---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-13008 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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 12G 67G 15% / 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 723 9655 4 5610 14923 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:e2:45:0d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.254/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84578sec preferred_lft 84578sec inet6 fe80::f816:3eff:fee2:450d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 52:66:97:39:93:a9 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-13008) 05/12/26 _x86_64_ (4 CPU) 15:48:52 LINUX RESTART (4 CPU) 15:50:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:00:16 43.77 3.53 25.39 14.85 182.90 5851.94 246480.01 16:10:01 33.61 0.04 30.08 3.48 1.15 3278.90 18156.03 Average: 38.76 1.81 27.70 9.24 93.26 4582.86 133865.89 15:50:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:00:16 9904940 13543228 2414200 14.74 151684 3582780 3001164 17.23 703824 5347472 27864 16:10:01 9102100 13286944 2666016 16.28 178120 4057516 2905344 16.68 853588 5956044 4924 Average: 9503520 13415086 2540108 15.51 164902 3820148 2953254 16.95 778706 5651758 16394 15:50:14 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:00:16 lo 613.56 613.56 584.51 584.51 0.00 0.00 0.00 0.00 16:00:16 ens3 115.96 87.88 903.99 19.23 0.00 0.00 0.00 0.00 16:00:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:10:01 lo 1702.11 1702.11 1622.55 1622.55 0.00 0.00 0.00 0.00 16:10:01 ens3 46.81 37.69 141.19 11.45 0.00 0.00 0.00 0.00 16:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1150.46 1150.46 1096.49 1096.49 0.00 0.00 0.00 0.00 Average: ens3 81.86 63.12 527.76 15.39 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-13008) 05/12/26 _x86_64_ (4 CPU) 15:48:52 LINUX RESTART (4 CPU) 15:50:14 CPU %user %nice %system %iowait %steal %idle 16:00:16 all 55.93 0.00 1.92 0.11 0.08 41.95 16:00:16 0 55.16 0.00 2.04 0.16 0.08 42.56 16:00:16 1 56.94 0.00 1.44 0.04 0.08 41.50 16:00:16 2 56.94 0.00 1.97 0.07 0.08 40.93 16:00:16 3 54.69 0.00 2.22 0.19 0.09 42.81 16:10:01 all 57.56 0.00 2.48 0.07 0.10 39.79 16:10:01 0 58.02 0.00 2.35 0.06 0.10 39.47 16:10:01 1 55.82 0.00 2.56 0.07 0.10 41.45 16:10:01 2 57.60 0.00 2.34 0.11 0.10 39.85 16:10:01 3 58.79 0.00 2.66 0.03 0.10 38.41 Average: all 56.73 0.00 2.19 0.09 0.09 40.89 Average: 0 56.57 0.00 2.19 0.11 0.09 41.04 Average: 1 56.39 0.00 1.99 0.06 0.09 41.47 Average: 2 57.27 0.00 2.16 0.09 0.09 40.40 Average: 3 56.71 0.00 2.44 0.11 0.09 40.64