---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-52779 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: 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 9.9G 68G 13% / 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 10966 4 4358 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:fb:49:b4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.157/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84731sec preferred_lft 84731sec inet6 fe80::f816:3eff:fefb:49b4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether f6:5a:c8:f8:ab:27 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-52779) 03/25/26 _x86_64_ (4 CPU) 14:37:38 LINUX RESTART (4 CPU) 14:40:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:50:09 33.77 2.63 26.35 4.78 145.47 3654.59 6957.15 15:00:15 42.41 0.30 35.33 6.78 11.71 4254.40 7084.43 Average: 38.11 1.46 30.86 5.79 78.22 3956.14 7021.14 14:40:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:50:09 10805252 14003632 1956524 11.95 144384 3194676 2171600 12.46 553332 4617236 19776 15:00:15 11295720 15396076 557664 3.41 201944 3960548 1110180 6.37 814352 3815248 388 Average: 11050486 14699854 1257094 7.68 173164 3577612 1640890 9.42 683842 4216242 10082 14:40:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:50:09 lo 2723.94 2723.94 2598.29 2598.29 0.00 0.00 0.00 0.00 14:50:09 ens3 106.91 85.77 872.74 18.07 0.00 0.00 0.00 0.00 14:50:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:15 lo 3722.87 3722.87 3546.24 3546.24 0.00 0.00 0.00 0.00 15:00:15 ens3 89.29 73.40 106.14 40.91 0.00 0.00 0.00 0.00 15:00:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3226.15 3226.15 3074.87 3074.87 0.00 0.00 0.00 0.00 Average: ens3 98.05 79.55 487.33 29.55 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-52779) 03/25/26 _x86_64_ (4 CPU) 14:37:38 LINUX RESTART (4 CPU) 14:40:09 CPU %user %nice %system %iowait %steal %idle 14:50:09 all 44.07 0.00 2.68 5.02 0.09 48.13 14:50:09 0 43.33 0.00 2.48 7.73 0.09 46.37 14:50:09 1 43.89 0.00 2.77 2.79 0.10 50.46 14:50:09 2 45.49 0.00 2.59 2.48 0.10 49.35 14:50:09 3 43.57 0.00 2.90 7.10 0.09 46.33 15:00:15 all 57.66 0.00 3.63 1.78 0.16 36.77 15:00:15 0 57.04 0.00 3.91 0.68 0.26 38.11 15:00:15 1 57.25 0.00 3.79 2.71 0.13 36.12 15:00:15 2 60.14 0.00 3.63 1.29 0.13 34.81 15:00:15 3 56.23 0.00 3.17 2.43 0.12 38.05 Average: all 50.90 0.00 3.16 3.39 0.13 42.42 Average: 0 50.23 0.00 3.20 4.19 0.18 42.21 Average: 1 50.60 0.00 3.28 2.75 0.11 43.25 Average: 2 52.85 0.00 3.11 1.88 0.11 42.04 Average: 3 49.94 0.00 3.03 4.75 0.11 42.17