---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-22008 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: 5600.00 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 66G 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 751 9317 4 5919 14893 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:a0:7e:78 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.222/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84632sec preferred_lft 84632sec inet6 fe80::f816:3eff:fea0:7e78/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 62:bf:5f:76:48:0c 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-22008) 09/19/26 _x86_64_ (4 CPU) 07:01:33 LINUX RESTART (4 CPU) 07:10:29 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:20:02 37.66 0.07 33.71 3.89 1.63 3792.95 15935.59 07:30:01 18.21 0.18 15.85 2.18 10.79 5721.61 4107.21 Average: 27.72 0.13 24.59 3.01 6.31 4778.14 9893.50 07:10:29 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:20:02 8302680 12807796 3141656 19.19 186728 4359208 3385792 19.43 847700 6742996 16152 07:30:01 9643476 15342496 601264 3.67 209284 5460724 1146496 6.58 942160 5217540 2332 Average: 8973078 14075146 1871460 11.43 198006 4909966 2266144 13.01 894930 5980268 9242 07:10:29 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:20:02 lo 1923.88 1923.88 1834.51 1834.51 0.00 0.00 0.00 0.00 07:20:02 ens3 57.13 41.94 216.60 12.25 0.00 0.00 0.00 0.00 07:20:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:30:01 lo 120.60 120.60 104.78 104.78 0.00 0.00 0.00 0.00 07:30:01 ens3 86.65 78.23 129.34 230.54 0.00 0.00 0.00 0.00 07:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1002.74 1002.74 950.94 950.94 0.00 0.00 0.00 0.00 Average: ens3 72.21 60.48 172.03 123.75 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-22008) 09/19/26 _x86_64_ (4 CPU) 07:01:33 LINUX RESTART (4 CPU) 07:10:29 CPU %user %nice %system %iowait %steal %idle 07:20:02 all 60.81 0.00 2.92 0.13 0.03 36.11 07:20:02 0 60.18 0.00 3.07 0.15 0.02 36.58 07:20:02 1 62.16 0.00 2.99 0.10 0.03 34.71 07:20:02 2 59.84 0.00 2.90 0.13 0.03 37.11 07:20:02 3 61.06 0.00 2.74 0.13 0.03 36.04 07:30:01 all 45.70 0.00 1.70 0.08 0.02 52.50 07:30:01 0 45.22 0.00 1.90 0.14 0.02 52.72 07:30:01 1 45.92 0.00 1.58 0.05 0.02 52.44 07:30:01 2 49.28 0.00 1.84 0.04 0.03 48.81 07:30:01 3 42.40 0.00 1.47 0.09 0.02 56.02 Average: all 53.09 0.00 2.30 0.10 0.03 44.48 Average: 0 52.53 0.00 2.47 0.15 0.02 44.83 Average: 1 53.86 0.00 2.27 0.07 0.03 43.77 Average: 2 54.45 0.00 2.36 0.08 0.03 43.08 Average: 3 51.52 0.00 2.09 0.11 0.03 46.25