---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-27644 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 825 9182 4 5980 14820 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:21:12:af brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.227/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84111sec preferred_lft 84111sec inet6 fe80::f816:3eff:fe21:12af/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether f2:39:6c:12:5b:be 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-27644) 06/15/26 _x86_64_ (4 CPU) 20:24:19 LINUX RESTART (4 CPU) 20:30:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:08 21.23 0.46 18.79 1.98 14.43 4728.38 3906.17 20:50:01 56.80 0.00 45.56 11.25 0.00 2691.69 16370.95 21:00:08 26.56 0.29 22.18 4.09 11.50 4607.77 3272.45 Average: 34.74 0.25 28.75 5.74 8.69 4017.16 7795.87 20:30:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:08 8886060 13264744 2687096 16.41 186100 4239540 2884048 16.55 819128 6195504 94796 20:50:01 8563192 13195272 2752588 16.81 213584 4434104 2938412 16.87 905984 6393588 14452 21:00:08 9581448 15339664 603260 3.68 247516 5469020 1126252 6.46 1275748 4919788 8 Average: 9010233 13933227 2014315 12.30 215733 4714221 2316237 13.30 1000287 5836293 36419 20:30:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:08 lo 632.17 632.17 601.90 601.90 0.00 0.00 0.00 0.00 20:40:08 ens3 86.83 66.97 325.29 19.97 0.00 0.00 0.00 0.00 20:40:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:01 lo 5793.89 5793.89 5525.24 5525.24 0.00 0.00 0.00 0.00 20:50:01 ens3 80.82 60.96 28.00 21.33 0.00 0.00 0.00 0.00 20:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:08 lo 1935.74 1935.74 1824.62 1824.62 0.00 0.00 0.00 0.00 21:00:08 ens3 117.79 115.21 145.06 182.26 0.00 0.00 0.00 0.00 21:00:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2771.49 2771.49 2635.45 2635.45 0.00 0.00 0.00 0.00 Average: ens3 95.30 81.28 166.58 75.20 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-27644) 06/15/26 _x86_64_ (4 CPU) 20:24:19 LINUX RESTART (4 CPU) 20:30:08 CPU %user %nice %system %iowait %steal %idle 20:40:08 all 68.64 0.00 2.61 0.05 0.10 28.60 20:40:08 0 70.74 0.00 2.88 0.03 0.10 26.25 20:40:08 1 68.79 0.00 2.45 0.06 0.09 28.61 20:40:08 2 69.07 0.00 2.68 0.03 0.10 28.12 20:40:08 3 65.96 0.00 2.43 0.09 0.10 31.43 20:50:01 all 61.72 0.00 4.26 0.09 0.09 33.83 20:50:01 0 60.31 0.00 3.96 0.08 0.09 35.56 20:50:01 1 62.34 0.00 4.64 0.05 0.09 32.87 20:50:01 2 61.88 0.00 4.18 0.10 0.10 33.75 20:50:01 3 62.37 0.00 4.24 0.15 0.10 33.15 21:00:08 all 43.85 0.00 2.27 0.08 0.08 53.72 21:00:08 0 44.64 0.00 2.21 0.05 0.08 53.03 21:00:08 1 43.98 0.00 2.29 0.04 0.07 53.61 21:00:08 2 45.84 0.00 2.31 0.16 0.08 51.63 21:00:08 3 40.94 0.00 2.27 0.08 0.08 56.63 Average: all 57.99 0.00 3.04 0.07 0.09 38.81 Average: 0 58.49 0.00 3.01 0.05 0.09 38.36 Average: 1 58.29 0.00 3.12 0.05 0.09 38.45 Average: 2 58.85 0.00 3.05 0.09 0.09 37.92 Average: 3 56.33 0.00 2.97 0.10 0.09 40.51