---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-9725 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 662 10419 4 4907 14984 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:24:89:0d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.121/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84788sec preferred_lft 84788sec inet6 fe80::f816:3eff:fe24:890d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 62:6f:83:76:09:a0 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-9725) 04/30/26 _x86_64_ (4 CPU) 00:27:17 LINUX RESTART (4 CPU) 00:30:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:08 8.92 1.40 7.04 0.48 75.51 1565.45 258.19 00:50:01 8.61 0.52 7.59 0.49 19.25 1611.17 1451.96 Average: 8.77 0.96 7.31 0.49 47.57 1588.16 851.13 00:30:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:08 9002636 12086740 3875620 23.67 114696 3132404 4067496 23.35 527736 6502864 1716 00:50:01 9671340 13292748 2666060 16.28 134236 3617644 2857992 16.40 668184 5644420 116920 Average: 9336988 12689744 3270840 19.98 124466 3375024 3462744 19.88 597960 6073642 59318 00:30:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:08 lo 0.68 0.68 0.39 0.39 0.00 0.00 0.00 0.00 00:40:08 ens3 29.63 21.65 250.80 4.41 0.00 0.00 0.00 0.00 00:40:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:01 lo 181.85 181.85 172.59 172.59 0.00 0.00 0.00 0.00 00:50:01 ens3 41.61 28.69 415.86 4.71 0.00 0.00 0.00 0.00 00:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 90.66 90.66 85.92 85.92 0.00 0.00 0.00 0.00 Average: ens3 35.58 25.15 332.79 4.56 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-9725) 04/30/26 _x86_64_ (4 CPU) 00:27:17 LINUX RESTART (4 CPU) 00:30:08 CPU %user %nice %system %iowait %steal %idle 00:40:08 all 49.99 0.00 0.93 0.05 0.08 48.95 00:40:08 0 42.08 0.00 0.89 0.08 0.08 56.87 00:40:08 1 50.51 0.00 0.89 0.02 0.08 48.50 00:40:08 2 56.78 0.00 1.02 0.07 0.08 42.06 00:40:08 3 50.59 0.00 0.90 0.03 0.08 48.40 00:50:01 all 49.07 0.00 0.86 0.03 0.08 49.96 00:50:01 0 43.56 0.00 0.85 0.07 0.08 55.44 00:50:01 1 39.23 0.00 0.81 0.01 0.08 59.87 00:50:01 2 53.36 0.00 0.81 0.02 0.09 45.72 00:50:01 3 60.10 0.00 0.98 0.01 0.09 38.82 Average: all 49.53 0.00 0.89 0.04 0.08 49.45 Average: 0 42.82 0.00 0.87 0.07 0.08 56.16 Average: 1 44.90 0.00 0.85 0.02 0.08 54.15 Average: 2 55.08 0.00 0.91 0.04 0.08 43.88 Average: 3 55.32 0.00 0.94 0.02 0.08 43.65