---> uname -a: Linux prd-centos8-docker-4c-4g-4036.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 806 12050 19 2903 14617 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:c2:75:1e brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.87/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86159sec preferred_lft 86159sec inet6 fe80::f816:3eff:fec2:751e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:60:8a:b6:5c 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) 08/04/2026 _x86_64_ (4 CPU) 13:22:24 LINUX RESTART (4 CPU) 01:23:01 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 193.33 14.96 178.37 3222.53 10850.71 01:25:01 PM 177.89 6.23 171.66 1056.14 17068.82 01:26:01 PM 29.02 1.45 27.57 91.70 725.16 Average: 133.42 7.55 125.87 1456.67 9548.57 01:23:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 12713660 14819024 3425660 21.23 2688 2310772 1388348 8.08 187672 2838100 229656 01:25:01 PM 11424036 13800172 4715284 29.22 2688 2576816 2332520 13.57 255704 4033360 3060 01:26:01 PM 12316872 14943032 3822448 23.68 2688 2824460 1211040 7.05 531536 2864852 263768 Average: 12151523 14520743 3987797 24.71 2688 2570683 1643969 9.56 324971 3245437 165495 01:23:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:24:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:24:01 PM eth0 151.86 122.20 2035.67 27.95 0.00 0.00 0.00 0.00 01:24:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:25:01 PM lo 13.83 13.83 3.60 3.60 0.00 0.00 0.00 0.00 01:25:01 PM eth0 322.92 230.02 3725.98 48.92 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 14.85 14.85 2.46 2.46 0.00 0.00 0.00 0.00 01:26:01 PM eth0 70.69 76.44 272.05 926.78 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 9.56 9.56 2.02 2.02 0.00 0.00 0.00 0.00 Average: eth0 181.83 142.89 2011.33 334.55 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) 08/04/2026 _x86_64_ (4 CPU) 13:22:24 LINUX RESTART (4 CPU) 01:23:01 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 25.78 0.00 2.44 1.04 0.08 70.66 01:24:01 PM 0 21.96 0.00 2.25 1.12 0.08 74.59 01:24:01 PM 1 21.16 0.00 2.21 0.57 0.08 75.98 01:24:01 PM 2 23.07 0.00 2.34 1.36 0.08 73.15 01:24:01 PM 3 36.93 0.00 2.96 1.12 0.07 58.92 01:25:01 PM all 49.38 0.00 1.98 1.02 0.08 47.54 01:25:01 PM 0 31.98 0.00 2.89 1.02 0.08 64.03 01:25:01 PM 1 49.89 0.00 1.56 0.77 0.08 47.70 01:25:01 PM 2 59.29 0.00 1.54 1.12 0.10 37.95 01:25:01 PM 3 56.33 0.00 1.95 1.17 0.07 40.48 01:26:01 PM all 16.45 0.00 1.29 0.10 0.08 82.09 01:26:01 PM 0 9.99 0.00 1.50 0.28 0.07 88.16 01:26:01 PM 1 23.50 0.00 1.19 0.05 0.08 75.18 01:26:01 PM 2 18.61 0.00 1.09 0.05 0.07 80.19 01:26:01 PM 3 13.70 0.00 1.37 0.02 0.08 84.83 Average: all 30.53 0.00 1.90 0.72 0.08 66.77 Average: 0 21.30 0.00 2.21 0.81 0.08 75.60 Average: 1 31.51 0.00 1.65 0.46 0.08 66.29 Average: 2 33.67 0.00 1.65 0.84 0.08 63.75 Average: 3 35.66 0.00 2.09 0.77 0.07 61.41