---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-4740 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: 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 68G 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 690 10210 4 5088 14956 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:84:fc:fa brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.2/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84564sec preferred_lft 84564sec inet6 fe80::f816:3eff:fe84:fcfa/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b6:a1:b7:3e:7f:ed 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-4740) 01/26/26 _x86_64_ (4 CPU) 23:08:51 LINUX RESTART (4 CPU) 23:10:13 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 23:20:28 45.13 4.38 39.24 1.50 815.36 4570.97 23807.27 23:30:01 25.42 0.57 9.62 15.23 18.06 2479.38 250691.80 Average: 35.63 2.55 24.97 8.11 431.13 3563.01 133145.19 23:10:13 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:20:28 10932460 14261964 1698956 10.38 120460 3362824 2025688 11.63 723268 4356656 62284 23:30:01 9196620 13404396 2548668 15.57 157324 4120776 2698908 15.49 937876 5791324 226920 Average: 10064540 13833180 2123812 12.97 138892 3741800 2362298 13.56 830572 5073990 144602 23:10:13 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 23:20:28 lo 0.82 0.82 0.09 0.09 0.00 0.00 0.00 0.00 23:20:28 ens3 118.37 87.75 1046.81 17.43 0.00 0.00 0.00 0.00 23:20:28 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:30:01 lo 1.38 1.38 0.15 0.15 0.00 0.00 0.00 0.00 23:30:01 ens3 69.80 53.79 149.43 17.19 0.00 0.00 0.00 0.00 23:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.09 1.09 0.12 0.12 0.00 0.00 0.00 0.00 Average: ens3 94.97 71.38 614.36 17.31 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-4740) 01/26/26 _x86_64_ (4 CPU) 23:08:51 LINUX RESTART (4 CPU) 23:10:13 CPU %user %nice %system %iowait %steal %idle 23:20:28 all 32.37 0.00 1.48 0.37 0.06 65.71 23:20:28 0 31.92 0.00 1.31 0.11 0.06 66.60 23:20:28 1 32.84 0.00 1.41 0.17 0.06 65.52 23:20:28 2 32.28 0.00 1.65 0.84 0.07 65.15 23:20:28 3 32.45 0.00 1.55 0.36 0.06 65.58 23:30:01 all 72.82 0.00 2.26 0.04 0.09 24.78 23:30:01 0 73.74 0.00 2.14 0.03 0.10 23.99 23:30:01 1 74.56 0.00 2.63 0.04 0.10 22.68 23:30:01 2 69.84 0.00 2.17 0.05 0.09 27.85 23:30:01 3 73.16 0.00 2.12 0.03 0.09 24.60 Average: all 51.86 0.00 1.86 0.21 0.08 46.00 Average: 0 52.06 0.00 1.71 0.07 0.08 46.08 Average: 1 52.92 0.00 2.00 0.11 0.08 44.90 Average: 2 50.38 0.00 1.90 0.46 0.08 47.18 Average: 3 52.07 0.00 1.82 0.20 0.08 45.83