---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-22903 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): 8 On-line CPU(s) list: 0-7 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): 8 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: 256 KiB (8 instances) L1i cache: 256 KiB (8 instances) L2 cache: 4 MiB (8 instances) L3 cache: 128 MiB (8 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-7 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: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 3.2G 1.1M 3.2G 1% /run /dev/vda1 155G 12G 144G 8% / tmpfs 16G 0 16G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 3.2G 4.0K 3.2G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 32092 913 24885 4 6292 30710 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:b5:21:1a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.159/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84452sec preferred_lft 84452sec inet6 fe80::f816:3eff:feb5:211a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5e:22:c4:e8:51:5a 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-8c-8g-22903) 01/07/26 _x86_64_ (8 CPU) 14:04:59 LINUX RESTART (8 CPU) 14:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:20:01 45.34 0.56 26.95 17.82 410.31 3986.73 520997.77 14:30:10 50.19 11.69 33.70 4.80 129.09 3252.96 24293.34 Average: 47.78 6.17 30.35 11.26 268.67 3617.16 270828.18 14:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:20:01 25299140 28924216 3383368 10.30 164128 3691636 3524704 10.39 838620 6271480 40 14:30:10 24412928 28817612 3483952 10.60 209748 4349016 3569428 10.53 1038756 6888804 130856 Average: 24856034 28870914 3433660 10.45 186938 4020326 3547066 10.46 938688 6580142 65448 14:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:20:01 lo 1154.33 1154.33 1097.81 1097.81 0.00 0.00 0.00 0.00 14:20:01 ens3 33.69 25.83 227.99 7.53 0.00 0.00 0.00 0.00 14:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:30:10 lo 2171.26 2171.26 2067.59 2067.59 0.00 0.00 0.00 0.00 14:30:10 ens3 23.92 20.51 8.22 7.29 0.00 0.00 0.00 0.00 14:30:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1666.52 1666.52 1586.25 1586.25 0.00 0.00 0.00 0.00 Average: ens3 28.77 23.15 117.30 7.41 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-8c-8g-22903) 01/07/26 _x86_64_ (8 CPU) 14:04:59 LINUX RESTART (8 CPU) 14:10:00 CPU %user %nice %system %iowait %steal %idle 14:20:01 all 35.81 0.00 1.50 0.09 0.07 62.53 14:20:01 0 33.50 0.00 1.57 0.24 0.07 64.62 14:20:01 1 31.20 0.00 1.57 0.08 0.06 67.09 14:20:01 2 37.86 0.00 1.55 0.08 0.07 60.44 14:20:01 3 36.30 0.00 1.53 0.11 0.07 61.99 14:20:01 4 37.22 0.00 1.62 0.09 0.07 61.00 14:20:01 5 35.98 0.00 1.38 0.06 0.07 62.52 14:20:01 6 38.48 0.00 1.55 0.05 0.07 59.86 14:20:01 7 35.97 0.00 1.25 0.02 0.07 62.69 14:30:10 all 38.38 0.04 1.93 0.10 0.07 59.48 14:30:10 0 34.43 0.30 1.78 0.26 0.07 63.16 14:30:10 1 38.89 0.00 2.13 0.15 0.08 58.76 14:30:10 2 38.11 0.00 1.96 0.09 0.07 59.77 14:30:10 3 40.40 0.00 1.87 0.05 0.07 57.60 14:30:10 4 36.56 0.00 1.83 0.05 0.07 61.48 14:30:10 5 36.64 0.00 2.02 0.05 0.07 61.21 14:30:10 6 38.49 0.00 1.87 0.08 0.07 59.48 14:30:10 7 43.54 0.00 1.95 0.03 0.07 54.40 Average: all 37.11 0.02 1.72 0.09 0.07 61.00 Average: 0 33.97 0.15 1.67 0.25 0.07 63.89 Average: 1 35.06 0.00 1.85 0.12 0.07 62.90 Average: 2 37.99 0.00 1.76 0.09 0.07 60.10 Average: 3 38.36 0.00 1.70 0.08 0.07 59.78 Average: 4 36.89 0.00 1.73 0.07 0.07 61.24 Average: 5 36.31 0.00 1.70 0.05 0.07 61.86 Average: 6 38.48 0.00 1.71 0.07 0.07 59.67 Average: 7 39.78 0.00 1.60 0.03 0.07 58.52