---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-8211 5.15.0-190-generic #200-Ubuntu SMP Fri Aug 7 15:06:04 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 715 9494 4 5780 14930 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:cb:ef:aa brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.160/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84691sec preferred_lft 84691sec inet6 fe80::f816:3eff:fecb:efaa/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 16:c3:6a:79:f1:03 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 5.15.0-190-generic (prd-ubuntu2204-docker-4c-4g-8211) 09/14/26 _x86_64_ (4 CPU) 15:47:09 LINUX RESTART (4 CPU) 15:50:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:00:11 26.78 1.09 23.28 2.42 51.00 4639.17 15618.62 16:10:44 42.31 0.07 25.83 16.41 1.78 5961.22 237343.06 Average: 34.70 0.57 24.58 9.55 25.91 5313.01 128630.64 15:50:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:00:11 9681088 13546660 2407776 14.71 158412 3788348 2691636 15.45 728228 5527148 15512 16:10:44 7627704 12943600 3004304 18.35 189040 5135832 3244712 18.62 1038516 7189376 32196 Average: 8654396 13245130 2706040 16.53 173726 4462090 2968174 17.04 883372 6358262 23854 15:50:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:00:11 lo 1129.95 1129.95 1076.82 1076.82 0.00 0.00 0.00 0.00 16:00:11 ens3 95.49 63.08 357.28 16.97 0.00 0.00 0.00 0.00 16:00:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:10:44 lo 1049.02 1049.02 999.46 999.46 0.00 0.00 0.00 0.00 16:10:44 ens3 67.23 49.19 245.51 13.87 0.00 0.00 0.00 0.00 16:10:44 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1088.70 1088.70 1037.39 1037.39 0.00 0.00 0.00 0.00 Average: ens3 81.09 56.00 300.31 15.39 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 5.15.0-190-generic (prd-ubuntu2204-docker-4c-4g-8211) 09/14/26 _x86_64_ (4 CPU) 15:47:09 LINUX RESTART (4 CPU) 15:50:02 CPU %user %nice %system %iowait %steal %idle 16:00:11 all 63.15 0.00 2.54 0.16 0.03 34.13 16:00:11 0 63.60 0.00 2.37 0.07 0.03 33.93 16:00:11 1 62.82 0.00 2.77 0.25 0.03 34.13 16:00:11 2 63.94 0.00 2.77 0.11 0.04 33.13 16:00:11 3 62.22 0.00 2.25 0.19 0.03 35.32 16:10:44 all 58.67 0.00 2.48 0.12 0.03 38.70 16:10:44 0 59.22 0.00 2.54 0.05 0.03 38.16 16:10:44 1 57.91 0.00 2.44 0.11 0.03 39.52 16:10:44 2 59.33 0.00 2.55 0.11 0.03 37.98 16:10:44 3 58.24 0.00 2.38 0.21 0.03 39.15 Average: all 60.87 0.00 2.51 0.14 0.03 36.46 Average: 0 61.37 0.00 2.46 0.06 0.03 36.09 Average: 1 60.32 0.00 2.60 0.18 0.03 36.88 Average: 2 61.59 0.00 2.66 0.11 0.03 35.61 Average: 3 60.19 0.00 2.31 0.20 0.03 37.27