---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-21058 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 920 24945 4 6225 30703 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:19:1d:f4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.80/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84434sec preferred_lft 84434sec inet6 fe80::f816:3eff:fe19:1df4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether a2:3b:e1:3f:54:18 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-21058) 01/07/26 _x86_64_ (8 CPU) 13:24:55 LINUX RESTART (8 CPU) 13:30:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:40:05 31.59 0.49 27.47 3.62 404.16 3673.75 11888.28 13:50:05 37.55 0.01 32.73 4.82 0.09 3178.68 18431.35 Average: 34.56 0.25 30.09 4.22 202.89 3427.15 15147.43 13:30:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:40:05 25476880 29089048 3218764 9.79 163896 3679188 3421248 10.09 828860 6102264 208 13:50:05 25133876 29355108 2947516 8.97 207336 4188788 2972760 8.77 981864 6238804 27980 Average: 25305378 29222078 3083140 9.38 185616 3933988 3197004 9.43 905362 6170534 14094 13:30:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:40:05 lo 1238.62 1238.62 1178.07 1178.07 0.00 0.00 0.00 0.00 13:40:05 ens3 35.84 29.08 139.34 7.57 0.00 0.00 0.00 0.00 13:40:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:50:05 lo 2077.97 2077.97 1978.65 1978.65 0.00 0.00 0.00 0.00 13:50:05 ens3 24.33 20.21 8.31 7.36 0.00 0.00 0.00 0.00 13:50:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1656.70 1656.70 1576.85 1576.85 0.00 0.00 0.00 0.00 Average: ens3 30.10 24.66 74.07 7.47 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-21058) 01/07/26 _x86_64_ (8 CPU) 13:24:55 LINUX RESTART (8 CPU) 13:30:00 CPU %user %nice %system %iowait %steal %idle 13:40:05 all 36.00 0.00 1.54 0.10 0.07 62.30 13:40:05 0 32.63 0.00 1.56 0.13 0.07 65.62 13:40:05 1 34.53 0.00 1.70 0.15 0.07 63.55 13:40:05 2 39.76 0.00 1.74 0.06 0.07 58.38 13:40:05 3 36.76 0.00 1.51 0.09 0.06 61.57 13:40:05 4 38.70 0.00 1.42 0.05 0.07 59.77 13:40:05 5 33.41 0.00 1.21 0.06 0.06 65.26 13:40:05 6 39.58 0.00 1.73 0.07 0.06 58.56 13:40:05 7 32.67 0.00 1.46 0.15 0.06 65.66 13:50:05 all 38.31 0.00 1.83 0.06 0.07 59.73 13:50:05 0 35.24 0.00 1.91 0.07 0.07 62.72 13:50:05 1 44.31 0.00 2.14 0.04 0.07 53.44 13:50:05 2 34.63 0.00 1.87 0.05 0.07 63.38 13:50:05 3 43.05 0.00 2.05 0.08 0.07 54.74 13:50:05 4 35.24 0.00 1.66 0.05 0.07 62.99 13:50:05 5 38.83 0.00 1.69 0.04 0.07 59.38 13:50:05 6 39.13 0.00 1.50 0.05 0.07 59.26 13:50:05 7 36.03 0.00 1.87 0.13 0.07 61.91 Average: all 37.15 0.00 1.69 0.08 0.07 61.02 Average: 0 33.93 0.00 1.73 0.10 0.07 64.17 Average: 1 39.39 0.00 1.92 0.10 0.07 58.52 Average: 2 37.21 0.00 1.80 0.05 0.07 60.87 Average: 3 39.89 0.00 1.78 0.09 0.07 58.17 Average: 4 36.97 0.00 1.54 0.05 0.07 61.37 Average: 5 36.10 0.00 1.45 0.05 0.07 62.34 Average: 6 39.36 0.00 1.61 0.06 0.07 58.91 Average: 7 34.34 0.00 1.66 0.14 0.07 63.79