---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-22018 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 686 9246 4 6056 14959 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:44:ec:70 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.16/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84414sec preferred_lft 84414sec inet6 fe80::f816:3eff:fe44:ec70/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fa:90:c6:f2:ec:7b 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-22018) 09/19/26 _x86_64_ (4 CPU) 07:02:27 LINUX RESTART (4 CPU) 07:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:20:27 21.27 0.64 17.56 3.07 24.47 3508.24 37396.08 07:30:27 22.39 0.16 18.95 3.28 5.04 1806.24 24079.41 Average: 21.82 0.40 18.24 3.17 14.97 2675.70 30882.19 07:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:20:27 9475404 13023148 2935380 17.93 124072 3546068 3246340 18.63 656504 5848308 44 07:30:27 9063652 13015284 2939908 17.96 144384 3900460 3012692 17.29 790932 6095440 22620 Average: 9269528 13019216 2937644 17.94 134228 3723264 3129516 17.96 723718 5971874 11332 07:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:20:27 lo 28.24 28.24 6.69 6.69 0.00 0.00 0.00 0.00 07:20:27 ens3 32.67 25.98 137.65 5.87 0.00 0.00 0.00 0.00 07:20:27 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:30:27 lo 1475.12 1475.12 1381.92 1381.92 0.00 0.00 0.00 0.00 07:30:27 ens3 45.35 33.43 269.52 7.63 0.00 0.00 0.00 0.00 07:30:27 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 735.99 735.99 679.39 679.39 0.00 0.00 0.00 0.00 Average: ens3 38.88 29.62 202.15 6.73 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-22018) 09/19/26 _x86_64_ (4 CPU) 07:02:27 LINUX RESTART (4 CPU) 07:10:01 CPU %user %nice %system %iowait %steal %idle 07:20:27 all 34.80 0.00 1.53 0.15 0.03 63.49 07:20:27 0 33.29 0.00 1.53 0.16 0.03 64.99 07:20:27 1 34.48 0.00 1.72 0.08 0.03 63.69 07:20:27 2 34.37 0.00 1.33 0.29 0.02 63.98 07:20:27 3 37.06 0.00 1.56 0.08 0.03 61.27 07:30:27 all 32.27 0.00 1.97 0.08 0.02 65.66 07:30:27 0 32.38 0.00 1.91 0.11 0.02 65.58 07:30:27 1 32.99 0.00 1.97 0.04 0.03 64.98 07:30:27 2 30.96 0.00 1.94 0.12 0.03 66.95 07:30:27 3 32.74 0.00 2.06 0.06 0.03 65.12 Average: all 33.56 0.00 1.75 0.12 0.03 64.55 Average: 0 32.84 0.00 1.72 0.13 0.02 65.28 Average: 1 33.75 0.00 1.84 0.06 0.03 64.32 Average: 2 32.70 0.00 1.63 0.21 0.02 65.43 Average: 3 34.95 0.00 1.80 0.07 0.03 63.15