---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-18889 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 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 779 9483 4 5726 14867 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:40:90:e3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.78/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84171sec preferred_lft 84171sec inet6 fe80::f816:3eff:fe40:90e3/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ea:33:0f:96:ac:3c 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-18889) 01/06/26 _x86_64_ (4 CPU) 20:24:25 LINUX RESTART (4 CPU) 20:30:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:15 24.18 0.44 21.05 2.69 15.43 4596.31 6606.55 20:50:15 55.04 0.00 43.52 11.53 0.00 2683.92 36461.48 21:00:15 22.80 0.14 19.25 3.42 6.46 4555.98 8744.56 Average: 33.99 0.19 27.92 5.87 7.32 3946.84 17246.82 20:30:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:15 9332012 13424652 2528576 15.44 179704 3976048 3109092 17.85 803132 5784228 83728 20:50:15 8582904 12978560 2971076 18.15 209972 4214436 3229012 18.53 903696 6402128 33560 21:00:15 9849160 15346932 597828 3.65 241768 5230052 1117152 6.41 1272288 4681616 12 Average: 9254692 13916715 2032493 12.41 210481 4473512 2485085 14.26 993039 5622657 39100 20:30:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:15 lo 1099.70 1099.70 1047.43 1047.43 0.00 0.00 0.00 0.00 20:40:15 ens3 86.09 65.41 299.91 19.54 0.00 0.00 0.00 0.00 20:40:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:15 lo 5351.34 5351.34 5100.60 5100.60 0.00 0.00 0.00 0.00 20:50:15 ens3 86.34 63.61 29.12 22.05 0.00 0.00 0.00 0.00 20:50:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:15 lo 1461.07 1461.07 1368.92 1368.92 0.00 0.00 0.00 0.00 21:00:15 ens3 133.57 139.04 150.87 588.66 0.00 0.00 0.00 0.00 21:00:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2633.88 2633.88 2502.35 2502.35 0.00 0.00 0.00 0.00 Average: ens3 101.95 89.28 160.32 209.48 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-18889) 01/06/26 _x86_64_ (4 CPU) 20:24:25 LINUX RESTART (4 CPU) 20:30:11 CPU %user %nice %system %iowait %steal %idle 20:40:15 all 67.27 0.00 2.76 0.11 0.09 29.76 20:40:15 0 64.74 0.00 2.47 0.05 0.09 32.64 20:40:15 1 68.71 0.00 2.68 0.13 0.09 28.40 20:40:15 2 67.48 0.00 3.13 0.16 0.09 29.14 20:40:15 3 68.19 0.00 2.76 0.10 0.09 28.86 20:50:15 all 61.17 0.00 4.06 0.26 0.09 34.42 20:50:15 0 59.80 0.00 4.13 0.27 0.09 35.71 20:50:15 1 60.62 0.00 3.99 0.17 0.09 35.13 20:50:15 2 61.89 0.00 3.91 0.35 0.09 33.76 20:50:15 3 62.36 0.00 4.23 0.25 0.09 33.07 21:00:15 all 43.62 0.00 2.07 0.31 0.07 53.92 21:00:15 0 48.11 0.00 2.34 0.18 0.07 49.29 21:00:15 1 49.44 0.00 2.21 0.27 0.08 48.00 21:00:15 2 39.69 0.00 2.03 0.31 0.07 57.90 21:00:15 3 37.21 0.00 1.71 0.49 0.07 60.52 Average: all 57.38 0.00 2.96 0.23 0.09 39.35 Average: 0 57.57 0.00 2.98 0.17 0.09 39.20 Average: 1 59.61 0.00 2.96 0.19 0.09 37.16 Average: 2 56.38 0.00 3.02 0.27 0.09 40.24 Average: 3 55.95 0.00 2.90 0.28 0.08 40.79