---> uname -a: Linux prd-centos8-docker-4c-4g-17461.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 854 11743 19 3162 14557 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:7d:4c:84 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.205/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86089sec preferred_lft 86089sec inet6 fe80::f816:3eff:fe7d:4c84/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:17:d6:66:fd 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 inet6 fe80::42:17ff:fed6:66fd/64 scope link 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) 06/18/2026 _x86_64_ (4 CPU) 11:49:22 LINUX RESTART (4 CPU) 11:50:01 AM tps rtps wtps bread/s bwrtn/s 11:51:01 AM 81.54 0.20 81.34 29.99 5399.07 11:52:01 AM 191.02 6.27 184.75 522.45 15201.98 11:53:01 AM 158.70 0.77 157.94 418.99 7549.18 11:54:01 AM 133.50 4.83 128.67 3374.85 24358.44 Average: 141.19 3.02 138.17 1086.66 13127.31 11:50:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:51:01 AM 13297272 15083160 2842048 17.61 2688 2001084 1144940 6.66 138920 2350200 172692 11:52:01 AM 12460220 14541608 3679100 22.80 2688 2285372 1698368 9.88 175280 3097820 69456 11:53:01 AM 12521772 14982504 3617548 22.41 2688 2658480 1463136 8.51 293544 2896788 233484 11:54:01 AM 12021904 14899816 4117416 25.51 2688 3062788 1252316 7.29 633512 3008996 7544 Average: 12575292 14876772 3564028 22.08 2688 2501931 1389690 8.09 310314 2838451 120794 11:50:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:51:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:51:01 AM eth0 304.68 198.27 986.07 17.83 0.00 0.00 0.00 0.00 11:51:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:52:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:52:01 AM eth0 294.65 224.41 1926.63 49.31 0.00 0.00 0.00 0.00 11:52:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:53:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:53:01 AM eth0 182.46 165.25 2146.43 31.34 0.00 0.00 0.00 0.00 11:53:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:54:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:54:01 AM eth0 179.89 124.99 1832.98 1048.43 0.00 0.00 0.00 0.00 11:54:01 AM docker0 33.73 30.62 518.42 4.14 0.00 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 240.41 178.22 1723.04 286.76 0.00 0.00 0.00 0.00 Average: docker0 8.43 7.66 129.62 1.03 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) 06/18/2026 _x86_64_ (4 CPU) 11:49:22 LINUX RESTART (4 CPU) 11:50:01 AM CPU %user %nice %system %iowait %steal %idle 11:51:01 AM all 11.89 0.00 1.12 1.72 0.08 85.21 11:51:01 AM 0 6.59 0.00 0.89 0.89 0.08 91.55 11:51:01 AM 1 3.92 0.00 0.45 0.47 0.08 95.07 11:51:01 AM 2 16.66 0.00 1.29 1.22 0.07 80.77 11:51:01 AM 3 20.37 0.00 1.84 4.28 0.07 73.44 11:52:01 AM all 33.45 0.00 2.44 4.52 0.11 59.47 11:52:01 AM 0 32.08 0.00 1.86 0.97 0.10 64.99 11:52:01 AM 1 25.57 0.00 2.70 7.24 0.12 64.37 11:52:01 AM 2 47.73 0.00 3.25 3.70 0.10 45.22 11:52:01 AM 3 28.63 0.00 1.99 6.23 0.12 63.03 11:53:01 AM all 43.53 0.00 2.92 1.39 0.12 52.04 11:53:01 AM 0 41.74 0.00 3.68 1.39 0.13 53.06 11:53:01 AM 1 40.93 0.00 2.23 0.89 0.10 55.86 11:53:01 AM 2 46.59 0.00 2.78 1.93 0.12 48.59 11:53:01 AM 3 44.87 0.00 3.01 1.35 0.12 50.65 11:54:01 AM all 18.44 0.00 3.14 2.66 0.12 75.65 11:54:01 AM 0 30.82 0.00 4.02 2.45 0.10 62.60 11:54:01 AM 1 13.27 0.00 2.53 4.16 0.12 79.92 11:54:01 AM 2 6.96 0.00 2.75 2.64 0.13 87.52 11:54:01 AM 3 22.66 0.00 3.25 1.38 0.12 72.60 Average: all 26.81 0.00 2.41 2.56 0.11 68.12 Average: 0 27.81 0.00 2.61 1.42 0.10 68.05 Average: 1 20.89 0.00 1.97 3.15 0.11 73.88 Average: 2 29.37 0.00 2.51 2.36 0.11 65.65 Average: 3 29.14 0.00 2.52 3.31 0.10 64.92