---> uname -a: Linux prd-centos8-docker-4c-4g-2221.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 771 12085 19 2904 14652 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:33:d8:07 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.253/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86120sec preferred_lft 86120sec inet6 fe80::f816:3eff:fe33:d807/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:49:03:a0:b9 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) 08/03/2026 _x86_64_ (4 CPU) 11:28:52 LINUX RESTART (4 CPU) 11:29:01 AM tps rtps wtps bread/s bwrtn/s 11:30:01 AM 219.91 87.35 132.56 11476.19 41899.95 11:31:01 AM 240.12 14.86 225.26 3219.86 15936.60 11:32:01 AM 84.94 6.23 78.70 1056.49 8976.32 11:33:01 AM 29.51 1.45 28.06 91.72 684.37 Average: 143.63 27.48 116.15 3961.35 16875.31 11:29:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:30:01 AM 13325196 15103096 2814124 17.44 2688 1993224 1119612 6.51 143920 2316244 193192 11:31:01 AM 12524876 14825220 3614444 22.40 2688 2503088 1348328 7.84 193356 3008532 209884 11:32:01 AM 11493112 13869716 4646208 28.79 2688 2577176 2229256 12.97 256228 3962600 2392 11:33:01 AM 12437404 15064140 3701916 22.94 2688 2825492 1148216 6.68 353272 2924976 263796 Average: 12445147 14715543 3694173 22.89 2688 2474745 1461353 8.50 236694 3053088 167316 11:29:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:30:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:01 AM eth0 346.32 186.47 1729.82 75.83 0.00 0.00 0.00 0.00 11:30:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:31:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:31:01 AM eth0 374.98 272.99 4343.08 47.14 0.00 0.00 0.00 0.00 11:31:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:32:01 AM lo 12.85 12.85 3.54 3.54 0.00 0.00 0.00 0.00 11:32:01 AM eth0 98.80 71.34 610.90 26.83 0.00 0.00 0.00 0.00 11:32:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:33:01 AM lo 16.16 16.16 2.55 2.55 0.00 0.00 0.00 0.00 11:33:01 AM eth0 90.55 90.92 279.16 942.13 0.00 0.00 0.00 0.00 11:33:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 7.25 7.25 1.52 1.52 0.00 0.00 0.00 0.00 Average: eth0 227.67 155.44 1740.85 272.96 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) 08/03/2026 _x86_64_ (4 CPU) 11:28:52 LINUX RESTART (4 CPU) 11:29:01 AM CPU %user %nice %system %iowait %steal %idle 11:30:01 AM all 25.00 0.00 4.12 4.19 0.10 66.58 11:30:01 AM 0 30.95 0.00 4.92 10.37 0.10 53.66 11:30:01 AM 1 18.58 0.00 3.36 2.13 0.12 75.81 11:30:01 AM 2 21.51 0.00 3.87 1.86 0.08 72.67 11:30:01 AM 3 28.96 0.00 4.32 2.41 0.12 64.20 11:31:01 AM all 23.27 0.00 2.57 2.13 0.09 71.94 11:31:01 AM 0 14.57 0.00 2.07 1.49 0.10 81.77 11:31:01 AM 1 22.09 0.00 1.92 1.71 0.08 74.20 11:31:01 AM 2 26.70 0.00 3.63 2.45 0.10 67.12 11:31:01 AM 3 29.72 0.00 2.64 2.90 0.08 64.65 11:32:01 AM all 47.89 0.00 1.30 0.68 0.10 50.04 11:32:01 AM 0 44.05 0.00 1.67 0.20 0.08 54.00 11:32:01 AM 1 40.30 0.00 1.07 0.67 0.10 57.86 11:32:01 AM 2 49.21 0.00 1.72 1.44 0.10 47.54 11:32:01 AM 3 57.97 0.00 0.75 0.40 0.10 40.78 11:33:01 AM all 15.05 0.00 1.21 0.13 0.06 83.55 11:33:01 AM 0 10.72 0.00 1.17 0.00 0.05 88.06 11:33:01 AM 1 13.30 0.00 0.87 0.18 0.07 85.58 11:33:01 AM 2 24.71 0.00 1.77 0.22 0.07 73.23 11:33:01 AM 3 11.49 0.00 1.04 0.12 0.05 87.31 Average: all 27.81 0.00 2.30 1.78 0.09 68.02 Average: 0 25.08 0.00 2.46 3.01 0.08 69.37 Average: 1 23.57 0.00 1.81 1.17 0.09 73.36 Average: 2 30.55 0.00 2.75 1.49 0.09 65.13 Average: 3 32.04 0.00 2.19 1.45 0.09 64.23