---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-834 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: 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 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 696 10258 4 5034 14949 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:b0:a4:4b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.134/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84310sec preferred_lft 84310sec inet6 fe80::f816:3eff:feb0:a44b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether aa:05:7d:21:ea:d6 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-834) 07/31/26 _x86_64_ (4 CPU) 05:22:55 LINUX RESTART (4 CPU) 05:30:25 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:40:07 12.74 1.99 10.12 0.63 128.03 2545.74 2161.62 05:50:01 30.18 0.78 26.36 3.04 28.20 3268.12 2813.49 Average: 21.55 1.38 18.32 1.85 77.62 2910.49 2490.77 05:30:25 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:40:07 10659252 14131936 1826920 11.16 132268 3464532 2124400 12.19 566460 4757168 24548 05:50:01 8918964 13254408 2696232 16.47 169324 4213632 2817836 16.17 791328 6185632 5364 Average: 9789108 13693172 2261576 13.81 150796 3839082 2471118 14.18 678894 5471400 14956 05:30:25 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:40:07 lo 0.84 0.84 0.08 0.08 0.00 0.00 0.00 0.00 05:40:07 ens3 92.50 72.25 687.43 15.33 0.00 0.00 0.00 0.00 05:40:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:50:01 lo 1299.53 1299.53 1238.52 1238.52 0.00 0.00 0.00 0.00 05:50:01 ens3 93.24 67.48 335.50 19.69 0.00 0.00 0.00 0.00 05:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 656.58 656.58 625.40 625.40 0.00 0.00 0.00 0.00 Average: ens3 92.87 69.84 509.73 17.53 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-834) 07/31/26 _x86_64_ (4 CPU) 05:22:55 LINUX RESTART (4 CPU) 05:30:25 CPU %user %nice %system %iowait %steal %idle 05:40:07 all 44.28 0.00 1.43 0.04 0.07 54.18 05:40:07 0 43.52 0.00 1.42 0.06 0.06 54.95 05:40:07 1 45.58 0.00 1.57 0.02 0.07 52.76 05:40:07 2 45.52 0.00 1.49 0.05 0.07 52.87 05:40:07 3 42.50 0.00 1.24 0.04 0.07 56.15 05:50:01 all 69.13 0.00 2.64 0.05 0.10 28.09 05:50:01 0 69.13 0.00 2.65 0.05 0.10 28.07 05:50:01 1 69.78 0.00 2.55 0.08 0.10 27.49 05:50:01 2 67.66 0.00 2.52 0.03 0.09 29.69 05:50:01 3 69.93 0.00 2.83 0.03 0.09 27.12 Average: all 56.82 0.00 2.04 0.05 0.08 41.02 Average: 0 56.44 0.00 2.04 0.05 0.08 41.39 Average: 1 57.78 0.00 2.06 0.05 0.08 40.02 Average: 2 56.69 0.00 2.01 0.04 0.08 41.18 Average: 3 56.36 0.00 2.04 0.04 0.08 41.48