---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-11707 5.15.0-161-generic #171-Ubuntu SMP Sat Oct 11 08:17:01 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 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 667 9797 4 5524 14979 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:dd:a3:33 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.157/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84453sec preferred_lft 84453sec inet6 fe80::f816:3eff:fedd:a333/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5e:af:c4:2d:0e:70 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 5.15.0-161-generic (prd-ubuntu2204-docker-4c-4g-11707) 12/08/25 _x86_64_ (4 CPU) 21:12:55 LINUX RESTART (4 CPU) 21:20:36 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:30:36 42.99 0.02 36.49 6.48 0.60 1462.11 128271.81 21:40:01 29.07 0.19 24.62 4.26 5.57 2408.22 28987.68 Average: 36.24 0.10 30.73 5.40 3.01 1921.20 80094.82 21:20:36 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:30:36 9367160 12946172 3012200 18.40 153076 3559196 3223928 18.51 853132 5764040 824 21:40:01 7978596 12929908 3021844 18.46 173988 4848256 3078180 17.67 1332080 6595048 883524 Average: 8672878 12938040 3017022 18.43 163532 4203726 3151054 18.09 1092606 6179544 442174 21:20:36 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:30:36 lo 46.28 46.28 11.07 11.07 0.00 0.00 0.00 0.00 21:30:36 ens3 11.99 8.63 9.95 2.98 0.00 0.00 0.00 0.00 21:30:36 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:40:01 lo 1593.05 1593.05 1504.44 1504.44 0.00 0.00 0.00 0.00 21:40:01 ens3 60.30 47.34 357.97 12.49 0.00 0.00 0.00 0.00 21:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 796.84 796.84 735.72 735.72 0.00 0.00 0.00 0.00 Average: ens3 35.43 27.42 178.83 7.59 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 5.15.0-161-generic (prd-ubuntu2204-docker-4c-4g-11707) 12/08/25 _x86_64_ (4 CPU) 21:12:55 LINUX RESTART (4 CPU) 21:20:36 CPU %user %nice %system %iowait %steal %idle 21:30:36 all 20.62 0.00 0.93 0.49 0.09 77.87 21:30:36 0 20.34 0.00 1.02 0.11 0.09 78.44 21:30:36 1 20.44 0.00 0.92 0.14 0.09 78.41 21:30:36 2 20.38 0.00 0.93 1.25 0.09 77.34 21:30:36 3 21.33 0.00 0.84 0.46 0.09 77.27 21:40:01 all 43.04 0.00 2.08 0.14 0.09 54.65 21:40:01 0 42.40 0.00 1.96 0.18 0.09 55.38 21:40:01 1 42.20 0.00 2.20 0.20 0.09 55.32 21:40:01 2 42.91 0.00 1.89 0.07 0.09 55.03 21:40:01 3 44.66 0.00 2.27 0.11 0.09 52.88 Average: all 31.49 0.00 1.49 0.32 0.09 66.61 Average: 0 31.04 0.00 1.48 0.14 0.09 67.25 Average: 1 30.99 0.00 1.54 0.17 0.09 67.21 Average: 2 31.30 0.00 1.40 0.68 0.09 66.53 Average: 3 32.64 0.00 1.53 0.29 0.09 65.44