---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1410 5.15.0-164-generic #174-Ubuntu SMP Fri Nov 14 20:25:16 UTC 2025 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 678 10194 4 5115 14968 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:3c:55:17 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.193/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 85049sec preferred_lft 85049sec inet6 fe80::f816:3eff:fe3c:5517/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0e:19:8f:02:34:09 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-4g-1410) 01/17/26 _x86_64_ (4 CPU) 05:28:22 LINUX RESTART (4 CPU) 05:30:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:40:02 13.87 2.14 11.29 0.44 122.33 3141.27 145.85 05:50:02 21.43 0.69 17.14 3.60 76.33 6796.89 2165.45 Average: 17.65 1.42 14.21 2.02 99.33 4969.08 1155.65 05:30:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:40:02 10595136 13607068 2355072 14.38 137512 3018948 2658352 15.26 565188 4859948 15732 05:50:02 10558484 15427956 525016 3.21 181216 4732156 1021832 5.87 939472 4396872 5212 Average: 10576810 14517512 1440044 8.80 159364 3875552 1840092 10.56 752330 4628410 10472 05:30:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:40:02 lo 2.40 2.40 0.20 0.20 0.00 0.00 0.00 0.00 05:40:02 ens3 61.62 52.87 378.48 12.47 0.00 0.00 0.00 0.00 05:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:50:02 lo 2.02 2.02 0.19 0.19 0.00 0.00 0.00 0.00 05:50:02 ens3 120.09 102.45 559.38 71.73 0.00 0.00 0.00 0.00 05:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2.21 2.21 0.20 0.20 0.00 0.00 0.00 0.00 Average: ens3 90.85 77.66 468.93 42.10 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-4g-1410) 01/17/26 _x86_64_ (4 CPU) 05:28:22 LINUX RESTART (4 CPU) 05:30:02 CPU %user %nice %system %iowait %steal %idle 05:40:02 all 57.93 0.00 1.73 0.85 0.09 39.40 05:40:02 0 58.42 0.00 1.65 0.04 0.08 39.81 05:40:02 1 56.77 0.00 1.64 0.06 0.09 41.45 05:40:02 2 57.43 0.00 1.90 1.46 0.09 39.13 05:40:02 3 59.10 0.00 1.74 1.86 0.09 37.21 05:50:02 all 54.84 0.00 2.00 0.12 0.08 42.96 05:50:02 0 56.55 0.00 1.81 0.09 0.08 41.47 05:50:02 1 52.35 0.00 2.07 0.18 0.09 45.32 05:50:02 2 56.69 0.00 2.41 0.14 0.08 40.68 05:50:02 3 53.78 0.00 1.69 0.07 0.08 44.38 Average: all 56.38 0.00 1.86 0.49 0.09 41.18 Average: 0 57.48 0.00 1.73 0.06 0.08 40.64 Average: 1 54.56 0.00 1.85 0.12 0.09 43.38 Average: 2 57.06 0.00 2.16 0.80 0.08 39.90 Average: 3 56.44 0.00 1.72 0.96 0.09 40.80