---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-6920 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 11G 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 657 10091 4 5240 14988 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:e4:fd:ed brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.222/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84780sec preferred_lft 84780sec inet6 fe80::f816:3eff:fee4:fded/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8e:2a:b5:09:c9:8e 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-6920) 09/11/26 _x86_64_ (4 CPU) 00:25:29 LINUX RESTART (4 CPU) 00:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:04 7.35 0.29 6.47 0.59 34.09 1412.98 8616.94 00:50:04 36.82 0.55 20.95 15.31 20.43 2822.69 249723.40 Average: 22.04 0.42 13.69 7.93 27.28 2115.83 128826.57 00:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:04 9164536 12528852 3431692 20.96 120720 3392044 3711256 21.30 527732 6314464 304 00:50:04 9172312 13507512 2448164 14.95 143404 4294312 2588928 14.86 753580 6016180 468220 Average: 9168424 13018182 2939928 17.96 132062 3843178 3150092 18.08 640656 6165322 234262 00:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:04 lo 0.65 0.65 0.38 0.38 0.00 0.00 0.00 0.00 00:40:04 ens3 114.86 73.79 364.07 8.07 0.00 0.00 0.00 0.00 00:40:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:04 lo 608.01 608.01 579.37 579.37 0.00 0.00 0.00 0.00 00:50:04 ens3 71.01 52.62 519.76 8.20 0.00 0.00 0.00 0.00 00:50:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 303.47 303.47 289.05 289.05 0.00 0.00 0.00 0.00 Average: ens3 93.00 63.24 441.69 8.14 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-6920) 09/11/26 _x86_64_ (4 CPU) 00:25:29 LINUX RESTART (4 CPU) 00:30:01 CPU %user %nice %system %iowait %steal %idle 00:40:04 all 50.17 0.00 0.93 0.04 0.03 48.82 00:40:04 0 42.41 0.00 0.92 0.04 0.03 56.60 00:40:04 1 53.90 0.00 0.95 0.07 0.03 45.04 00:40:04 2 45.77 0.00 0.86 0.02 0.03 53.32 00:40:04 3 58.63 0.00 1.00 0.03 0.04 40.29 00:50:04 all 60.47 0.00 1.77 0.10 0.04 37.61 00:50:04 0 54.72 0.00 1.71 0.17 0.05 43.35 00:50:04 1 62.12 0.00 1.55 0.05 0.05 36.24 00:50:04 2 70.51 0.00 1.80 0.07 0.05 27.57 00:50:04 3 54.55 0.00 2.02 0.11 0.04 43.29 Average: all 55.30 0.00 1.35 0.07 0.04 43.24 Average: 0 48.54 0.00 1.32 0.11 0.04 50.00 Average: 1 58.00 0.00 1.25 0.06 0.04 40.65 Average: 2 58.08 0.00 1.33 0.04 0.04 40.51 Average: 3 56.60 0.00 1.51 0.07 0.04 41.79