---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-8265 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 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 10431 4 4895 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:86:21:79 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.25/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84411sec preferred_lft 84411sec inet6 fe80::f816:3eff:fe86:2179/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 96:64:c4:7e:40:db 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-8265) 03/23/26 _x86_64_ (4 CPU) 07:11:47 LINUX RESTART (4 CPU) 07:20:32 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:30:25 3.29 0.07 3.05 0.17 7.18 499.28 40.90 07:40:27 5.89 0.48 5.11 0.30 17.61 751.28 176.74 Average: 4.60 0.28 4.09 0.24 12.44 626.30 109.37 07:20:32 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:30:25 8877020 11955084 4007244 24.47 115332 3126600 4130680 23.71 527456 6628456 1644 07:40:27 9050656 12812264 3146272 19.22 132744 3754768 3262904 18.73 629064 6309212 481984 Average: 8963838 12383674 3576758 21.85 124038 3440684 3696792 21.22 578260 6468834 241814 07:20:32 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:30:25 lo 0.59 0.59 0.38 0.38 0.00 0.00 0.00 0.00 07:30:25 ens3 9.34 7.49 35.32 2.01 0.00 0.00 0.00 0.00 07:30:25 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:40:27 lo 92.28 92.28 87.64 87.64 0.00 0.00 0.00 0.00 07:40:27 ens3 34.45 25.46 406.87 3.35 0.00 0.00 0.00 0.00 07:40:27 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 46.80 46.80 44.36 44.36 0.00 0.00 0.00 0.00 Average: ens3 22.00 16.55 222.59 2.68 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-8265) 03/23/26 _x86_64_ (4 CPU) 07:11:47 LINUX RESTART (4 CPU) 07:20:32 CPU %user %nice %system %iowait %steal %idle 07:30:25 all 50.79 0.00 0.64 0.10 0.09 48.38 07:30:25 0 45.26 0.00 0.63 0.01 0.08 54.01 07:30:25 1 54.61 0.00 0.60 0.05 0.10 44.64 07:30:25 2 54.98 0.00 0.65 0.27 0.10 44.01 07:30:25 3 48.30 0.00 0.67 0.06 0.09 50.88 07:40:27 all 57.76 0.00 0.85 0.02 0.11 41.27 07:40:27 0 62.14 0.00 0.88 0.02 0.11 36.84 07:40:27 1 47.17 0.00 0.70 0.01 0.10 52.03 07:40:27 2 48.61 0.00 0.75 0.03 0.09 50.53 07:40:27 3 73.15 0.00 1.06 0.02 0.13 25.65 Average: all 54.30 0.00 0.74 0.06 0.10 44.80 Average: 0 53.77 0.00 0.76 0.02 0.10 45.35 Average: 1 50.86 0.00 0.65 0.03 0.10 48.36 Average: 2 51.76 0.00 0.70 0.15 0.10 47.29 Average: 3 60.82 0.00 0.86 0.04 0.11 38.18