49 0.01 69.74 Average: 1 39.33 0.00 2.36 0.84 0.02 57.46 Average: 2 26.72 0.00 1.80 0.58 0.01 70.89 Average: 3 24.41 0.00 2.53 0.80 0.01 72.26