---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-6088 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 773 9406 4 5809 14872 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:6c:e2:bf brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.254/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84269sec preferred_lft 84269sec inet6 fe80::f816:3eff:fe6c:e2bf/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2e:41:64:9f:4c:a4 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-6088) 09/08/26 _x86_64_ (4 CPU) 17:40:16 LINUX RESTART (4 CPU) 17:50:17 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:00:17 34.59 0.34 28.92 5.33 10.35 3432.30 5453.36 18:10:07 39.38 0.00 31.87 7.51 0.03 2361.43 5531.90 Average: 36.97 0.17 30.38 6.41 5.23 2901.33 5492.31 17:50:17 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:00:17 8949260 13266964 2684804 16.40 185496 4196592 3118028 17.90 753208 6217860 88856 18:10:07 8600664 13203200 2744944 16.77 210516 4423716 2862624 16.43 841944 6437272 19644 Average: 8774962 13235082 2714874 16.58 198006 4310154 2990326 17.16 797576 6327566 54250 17:50:17 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:00:17 lo 3303.05 3303.05 3150.70 3150.70 0.00 0.00 0.00 0.00 18:00:17 ens3 49.57 43.94 314.08 11.35 0.00 0.00 0.00 0.00 18:00:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:10:07 lo 4815.58 4815.58 4592.69 4592.69 0.00 0.00 0.00 0.00 18:10:07 ens3 21.95 21.89 8.67 8.00 0.00 0.00 0.00 0.00 18:10:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 4053.02 4053.02 3865.69 3865.69 0.00 0.00 0.00 0.00 Average: ens3 35.87 33.01 162.65 9.69 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-6088) 09/08/26 _x86_64_ (4 CPU) 17:40:16 LINUX RESTART (4 CPU) 17:50:17 CPU %user %nice %system %iowait %steal %idle 18:00:17 all 60.89 0.00 3.70 0.09 0.04 35.28 18:00:17 0 60.24 0.00 3.74 0.09 0.04 35.89 18:00:17 1 59.78 0.00 3.52 0.13 0.04 36.53 18:00:17 2 61.54 0.00 3.62 0.08 0.05 34.71 18:00:17 3 62.01 0.00 3.91 0.07 0.05 33.97 18:10:07 all 59.17 0.00 4.35 0.10 0.04 36.34 18:10:07 0 57.31 0.00 4.07 0.09 0.04 38.49 18:10:07 1 59.36 0.00 5.16 0.17 0.03 35.28 18:10:07 2 60.75 0.00 4.11 0.06 0.04 35.03 18:10:07 3 59.25 0.00 4.08 0.09 0.05 36.54 Average: all 60.04 0.00 4.02 0.09 0.04 35.80 Average: 0 58.79 0.00 3.90 0.09 0.04 37.18 Average: 1 59.57 0.00 4.33 0.15 0.04 35.92 Average: 2 61.15 0.00 3.86 0.07 0.05 34.87 Average: 3 60.64 0.00 4.00 0.08 0.05 35.24