---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-46911 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 703 9594 4 5690 14942 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:05:69:16 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.72/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84180sec preferred_lft 84180sec inet6 fe80::f816:3eff:fe05:6916/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 92:92:9e:a4:b8:fe 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-46911) 09/02/26 _x86_64_ (4 CPU) 18:21:27 LINUX RESTART (4 CPU) 18:30:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:40:07 50.15 0.07 41.95 8.12 3.40 2248.92 157067.04 18:50:01 22.46 0.16 18.90 3.40 5.08 1720.20 33568.79 Average: 36.40 0.12 30.51 5.78 4.23 1986.55 95783.82 18:30:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:40:07 9076832 12792644 3163892 19.32 162968 3668040 3320472 19.06 701860 6195320 240 18:50:01 8812260 12917056 3036476 18.55 179336 4011716 3232312 18.55 821200 6299016 27888 Average: 8944546 12854850 3100184 18.93 171152 3839878 3276392 18.81 761530 6247168 14064 18:30:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:40:07 lo 25.88 25.88 6.00 6.00 0.00 0.00 0.00 0.00 18:40:07 ens3 16.79 13.30 28.16 5.37 0.00 0.00 0.00 0.00 18:40:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:50:01 lo 1458.91 1458.91 1364.39 1364.39 0.00 0.00 0.00 0.00 18:50:01 ens3 40.32 29.85 282.58 7.95 0.00 0.00 0.00 0.00 18:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 736.99 736.99 680.07 680.07 0.00 0.00 0.00 0.00 Average: ens3 28.47 21.51 154.41 6.65 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-46911) 09/02/26 _x86_64_ (4 CPU) 18:21:27 LINUX RESTART (4 CPU) 18:30:04 CPU %user %nice %system %iowait %steal %idle 18:40:07 all 31.42 0.00 1.33 0.34 0.01 66.90 18:40:07 0 31.91 0.00 1.11 0.34 0.02 66.62 18:40:07 1 31.52 0.00 1.41 0.30 0.01 66.76 18:40:07 2 30.73 0.00 1.39 0.36 0.01 67.50 18:40:07 3 31.51 0.00 1.39 0.37 0.01 66.71 18:50:01 all 28.41 0.00 1.65 0.07 0.01 69.86 18:50:01 0 29.32 0.00 1.54 0.04 0.01 69.08 18:50:01 1 28.21 0.00 1.77 0.08 0.01 69.92 18:50:01 2 27.28 0.00 1.46 0.11 0.01 71.14 18:50:01 3 28.83 0.00 1.83 0.05 0.02 69.28 Average: all 29.92 0.00 1.49 0.21 0.01 68.37 Average: 0 30.62 0.00 1.33 0.19 0.02 67.85 Average: 1 29.88 0.00 1.59 0.19 0.01 68.33 Average: 2 29.02 0.00 1.43 0.24 0.01 69.31 Average: 3 30.18 0.00 1.61 0.21 0.02 67.99