---> uname -a: Linux prd-centos8-docker-4c-4g-6986.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 756 12100 20 2904 14665 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:fc:2b:c5 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.234/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86169sec preferred_lft 86169sec inet6 fe80::f816:3eff:fefc:2bc5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:ce:9b:1c:fb 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) 10/04/2026 _x86_64_ (4 CPU) 13:22:37 LINUX RESTART (4 CPU) 01:23:01 PM tps rtps wtps bread/s bwrtn/s 01:24:02 PM 213.47 13.04 200.43 2143.37 8096.99 01:25:01 PM 269.28 18.80 250.47 3952.30 15495.41 01:26:01 PM 54.50 3.20 51.30 157.01 8142.34 Average: 178.59 11.64 166.95 2074.01 10551.06 01:23:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:02 PM 13163576 15142252 2975732 18.44 2688 2188064 1100180 6.40 141204 2453712 337460 01:25:01 PM 11565780 13937260 4573528 28.34 2688 2573328 2155880 12.54 241236 3906056 225708 01:26:01 PM 12432596 15057980 3706712 22.97 2688 2824940 1114904 6.49 527596 2753156 262800 Average: 12387317 14712497 3751991 23.25 2688 2528777 1456988 8.48 303345 3037641 275323 01:23:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:24:02 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:24:02 PM eth0 230.26 139.47 2038.54 50.39 0.00 0.00 0.00 0.00 01:24:02 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:25:01 PM lo 0.15 0.15 0.01 0.01 0.00 0.00 0.00 0.00 01:25:01 PM eth0 364.02 300.12 4214.26 58.93 0.00 0.00 0.00 0.00 01:25:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:26:01 PM lo 32.11 32.11 8.31 8.31 0.00 0.00 0.00 0.00 01:26:01 PM eth0 90.64 83.84 277.97 948.95 0.00 0.00 0.00 0.00 01:26:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 10.81 10.81 2.79 2.79 0.00 0.00 0.00 0.00 Average: eth0 227.57 173.79 2165.76 354.33 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) 10/04/2026 _x86_64_ (4 CPU) 13:22:37 LINUX RESTART (4 CPU) 01:23:01 PM CPU %user %nice %system %iowait %steal %idle 01:24:02 PM all 21.84 0.00 2.54 1.18 0.02 74.42 01:24:02 PM 0 25.92 0.00 2.46 0.48 0.02 71.12 01:24:02 PM 1 26.01 0.00 2.81 0.58 0.03 70.56 01:24:02 PM 2 18.70 0.00 3.15 2.95 0.02 75.19 01:24:02 PM 3 16.71 0.00 1.74 0.72 0.00 80.82 01:25:01 PM all 47.66 0.00 3.15 1.40 0.03 47.77 01:25:01 PM 0 52.83 0.00 2.50 1.72 0.02 42.94 01:25:01 PM 1 43.02 0.00 3.73 1.48 0.03 51.74 01:25:01 PM 2 43.81 0.00 2.86 0.94 0.03 52.36 01:25:01 PM 3 50.95 0.00 3.51 1.47 0.03 44.04 01:26:01 PM all 30.24 0.00 2.11 0.32 0.01 67.32 01:26:01 PM 0 31.35 0.00 2.01 0.20 0.02 66.42 01:26:01 PM 1 21.24 0.00 2.31 0.50 0.00 75.95 01:26:01 PM 2 25.67 0.00 1.99 0.30 0.02 72.02 01:26:01 PM 3 42.70 0.00 2.13 0.27 0.02 54.89 Average: all 33.16 0.00 2.60 0.96 0.02 63.26 Average: 0 36.61 0.00 2.32 0.80 0.02 60.25 Average: 1 30.01 0.00 2.94 0.85 0.02 66.17 Average: 2 29.31 0.00 2.66 1.40 0.02 66.61 Average: 3 36.72 0.00 2.45 0.81 0.02 60.00