---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-42419 5.15.0-186-generic #196-Ubuntu SMP Sat Jun 20 16:09:34 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 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 634 10873 4 4481 15011 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:94:49:85 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.137/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84749sec preferred_lft 84749sec inet6 fe80::f816:3eff:fe94:4985/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether f2:0e:b6:03:1f:1b 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-42419) 08/29/26 _x86_64_ (4 CPU) 07:17:06 LINUX RESTART (4 CPU) 07:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:30:46 2.38 0.07 2.30 0.02 1.90 93.02 0.72 07:40:40 32.44 2.62 25.54 4.28 146.80 4028.17 3758.77 Average: 16.79 1.29 13.44 2.06 71.36 1979.32 1802.13 07:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:30:46 12931324 15388516 588600 3.59 99356 2550384 1387688 7.97 323224 2816540 4228 07:40:40 9976316 13582792 2374932 14.51 148196 3574932 2951184 16.94 620176 5380632 100196 Average: 11453820 14485654 1481766 9.05 123776 3062658 2169436 12.45 471700 4098586 52212 07:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:30:46 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 07:30:46 ens3 17.09 16.04 87.81 4.54 0.00 0.00 0.00 0.00 07:30:46 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:40:40 lo 2246.06 2246.06 2142.02 2142.02 0.00 0.00 0.00 0.00 07:40:40 ens3 102.97 82.17 856.84 20.89 0.00 0.00 0.00 0.00 07:40:40 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1076.70 1076.70 1026.77 1026.77 0.00 0.00 0.00 0.00 Average: ens3 58.26 47.74 456.44 12.38 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-42419) 08/29/26 _x86_64_ (4 CPU) 07:17:06 LINUX RESTART (4 CPU) 07:20:01 CPU %user %nice %system %iowait %steal %idle 07:30:46 all 0.24 0.00 0.09 0.02 0.00 99.65 07:30:46 0 0.23 0.00 0.07 0.00 0.00 99.69 07:30:46 1 0.26 0.00 0.12 0.01 0.00 99.60 07:30:46 2 0.22 0.00 0.06 0.06 0.00 99.66 07:30:46 3 0.25 0.00 0.09 0.01 0.00 99.66 07:40:40 all 64.35 0.00 3.36 0.10 0.02 32.17 07:40:40 0 63.30 0.00 3.37 0.09 0.02 33.23 07:40:40 1 63.98 0.00 3.10 0.15 0.02 32.75 07:40:40 2 64.83 0.00 3.51 0.10 0.02 31.53 07:40:40 3 65.30 0.00 3.44 0.06 0.02 31.17 Average: all 30.95 0.00 1.65 0.06 0.01 67.32 Average: 0 30.43 0.00 1.65 0.05 0.01 67.87 Average: 1 30.77 0.00 1.55 0.08 0.01 67.60 Average: 2 31.24 0.00 1.72 0.08 0.01 66.95 Average: 3 31.38 0.00 1.69 0.04 0.01 66.88