---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-46820 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 11G 68G 14% / 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 649 10844 4 4495 14996 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:20:a0:6f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.232/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84538sec preferred_lft 84538sec inet6 fe80::f816:3eff:fe20:a06f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 92:47:f4:41:9f:b3 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-46820) 09/02/26 _x86_64_ (4 CPU) 07:27:17 LINUX RESTART (4 CPU) 07:30:44 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:40:04 32.51 2.44 29.42 0.65 144.23 2603.09 1105.76 07:50:02 10.70 2.26 7.92 0.52 135.88 2485.13 316.47 Average: 21.26 2.35 18.32 0.58 139.92 2542.20 698.39 07:30:44 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:40:04 13080040 15516040 464744 2.84 90040 2541616 1007540 5.78 308304 2661892 304 07:50:02 10497764 13702680 2258408 13.79 130180 3215692 2511888 14.42 522588 4967324 20788 Average: 11788902 14609360 1361576 8.32 110110 2878654 1759714 10.10 415446 3814608 10546 07:30:44 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:40:04 lo 0.32 0.32 0.03 0.03 0.00 0.00 0.00 0.00 07:40:04 ens3 43.01 30.44 308.35 7.51 0.00 0.00 0.00 0.00 07:40:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:50:02 lo 0.79 0.79 0.08 0.08 0.00 0.00 0.00 0.00 07:50:02 ens3 75.90 62.45 653.61 15.00 0.00 0.00 0.00 0.00 07:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.56 0.56 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 59.98 46.96 486.55 11.37 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-46820) 09/02/26 _x86_64_ (4 CPU) 07:27:17 LINUX RESTART (4 CPU) 07:30:44 CPU %user %nice %system %iowait %steal %idle 07:40:04 all 2.93 0.00 0.38 0.29 0.00 96.40 07:40:04 0 1.69 0.00 0.35 0.33 0.00 97.63 07:40:04 1 1.61 0.00 0.28 0.04 0.00 98.07 07:40:04 2 6.96 0.00 0.56 0.26 0.01 92.21 07:40:04 3 1.45 0.00 0.32 0.54 0.01 97.68 07:50:02 all 37.36 0.00 1.38 0.05 0.01 61.20 07:50:02 0 37.25 0.00 1.39 0.08 0.01 61.27 07:50:02 1 36.46 0.00 1.29 0.02 0.01 62.22 07:50:02 2 37.51 0.00 1.39 0.06 0.01 61.04 07:50:02 3 38.21 0.00 1.45 0.04 0.01 60.28 Average: all 20.70 0.00 0.89 0.17 0.01 78.23 Average: 0 20.04 0.00 0.88 0.20 0.01 78.87 Average: 1 19.61 0.00 0.80 0.03 0.01 79.55 Average: 2 22.71 0.00 0.99 0.16 0.01 76.14 Average: 3 20.42 0.00 0.91 0.28 0.01 78.38