---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-58891 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 67G 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 735 10001 4 5253 14910 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:89:83:d8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.66/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84574sec preferred_lft 84574sec inet6 fe80::f816:3eff:fe89:83d8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ba:1c:14:1f:b8:ba 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-58891) 09/26/26 _x86_64_ (4 CPU) 12:55:24 LINUX RESTART (4 CPU) 13:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:10:20 26.37 0.43 22.46 3.48 15.75 4167.65 6981.68 13:20:17 64.94 0.01 39.32 25.60 0.48 2500.35 250324.43 Average: 45.32 0.23 30.75 14.35 8.25 3348.35 126558.19 13:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:10:20 8969376 13170044 2782984 17.00 175156 4088024 3090188 17.74 683040 6272684 107012 13:20:17 8829656 13312316 2637120 16.11 202840 4310052 2861432 16.42 763224 6283548 65104 Average: 8899516 13241180 2710052 16.55 188998 4199038 2975810 17.08 723132 6278116 86058 13:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:10:20 lo 1818.24 1818.24 1733.60 1733.60 0.00 0.00 0.00 0.00 13:10:20 ens3 80.68 63.10 314.24 17.70 0.00 0.00 0.00 0.00 13:10:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:20:17 lo 5727.40 5727.40 5461.79 5461.79 0.00 0.00 0.00 0.00 13:20:17 ens3 55.68 40.68 19.49 14.11 0.00 0.00 0.00 0.00 13:20:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3739.17 3739.17 3565.60 3565.60 0.00 0.00 0.00 0.00 Average: ens3 68.39 52.08 169.41 15.93 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-58891) 09/26/26 _x86_64_ (4 CPU) 12:55:24 LINUX RESTART (4 CPU) 13:00:01 CPU %user %nice %system %iowait %steal %idle 13:10:20 all 65.31 0.00 3.29 0.07 0.03 31.30 13:10:20 0 65.16 0.00 3.41 0.05 0.02 31.36 13:10:20 1 65.25 0.00 3.22 0.08 0.02 31.43 13:10:20 2 64.43 0.00 3.10 0.09 0.03 32.35 13:10:20 3 66.42 0.00 3.44 0.06 0.03 30.05 13:20:17 all 61.78 0.00 4.47 0.14 0.03 33.58 13:20:17 0 60.16 0.00 4.20 0.11 0.03 35.51 13:20:17 1 61.32 0.00 4.54 0.19 0.03 33.92 13:20:17 2 63.28 0.00 4.39 0.15 0.03 32.15 13:20:17 3 62.35 0.00 4.76 0.11 0.03 32.75 Average: all 63.58 0.00 3.87 0.11 0.03 32.42 Average: 0 62.70 0.00 3.80 0.08 0.02 33.39 Average: 1 63.32 0.00 3.86 0.13 0.03 32.65 Average: 2 63.86 0.00 3.73 0.12 0.03 32.26 Average: 3 64.42 0.00 4.09 0.09 0.03 31.37