---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3643 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 695 10467 4 4825 14950 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:be:ef:69 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.127/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84751sec preferred_lft 84751sec inet6 fe80::f816:3eff:febe:ef69/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 06:88:16:9b:11:3d 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-3643) 01/23/26 _x86_64_ (4 CPU) 15:17:18 LINUX RESTART (4 CPU) 15:20:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:30:00 14.73 2.42 11.29 1.03 536.19 2915.92 2656.43 15:40:00 26.75 0.83 21.72 4.21 24.56 3584.25 3505.53 Average: 20.74 1.62 16.50 2.62 280.37 3250.09 3080.98 15:20:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:30:00 10384100 13697476 2263136 13.82 129704 3316940 2484820 14.26 686652 4929916 40536 15:40:00 10725820 15304416 648268 3.96 168292 4448592 1128984 6.48 1032472 4100232 365968 Average: 10554960 14500946 1455702 8.89 148998 3882766 1806902 10.37 859562 4515074 203252 15:20:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:30:00 lo 1.17 1.17 0.12 0.12 0.00 0.00 0.00 0.00 15:30:00 ens3 94.60 74.64 729.47 18.04 0.00 0.00 0.00 0.00 15:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:40:00 lo 1515.76 1515.76 1443.14 1443.14 0.00 0.00 0.00 0.00 15:40:00 ens3 95.58 70.25 426.45 19.11 0.00 0.00 0.00 0.00 15:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 758.47 758.47 721.63 721.63 0.00 0.00 0.00 0.00 Average: ens3 95.09 72.45 577.96 18.58 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-4g-3643) 01/23/26 _x86_64_ (4 CPU) 15:17:18 LINUX RESTART (4 CPU) 15:20:00 CPU %user %nice %system %iowait %steal %idle 15:30:00 all 60.39 0.00 1.92 0.06 0.09 37.54 15:30:00 0 60.58 0.00 1.97 0.03 0.09 37.33 15:30:00 1 62.35 0.00 1.99 0.06 0.09 35.50 15:30:00 2 57.16 0.00 1.72 0.06 0.09 40.96 15:30:00 3 61.48 0.00 1.99 0.07 0.09 36.37 15:40:00 all 68.60 0.00 2.73 0.10 0.11 28.46 15:40:00 0 70.06 0.00 2.98 0.09 0.11 26.75 15:40:00 1 68.02 0.00 2.96 0.09 0.11 28.82 15:40:00 2 68.88 0.00 2.50 0.10 0.11 28.42 15:40:00 3 67.43 0.00 2.48 0.12 0.11 29.86 Average: all 64.49 0.00 2.33 0.08 0.10 33.00 Average: 0 65.32 0.00 2.48 0.06 0.10 32.05 Average: 1 65.19 0.00 2.48 0.08 0.10 32.16 Average: 2 63.02 0.00 2.11 0.08 0.10 34.69 Average: 3 64.45 0.00 2.24 0.09 0.10 33.12