---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-11654 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 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 663 9328 4 5997 14983 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:9e:95:a0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.150/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84761sec preferred_lft 84761sec inet6 fe80::f816:3eff:fe9e:95a0/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5e:53:3c:90:65:61 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-11654) 12/08/25 _x86_64_ (4 CPU) 17:48:07 LINUX RESTART (4 CPU) 17:50:18 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:00:01 43.83 2.65 24.42 16.77 760.23 4663.42 315238.39 18:10:14 21.73 0.16 18.44 3.13 4.79 1524.60 30254.18 Average: 32.50 1.37 21.36 9.77 372.83 3053.79 169094.78 17:50:18 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:00:01 9422200 13056940 2900724 17.72 127488 3634024 3244976 18.63 849692 5721300 740 18:10:14 9092108 13060904 2894128 17.68 145724 3927852 2992636 17.18 977396 5888144 29456 Average: 9257154 13058922 2897426 17.70 136606 3780938 3118806 17.90 913544 5804722 15098 17:50:18 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:00:01 lo 25.05 25.05 5.77 5.77 0.00 0.00 0.00 0.00 18:00:01 ens3 45.68 33.72 462.36 6.42 0.00 0.00 0.00 0.00 18:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:10:14 lo 1293.18 1293.18 1203.71 1203.71 0.00 0.00 0.00 0.00 18:10:14 ens3 27.16 21.36 240.44 4.77 0.00 0.00 0.00 0.00 18:10:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 675.36 675.36 620.09 620.09 0.00 0.00 0.00 0.00 Average: ens3 36.18 27.38 348.56 5.58 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-11654) 12/08/25 _x86_64_ (4 CPU) 17:48:07 LINUX RESTART (4 CPU) 17:50:18 CPU %user %nice %system %iowait %steal %idle 18:00:01 all 39.39 0.00 1.54 0.30 0.10 58.67 18:00:01 0 40.26 0.00 1.40 0.33 0.10 57.91 18:00:01 1 40.82 0.00 1.95 0.16 0.10 56.98 18:00:01 2 39.42 0.00 1.43 0.43 0.10 58.62 18:00:01 3 37.07 0.00 1.37 0.28 0.10 61.18 18:10:14 all 31.34 0.00 1.61 0.19 0.25 66.62 18:10:14 0 31.21 0.00 1.41 0.25 0.38 66.75 18:10:14 1 31.75 0.00 1.57 0.22 0.30 66.16 18:10:14 2 31.07 0.00 1.89 0.26 0.17 66.60 18:10:14 3 31.31 0.00 1.56 0.04 0.14 66.95 Average: all 35.26 0.00 1.57 0.25 0.17 62.74 Average: 0 35.62 0.00 1.41 0.29 0.24 62.44 Average: 1 36.17 0.00 1.75 0.19 0.20 61.68 Average: 2 35.14 0.00 1.67 0.35 0.13 62.72 Average: 3 34.12 0.00 1.47 0.16 0.12 64.13