---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-42600 5.15.0-186-generic #196-Ubuntu SMP Sat Jun 20 16:09:34 UTC 2026 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Address sizes: 40 bits physical, 48 bits virtual Byte Order: Little Endian CPU(s): 4 On-line CPU(s) list: 0-3 Vendor ID: AuthenticAMD Model name: AMD EPYC-Rome Processor CPU family: 23 Model: 49 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 Stepping: 0 BogoMIPS: 5599.99 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 clzero xsaveerptr wbnoinvd arat npt lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif umip rdpid arch_capabilities Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 128 KiB (4 instances) L1i cache: 128 KiB (4 instances) L2 cache: 2 MiB (4 instances) L3 cache: 64 MiB (4 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-3 Vulnerability Gather data sampling: Not affected Vulnerability Indirect target selection: Not affected Vulnerability Itlb multihit: Not affected Vulnerability L1tf: Not affected Vulnerability Mds: Not affected Vulnerability Meltdown: Not affected Vulnerability Mmio stale data: Not affected Vulnerability Reg file data sampling: Not affected Vulnerability Retbleed: Mitigation; untrained return thunk; SMT disabled Vulnerability Spec rstack overflow: Mitigation; SMT disabled Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Retpolines; IBPB conditional; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsa: Not affected Vulnerability Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 1.6G 1.1M 1.6G 1% /run /dev/vda1 78G 11G 68G 14% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 1.6G 4.0K 1.6G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15989 640 10771 4 4577 15005 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: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:23:e7:d0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.62/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82512sec preferred_lft 82512sec inet6 fe80::f816:3eff:fe23:e7d0/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5a:5a:b7:2e:cc:29 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-42600) 08/29/26 _x86_64_ (4 CPU) 19:44:24 LINUX RESTART (4 CPU) 19:50:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:00:19 2.09 0.00 2.08 0.01 0.04 28.72 0.67 20:10:00 1.53 0.00 1.53 0.00 0.00 26.29 0.00 20:20:19 2.09 0.00 2.09 0.00 0.01 38.00 0.03 20:30:19 1.76 0.00 1.76 0.00 0.00 73.05 0.00 20:40:06 10.80 2.32 7.90 0.58 138.30 2498.78 937.16 Average: 3.63 0.46 3.05 0.12 27.10 522.94 183.73 19:50:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:00:19 12961144 15494504 483624 2.95 93772 2634300 982616 5.64 335180 2750728 8 20:10:00 12955584 15490192 487816 2.98 94836 2634356 982744 5.64 336252 2754104 12 20:20:19 12950180 15487340 490500 3.00 96888 2634616 982940 5.64 338312 2762364 16 20:30:19 12927392 15471052 505816 3.09 99292 2637804 999972 5.74 340716 2785988 180 20:40:06 10623660 13919480 2040304 12.46 137472 3296840 2358000 13.53 551768 4828580 3916 Average: 12483592 15172514 801612 4.90 104452 2767583 1261254 7.24 380446 3176353 826 19:50:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:00:19 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 20:00:19 ens3 2.07 1.28 9.66 0.24 0.00 0.00 0.00 0.00 20:00:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:10:00 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 20:10:00 ens3 2.83 1.96 18.19 0.37 0.00 0.00 0.00 0.00 20:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:20:19 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 20:20:19 ens3 5.53 3.79 28.73 0.81 0.00 0.00 0.00 0.00 20:20:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:30:19 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 20:30:19 ens3 9.76 9.18 31.51 3.10 0.00 0.00 0.00 0.00 20:30:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:40:06 lo 0.84 0.84 0.08 0.08 0.00 0.00 0.00 0.00 20:40:06 ens3 63.30 52.98 561.05 11.86 0.00 0.00 0.00 0.00 20:40:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.24 0.24 0.02 0.02 0.00 0.00 0.00 0.00 Average: ens3 16.47 13.64 127.64 3.23 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-42600) 08/29/26 _x86_64_ (4 CPU) 19:44:24 LINUX RESTART (4 CPU) 19:50:08 CPU %user %nice %system %iowait %steal %idle 20:00:19 all 0.26 0.00 0.03 0.01 0.00 99.70 20:00:19 0 0.04 0.00 0.03 0.00 0.00 99.92 20:00:19 1 0.93 0.00 0.01 0.04 0.00 99.01 20:00:19 2 0.04 0.00 0.05 0.00 0.00 99.90 20:00:19 3 0.02 0.00 0.02 0.00 0.00 99.95 20:10:00 all 0.14 0.00 0.03 0.01 0.00 99.82 20:10:00 0 0.06 0.00 0.03 0.00 0.00 99.91 20:10:00 1 0.05 0.00 0.03 0.00 0.00 99.91 20:10:00 2 0.39 0.00 0.02 0.00 0.00 99.59 20:10:00 3 0.05 0.00 0.04 0.03 0.00 99.88 20:20:19 all 0.18 0.00 0.03 0.01 0.00 99.77 20:20:19 0 0.05 0.00 0.03 0.00 0.00 99.91 20:20:19 1 0.06 0.00 0.03 0.01 0.00 99.89 20:20:19 2 0.41 0.00 0.04 0.01 0.00 99.53 20:20:19 3 0.19 0.00 0.04 0.02 0.00 99.74 20:30:19 all 0.24 0.00 0.05 0.01 0.00 99.69 20:30:19 0 0.06 0.00 0.07 0.00 0.00 99.87 20:30:19 1 0.79 0.00 0.04 0.00 0.00 99.16 20:30:19 2 0.04 0.00 0.03 0.01 0.00 99.92 20:30:19 3 0.07 0.00 0.07 0.05 0.00 99.82 20:40:06 all 39.12 0.00 1.49 0.06 0.02 59.32 20:40:06 0 39.70 0.00 1.58 0.05 0.02 58.64 20:40:06 1 37.38 0.00 1.37 0.02 0.01 61.22 20:40:06 2 39.28 0.00 1.54 0.10 0.02 59.06 20:40:06 3 40.10 0.00 1.48 0.05 0.01 58.35 Average: all 7.81 0.00 0.32 0.02 0.00 91.84 Average: 0 7.81 0.00 0.34 0.01 0.01 91.83 Average: 1 7.67 0.00 0.29 0.02 0.00 92.02 Average: 2 7.86 0.00 0.33 0.02 0.01 91.78 Average: 3 7.92 0.00 0.32 0.03 0.00 91.73