---> uname -a: Linux prd-centos8-docker-4c-4g-5080.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 12G 69G 15% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 1674 10077 19 4008 13737 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:66:c3:1d brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.0/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86057sec preferred_lft 86057sec inet6 fe80::f816:3eff:fe66:c31d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:60:47:3b:80 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::42:60ff:fe47:3b80/64 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) 07/04/2026 _x86_64_ (4 CPU) 09:28:11 LINUX RESTART (4 CPU) 09:29:01 AM tps rtps wtps bread/s bwrtn/s 09:30:01 AM 224.80 4.87 219.93 445.13 13417.46 09:31:01 AM 221.87 2.58 219.29 796.93 36269.58 09:32:01 AM 1090.17 95.07 995.10 1697.43 28636.24 09:33:01 AM 74.39 25.01 49.38 460.32 3785.87 Average: 402.82 31.88 370.94 849.99 20528.94 09:29:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:30:01 AM 12448444 14569216 3690876 22.87 2688 2324180 1608404 9.36 167636 3111784 228572 09:31:01 AM 11092376 14077248 5046944 31.27 2688 3160992 1872400 10.89 361728 4173336 36908 09:32:01 AM 9898508 13562332 6240812 38.67 2688 3652556 1940472 11.29 411076 4919460 6768 09:33:01 AM 10390652 14128768 5748668 35.62 2688 3723628 1701848 9.90 515980 4336900 112 Average: 10957495 14084391 5181825 32.11 2688 3215339 1780781 10.36 364105 4135370 68090 09:29:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:30:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:01 AM eth0 225.33 183.49 2969.31 35.68 0.00 0.00 0.00 0.00 09:30:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:31:01 AM lo 6.25 6.25 4.59 4.59 0.00 0.00 0.00 0.00 09:31:01 AM eth0 350.99 259.49 5514.42 35.00 0.00 0.00 0.00 0.00 09:31:01 AM docker0 3.22 3.13 4.08 0.45 0.00 0.00 0.00 0.00 09:32:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:32:01 AM eth0 114.63 71.49 962.67 12.59 0.00 0.00 0.00 0.00 09:32:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:33:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:33:01 AM eth0 223.28 144.73 399.82 59.43 0.00 0.00 0.00 0.00 09:33:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.56 1.56 1.15 1.15 0.00 0.00 0.00 0.00 Average: eth0 228.56 164.80 2461.75 35.67 0.00 0.00 0.00 0.00 Average: docker0 0.80 0.78 1.02 0.11 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) 07/04/2026 _x86_64_ (4 CPU) 09:28:11 LINUX RESTART (4 CPU) 09:29:01 AM CPU %user %nice %system %iowait %steal %idle 09:30:01 AM all 24.79 0.00 2.41 1.72 0.10 70.97 09:30:01 AM 0 14.75 0.00 2.42 2.15 0.12 80.56 09:30:01 AM 1 22.17 0.00 1.97 2.06 0.10 73.70 09:30:01 AM 2 38.93 0.00 2.93 1.71 0.08 56.35 09:30:01 AM 3 23.35 0.00 2.34 0.99 0.10 73.22 09:31:01 AM all 49.83 0.11 4.69 2.03 0.08 43.25 09:31:01 AM 0 48.36 0.05 4.79 2.43 0.08 44.29 09:31:01 AM 1 49.88 0.14 4.64 1.25 0.08 44.01 09:31:01 AM 2 52.07 0.17 3.81 1.18 0.08 42.69 09:31:01 AM 3 48.98 0.10 5.53 3.28 0.08 42.02 09:32:01 AM all 27.72 0.00 10.61 8.12 0.09 53.46 09:32:01 AM 0 21.97 0.00 11.45 8.73 0.09 57.76 09:32:01 AM 1 39.50 0.00 9.93 5.81 0.10 44.66 09:32:01 AM 2 25.68 0.00 10.30 10.37 0.09 53.57 09:32:01 AM 3 23.68 0.00 10.78 7.60 0.09 57.85 09:33:01 AM all 47.36 0.00 2.29 0.39 0.09 49.87 09:33:01 AM 0 51.96 0.00 2.68 0.35 0.08 44.93 09:33:01 AM 1 47.15 0.00 2.06 0.32 0.08 50.39 09:33:01 AM 2 63.05 0.00 2.41 0.38 0.10 34.05 09:33:01 AM 3 27.29 0.00 2.01 0.52 0.08 70.10 Average: all 37.44 0.03 4.98 3.05 0.09 54.42 Average: 0 34.27 0.01 5.30 3.39 0.09 56.93 Average: 1 39.65 0.03 4.63 2.35 0.09 53.25 Average: 2 45.04 0.04 4.83 3.37 0.09 46.63 Average: 3 30.83 0.03 5.14 3.08 0.09 60.84