---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-42579 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 12G 67G 15% / 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 671 9578 4 5739 14974 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:4e:a0:0c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.252/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82652sec preferred_lft 82652sec inet6 fe80::f816:3eff:fe4e:a00c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0e:48:1d:46:3f:4c 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-42579) 08/29/26 _x86_64_ (4 CPU) 19:43:50 LINUX RESTART (4 CPU) 19:50:33 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:00:33 2.32 0.01 2.31 0.01 0.07 36.92 1.33 20:10:33 1.97 0.00 1.97 0.00 0.00 37.83 0.00 20:20:01 16.39 2.62 12.15 1.62 153.34 2848.49 28616.67 20:30:33 40.97 0.01 34.87 6.08 0.49 1423.38 118006.91 20:40:29 32.78 0.20 28.15 4.44 6.02 6266.53 28153.84 Average: 19.13 0.54 16.12 2.47 30.38 2102.87 35917.46 19:50:33 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:00:33 12757140 15478420 488684 2.98 99540 2806336 1000244 5.74 381736 2885336 228 20:10:33 12752032 15475692 491116 3.00 101496 2806476 1000560 5.74 383676 2892076 8 20:20:01 10156440 13730492 2228100 13.61 133140 3557456 2547760 14.62 674056 5148280 26752 20:30:33 9026216 12800348 3155732 19.27 166480 3708388 3325336 19.09 739588 6177852 712 20:40:29 7571040 12915540 3031392 18.51 195060 5169124 3080744 17.68 1310700 6965860 9832 Average: 10452574 14080098 1879005 11.48 139143 3609556 2190929 12.58 697951 4813881 7506 19:50:33 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:00:33 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 20:00:33 ens3 3.02 2.09 10.76 0.47 0.00 0.00 0.00 0.00 20:00:33 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:10:33 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 20:10:33 ens3 4.41 3.35 18.76 0.75 0.00 0.00 0.00 0.00 20:10:33 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:20:01 lo 0.55 0.55 0.05 0.05 0.00 0.00 0.00 0.00 20:20:01 ens3 64.70 55.20 677.22 11.47 0.00 0.00 0.00 0.00 20:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:30:33 lo 47.04 47.04 11.44 11.44 0.00 0.00 0.00 0.00 20:30:33 ens3 7.95 6.48 8.89 2.52 0.00 0.00 0.00 0.00 20:30:33 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:40:29 lo 2383.57 2383.57 2270.49 2270.49 0.00 0.00 0.00 0.00 20:40:29 ens3 62.33 49.94 514.17 14.14 0.00 0.00 0.00 0.00 20:40:29 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 484.69 484.69 454.53 454.53 0.00 0.00 0.00 0.00 Average: ens3 27.84 22.86 238.53 5.77 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-42579) 08/29/26 _x86_64_ (4 CPU) 19:43:50 LINUX RESTART (4 CPU) 19:50:33 CPU %user %nice %system %iowait %steal %idle 20:00:33 all 0.24 0.00 0.03 0.01 0.00 99.71 20:00:33 0 0.49 0.00 0.02 0.00 0.00 99.48 20:00:33 1 0.33 0.00 0.03 0.00 0.00 99.63 20:00:33 2 0.10 0.00 0.04 0.01 0.00 99.85 20:00:33 3 0.04 0.00 0.03 0.05 0.00 99.87 20:10:33 all 0.15 0.00 0.04 0.01 0.00 99.80 20:10:33 0 0.08 0.00 0.04 0.00 0.00 99.88 20:10:33 1 0.05 0.00 0.06 0.00 0.00 99.89 20:10:33 2 0.02 0.00 0.03 0.01 0.00 99.95 20:10:33 3 0.44 0.00 0.05 0.03 0.00 99.48 20:20:01 all 25.81 0.00 1.12 0.11 0.01 72.96 20:20:01 0 25.54 0.00 1.10 0.18 0.01 73.17 20:20:01 1 25.86 0.00 0.90 0.06 0.01 73.17 20:20:01 2 25.65 0.00 1.50 0.06 0.01 72.77 20:20:01 3 26.18 0.00 0.98 0.13 0.01 72.71 20:30:33 all 21.20 0.00 1.20 0.34 0.01 77.26 20:30:33 0 21.33 0.00 1.28 0.47 0.01 76.92 20:30:33 1 21.32 0.00 1.07 0.26 0.01 77.34 20:30:33 2 20.81 0.00 1.28 0.43 0.01 77.47 20:30:33 3 21.33 0.00 1.17 0.18 0.01 77.30 20:40:29 all 46.18 0.00 2.77 0.13 0.02 50.91 20:40:29 0 45.44 0.00 2.92 0.10 0.02 51.53 20:40:29 1 45.89 0.00 2.34 0.15 0.02 51.60 20:40:29 2 46.11 0.00 2.99 0.16 0.02 50.72 20:40:29 3 47.27 0.00 2.82 0.10 0.02 49.78 Average: all 18.61 0.00 1.03 0.12 0.01 80.23 Average: 0 18.48 0.00 1.07 0.15 0.01 80.29 Average: 1 18.59 0.00 0.88 0.10 0.01 80.43 Average: 2 18.45 0.00 1.16 0.14 0.01 80.24 Average: 3 18.94 0.00 1.01 0.10 0.01 79.94