---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-4855 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 697 10323 4 4968 14949 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:e8:de:39 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.165/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84535sec preferred_lft 84535sec inet6 fe80::f816:3eff:fee8:de39/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ce:2e:f4:84:0d:97 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-4855) 01/27/26 _x86_64_ (4 CPU) 02:02:30 LINUX RESTART (4 CPU) 02:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:20:01 12.36 0.51 10.75 1.10 17.68 2619.70 2758.53 02:30:01 28.33 0.60 23.84 3.89 21.60 3848.38 11464.98 Average: 20.35 0.56 17.30 2.49 19.64 3234.05 7111.83 02:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:20:01 9691300 13439372 2517712 15.38 145928 3702780 2859832 16.42 842604 5430936 26356 02:30:01 10616956 15343892 606616 3.70 169768 4594304 1108572 6.36 1104356 4135248 4 Average: 10154128 14391632 1562164 9.54 157848 4148542 1984202 11.39 973480 4783092 13180 02:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:20:01 lo 1.39 1.39 0.14 0.14 0.00 0.00 0.00 0.00 02:20:01 ens3 72.96 54.80 141.24 17.29 0.00 0.00 0.00 0.00 02:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:30:01 lo 1544.34 1544.34 1463.37 1463.37 0.00 0.00 0.00 0.00 02:30:01 ens3 100.25 88.70 408.30 154.19 0.00 0.00 0.00 0.00 02:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 772.88 772.88 731.77 731.77 0.00 0.00 0.00 0.00 Average: ens3 86.61 71.75 274.77 85.74 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-4855) 01/27/26 _x86_64_ (4 CPU) 02:02:30 LINUX RESTART (4 CPU) 02:10:01 CPU %user %nice %system %iowait %steal %idle 02:20:01 all 73.91 0.00 2.26 0.05 0.12 23.67 02:20:01 0 72.12 0.00 2.25 0.03 0.12 25.49 02:20:01 1 74.57 0.00 2.48 0.08 0.12 22.75 02:20:01 2 74.18 0.00 2.36 0.05 0.12 23.30 02:20:01 3 74.76 0.00 1.93 0.05 0.12 23.13 02:30:01 all 48.86 0.00 2.15 0.14 0.10 48.76 02:30:01 0 47.44 0.00 2.16 0.12 0.10 50.17 02:30:01 1 51.73 0.00 1.96 0.12 0.10 46.10 02:30:01 2 48.37 0.00 2.37 0.20 0.10 48.96 02:30:01 3 47.91 0.00 2.09 0.11 0.10 49.79 Average: all 61.38 0.00 2.20 0.09 0.11 36.22 Average: 0 59.78 0.00 2.20 0.07 0.11 37.83 Average: 1 63.14 0.00 2.22 0.10 0.11 34.43 Average: 2 61.27 0.00 2.36 0.12 0.11 36.14 Average: 3 61.33 0.00 2.01 0.08 0.11 36.47