---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-52774 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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 13G 66G 16% / 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 664 8455 4 6869 14982 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:a3:a3:91 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.155/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84601sec preferred_lft 84601sec inet6 fe80::f816:3eff:fea3:a391/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether da:28:29:6f:30:98 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-52774) 03/25/26 _x86_64_ (4 CPU) 14:12:25 LINUX RESTART (4 CPU) 14:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:30:02 26.62 0.01 23.61 2.99 0.20 2273.91 9435.01 14:40:02 20.84 0.02 18.85 1.96 0.35 3815.57 37728.33 Average: 23.73 0.02 21.23 2.48 0.27 3044.45 23576.25 14:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:30:02 8936956 13012800 2943004 17.97 150444 4027888 3185076 18.28 934168 6090736 22604 14:40:02 7847288 12785016 3167452 19.35 162660 4841528 3241316 18.61 1195980 6849940 5860 Average: 8392122 12898908 3055228 18.66 156552 4434708 3213196 18.44 1065074 6470338 14232 14:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:30:02 lo 1467.58 1467.58 1393.78 1393.78 0.00 0.00 0.00 0.00 14:30:02 ens3 23.76 21.56 35.12 6.71 0.00 0.00 0.00 0.00 14:30:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:40:02 lo 977.95 977.95 7545.19 7545.19 0.00 0.00 0.00 0.00 14:40:02 ens3 17.68 15.04 17.75 5.01 0.00 0.00 0.00 0.00 14:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1222.86 1222.86 4468.31 4468.31 0.00 0.00 0.00 0.00 Average: ens3 20.72 18.30 26.44 5.86 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-52774) 03/25/26 _x86_64_ (4 CPU) 14:12:25 LINUX RESTART (4 CPU) 14:20:01 CPU %user %nice %system %iowait %steal %idle 14:30:02 all 67.59 0.00 2.35 0.05 0.09 29.93 14:30:02 0 68.84 0.00 2.37 0.04 0.09 28.66 14:30:02 1 66.85 0.00 2.54 0.04 0.09 30.48 14:30:02 2 68.00 0.00 2.36 0.04 0.09 29.52 14:30:02 3 66.66 0.00 2.13 0.08 0.09 31.04 14:40:02 all 50.06 0.00 1.81 0.10 0.08 47.95 14:40:02 0 51.21 0.00 1.71 0.10 0.08 46.90 14:40:02 1 52.64 0.00 1.83 0.16 0.09 45.29 14:40:02 2 44.96 0.00 1.87 0.07 0.08 53.01 14:40:02 3 51.42 0.00 1.83 0.06 0.09 46.61 Average: all 58.82 0.00 2.08 0.07 0.09 38.94 Average: 0 60.02 0.00 2.04 0.07 0.09 37.79 Average: 1 59.75 0.00 2.18 0.10 0.09 37.88 Average: 2 56.48 0.00 2.11 0.06 0.09 41.27 Average: 3 59.04 0.00 1.98 0.07 0.09 38.83