---> uname -a: Linux prd-centos8-docker-4c-4g-11789.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 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 761 12097 19 2901 14661 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:a5:8e:9e brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.53/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86126sec preferred_lft 86126sec inet6 fe80::f816:3eff:fea5:8e9e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:d4:8a:f6:e8 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) 06/14/2026 _x86_64_ (4 CPU) 13:23:17 LINUX RESTART (4 CPU) 01:24:02 PM tps rtps wtps bread/s bwrtn/s 01:25:01 PM 107.13 4.98 102.15 2029.76 8403.24 01:26:01 PM 248.53 15.96 232.57 2293.50 18786.67 01:27:01 PM 30.48 0.52 29.96 16.53 1950.61 Average: 128.84 7.17 121.68 1443.39 9721.33 01:24:02 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:25:01 PM 13051400 15083672 3087920 19.13 2688 2240620 1403764 8.17 152132 2554040 277180 01:26:01 PM 11580600 13953864 4558720 28.25 2688 2574008 2099152 12.21 249368 3882620 47816 01:27:01 PM 11869764 14318648 4269556 26.45 2688 2648952 2073812 12.07 290916 3552292 73948 Average: 12167255 14452061 3972065 24.61 2688 2487860 1858909 10.82 230805 3329651 132981 01:24:02 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:25:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:25:01 PM eth0 112.76 75.09 1683.03 18.66 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 3.87 3.87 0.41 0.41 0.00 0.00 0.00 0.00 01:26:01 PM eth0 398.97 273.43 4167.01 61.73 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 01:27:01 PM lo 25.60 25.60 5.71 5.71 0.00 0.00 0.00 0.00 01:27:01 PM eth0 50.02 41.73 237.17 29.06 0.00 0.00 0.00 0.00 01:27:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 9.87 9.87 2.05 2.05 0.00 0.00 0.00 0.00 Average: eth0 187.68 130.40 2031.12 36.58 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) 06/14/2026 _x86_64_ (4 CPU) 13:23:17 LINUX RESTART (4 CPU) 01:24:02 PM CPU %user %nice %system %iowait %steal %idle 01:25:01 PM all 16.14 0.00 1.64 2.55 0.06 79.60 01:25:01 PM 0 10.78 0.00 1.14 2.31 0.05 85.73 01:25:01 PM 1 28.50 0.00 2.62 1.83 0.07 66.98 01:25:01 PM 2 12.53 0.00 1.24 2.82 0.07 83.34 01:25:01 PM 3 12.76 0.00 1.58 3.23 0.07 82.35 01:26:01 PM all 52.22 0.00 2.50 2.86 0.11 42.32 01:26:01 PM 0 42.30 0.00 2.26 2.96 0.12 52.36 01:26:01 PM 1 53.19 0.00 2.77 1.99 0.12 41.93 01:26:01 PM 2 49.49 0.00 3.03 3.14 0.10 44.24 01:26:01 PM 3 63.88 0.00 1.96 3.33 0.10 30.73 01:27:01 PM all 16.64 0.00 0.87 0.20 0.07 82.22 01:27:01 PM 0 12.92 0.00 1.00 0.03 0.07 85.98 01:27:01 PM 1 18.73 0.00 0.99 0.17 0.07 80.05 01:27:01 PM 2 14.20 0.00 0.94 0.43 0.07 84.36 01:27:01 PM 3 20.70 0.00 0.57 0.18 0.07 78.48 Average: all 28.39 0.00 1.67 1.87 0.08 67.99 Average: 0 22.05 0.00 1.47 1.76 0.08 74.64 Average: 1 33.50 0.00 2.12 1.33 0.08 62.97 Average: 2 25.48 0.00 1.74 2.13 0.08 70.58 Average: 3 32.55 0.00 1.37 2.24 0.08 63.76