---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-6843 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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 nrip_save 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 659 10518 4 4811 14987 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:fd:b7:45 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.77/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84631sec preferred_lft 84631sec inet6 fe80::f816:3eff:fefd:b745/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d2:5e:1b:32:66:43 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-6843) 04/23/26 _x86_64_ (4 CPU) 00:25:20 LINUX RESTART (4 CPU) 00:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:11 3.68 0.11 3.38 0.19 8.70 514.17 166.29 00:50:10 14.05 0.52 12.68 0.85 19.05 2883.79 3465.77 Average: 8.82 0.31 7.99 0.52 13.83 1688.69 1801.71 00:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:11 10577572 13607160 2356520 14.39 113596 3077300 2768276 15.89 505988 4942404 35720 00:50:10 9142056 12860468 3099152 18.93 134648 3708648 3206028 18.40 711548 6128156 856 Average: 9859814 13233814 2727836 16.66 124122 3392974 2987152 17.15 608768 5535280 18288 00:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:11 lo 0.60 0.60 0.37 0.37 0.00 0.00 0.00 0.00 00:40:11 ens3 12.04 9.73 36.60 2.76 0.00 0.00 0.00 0.00 00:40:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:10 lo 314.62 314.62 299.61 299.61 0.00 0.00 0.00 0.00 00:50:10 ens3 39.94 26.44 409.64 4.19 0.00 0.00 0.00 0.00 00:50:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 156.25 156.25 148.69 148.69 0.00 0.00 0.00 0.00 Average: ens3 25.87 18.01 221.50 3.47 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-6843) 04/23/26 _x86_64_ (4 CPU) 00:25:20 LINUX RESTART (4 CPU) 00:30:01 CPU %user %nice %system %iowait %steal %idle 00:40:11 all 46.42 0.00 0.66 0.02 0.07 52.84 00:40:11 0 37.56 0.00 0.59 0.01 0.07 61.78 00:40:11 1 41.35 0.00 0.63 0.02 0.08 57.93 00:40:11 2 61.85 0.00 0.83 0.04 0.08 37.19 00:40:11 3 44.96 0.00 0.57 0.00 0.07 54.39 00:50:10 all 50.49 0.00 1.01 2.93 0.09 45.47 00:50:10 0 47.29 0.00 0.85 1.37 0.09 50.41 00:50:10 1 44.27 0.00 1.35 0.42 0.09 53.88 00:50:10 2 43.18 0.00 0.88 5.68 0.08 50.18 00:50:10 3 67.22 0.00 0.99 4.27 0.09 27.43 Average: all 48.43 0.00 0.83 1.46 0.08 49.19 Average: 0 42.38 0.00 0.71 0.68 0.08 56.15 Average: 1 42.79 0.00 0.99 0.22 0.08 55.93 Average: 2 52.60 0.00 0.86 2.84 0.08 43.63 Average: 3 55.99 0.00 0.78 2.12 0.08 41.03