---> uname -a: Linux prd-centos8-docker-4c-4g-11280.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 817 12033 19 2910 14606 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:c8:cc:2c brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.39/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86155sec preferred_lft 86155sec inet6 fe80::f816:3eff:fec8:cc2c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:81:dc:2f:e3 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) 06/12/2026 _x86_64_ (4 CPU) 13:22:46 LINUX RESTART (4 CPU) 01:23:03 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 264.73 21.66 243.06 5733.72 9708.58 01:25:01 PM 269.37 20.51 248.87 4174.43 15656.42 01:26:01 PM 35.39 0.60 34.79 17.85 7873.31 Average: 188.99 14.17 174.82 3281.32 11095.75 01:23:03 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 13139168 15058524 3000152 18.59 2688 2128764 1157144 6.73 152592 2472780 287712 01:25:01 PM 11540080 13921548 4599240 28.50 2688 2582204 2224916 12.94 247800 3927380 226532 01:26:01 PM 11110092 13494988 5029228 31.16 2688 2585424 2679724 15.59 256156 4348512 1172 Average: 11929780 14158353 4209540 26.08 2688 2432131 2020595 11.76 218849 3582891 171805 01:23:03 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 364.07 203.83 2101.73 72.34 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 1.38 1.38 0.12 0.12 0.00 0.00 0.00 0.00 01:25:01 PM eth0 403.60 279.58 4740.48 75.51 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 27.09 27.09 5.92 5.92 0.00 0.00 0.00 0.00 01:26:01 PM eth0 33.97 20.10 9.75 25.51 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 9.60 9.60 2.04 2.04 0.00 0.00 0.00 0.00 Average: eth0 266.14 167.44 2286.47 57.63 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) 06/12/2026 _x86_64_ (4 CPU) 13:22:46 LINUX RESTART (4 CPU) 01:23:03 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 26.83 0.00 3.19 1.16 0.08 68.74 01:24:01 PM 0 37.29 0.00 4.39 0.76 0.10 57.45 01:24:01 PM 1 20.69 0.00 1.99 0.50 0.07 76.75 01:24:01 PM 2 23.59 0.00 2.01 0.45 0.07 73.88 01:24:01 PM 3 25.72 0.00 4.39 2.93 0.09 66.86 01:25:01 PM all 51.30 0.00 3.02 1.71 0.12 43.85 01:25:01 PM 0 55.49 0.00 2.76 1.49 0.12 40.15 01:25:01 PM 1 40.15 0.00 3.09 1.45 0.12 55.19 01:25:01 PM 2 58.27 0.00 2.78 2.31 0.13 36.51 01:25:01 PM 3 51.27 0.00 3.46 1.59 0.12 43.56 01:26:01 PM all 19.05 0.00 0.78 0.19 0.07 79.91 01:26:01 PM 0 24.55 0.00 0.58 0.03 0.07 74.76 01:26:01 PM 1 14.18 0.00 0.83 0.35 0.07 84.57 01:26:01 PM 2 25.30 0.00 0.67 0.02 0.05 73.97 01:26:01 PM 3 12.15 0.00 1.05 0.35 0.08 86.36 Average: all 32.45 0.00 2.32 1.02 0.09 64.12 Average: 0 39.13 0.00 2.56 0.76 0.10 57.46 Average: 1 25.05 0.00 1.97 0.77 0.08 72.12 Average: 2 35.85 0.00 1.81 0.93 0.08 61.33 Average: 3 29.76 0.00 2.95 1.61 0.10 65.58