---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-65841 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 656 11063 4 4269 14990 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:4b:75:cf brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.127/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84678sec preferred_lft 84678sec inet6 fe80::f816:3eff:fe4b:75cf/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1a:fa:d7:2e:fe:cb 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-65841) 04/01/26 _x86_64_ (4 CPU) 20:54:33 LINUX RESTART (4 CPU) 21:00:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:10:22 51.27 2.42 40.86 7.99 136.28 4759.55 8757.95 21:20:09 39.18 0.32 20.05 18.82 12.25 2749.36 244367.40 Average: 45.38 1.40 30.71 13.27 75.82 3779.63 123612.40 21:00:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:10:22 10256732 13762992 2194736 13.40 171668 3436456 2402616 13.79 616352 5095960 96952 21:20:09 11377020 15385280 569336 3.48 201432 3870160 1107116 6.35 790684 3733716 188 Average: 10816876 14574136 1382036 8.44 186550 3653308 1754866 10.07 703518 4414838 48570 21:00:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:10:22 lo 4376.97 4376.97 4172.96 4172.96 0.00 0.00 0.00 0.00 21:10:22 ens3 152.68 113.23 639.57 30.70 0.00 0.00 0.00 0.00 21:10:22 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:20:09 lo 1713.08 1713.08 1623.54 1623.54 0.00 0.00 0.00 0.00 21:20:09 ens3 98.17 89.15 116.48 136.47 0.00 0.00 0.00 0.00 21:20:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3078.38 3078.38 2930.17 2930.17 0.00 0.00 0.00 0.00 Average: ens3 126.11 101.49 384.57 82.26 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-65841) 04/01/26 _x86_64_ (4 CPU) 20:54:33 LINUX RESTART (4 CPU) 21:00:05 CPU %user %nice %system %iowait %steal %idle 21:10:22 all 65.99 0.00 3.92 0.29 0.10 29.69 21:10:22 0 65.59 0.00 3.66 0.55 0.11 30.09 21:10:22 1 65.15 0.00 3.72 0.19 0.10 30.83 21:10:22 2 68.59 0.00 4.12 0.16 0.10 27.03 21:10:22 3 64.64 0.00 4.19 0.27 0.10 30.80 21:20:09 all 31.46 0.00 1.82 0.17 0.06 66.49 21:20:09 0 30.02 0.00 1.58 0.29 0.06 68.04 21:20:09 1 33.26 0.00 1.56 0.10 0.06 65.02 21:20:09 2 34.56 0.00 2.00 0.17 0.06 63.21 21:20:09 3 27.99 0.00 2.14 0.11 0.06 69.70 Average: all 49.13 0.00 2.90 0.23 0.08 47.66 Average: 0 48.23 0.00 2.64 0.42 0.09 48.62 Average: 1 49.57 0.00 2.67 0.15 0.08 47.53 Average: 2 51.97 0.00 3.08 0.16 0.08 44.70 Average: 3 46.76 0.00 3.19 0.19 0.08 49.78