---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-211 5.15.0-181-generic #191-Ubuntu SMP Fri May 22 19:09:02 UTC 2026 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 20G 136G 13% / 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 824 17801 4 13465 30799 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:8e:23:d5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.108/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 85309sec preferred_lft 85309sec inet6 fe80::f816:3eff:fe8e:23d5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 32:92:9e:65:da:ae 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 inet6 fe80::3092:9eff:fe65:daae/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-181-generic (prd-ubuntu2204-docker-8c-8g-211) 07/22/26 _x86_64_ (8 CPU) 11:16:06 LINUX RESTART (8 CPU) 11:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:30:01 182.98 1.44 177.08 4.46 18.60 34719.03 150330.60 Average: 182.98 1.44 177.08 4.46 18.60 34719.03 150330.60 11:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:30:01 17834276 30966296 1278908 3.89 363504 12357812 1879672 5.54 4939436 8905268 459968 Average: 17834276 30966296 1278908 3.89 363504 12357812 1879672 5.54 4939436 8905268 459968 11:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:30:01 lo 0.29 0.29 0.02 0.02 0.00 0.00 0.00 0.00 11:30:01 ens3 104.18 76.14 971.37 1590.23 0.00 0.00 0.00 0.00 11:30:01 docker0 28.91 43.93 2.28 892.53 0.00 0.00 0.00 0.00 11:30:01 veth8f34c80 21.47 31.60 1.60 671.71 0.00 0.00 0.00 0.06 Average: lo 0.29 0.29 0.02 0.02 0.00 0.00 0.00 0.00 Average: ens3 104.18 76.14 971.37 1590.23 0.00 0.00 0.00 0.00 Average: docker0 28.91 43.93 2.28 892.53 0.00 0.00 0.00 0.00 Average: veth8f34c80 21.47 31.60 1.60 671.71 0.00 0.00 0.00 0.06 ---> sar -P ALL: Linux 5.15.0-181-generic (prd-ubuntu2204-docker-8c-8g-211) 07/22/26 _x86_64_ (8 CPU) 11:16:06 LINUX RESTART (8 CPU) 11:20:01 CPU %user %nice %system %iowait %steal %idle 11:30:01 all 11.43 0.00 3.17 2.56 0.11 82.73 11:30:01 0 13.53 0.00 3.06 0.64 0.12 82.65 11:30:01 1 9.64 0.00 2.98 1.85 0.15 85.39 11:30:01 2 10.29 0.00 3.16 1.86 0.16 84.53 11:30:01 3 13.92 0.00 3.56 1.55 0.12 80.85 11:30:01 4 9.93 0.00 3.26 1.19 0.08 85.54 11:30:01 5 12.46 0.00 3.20 2.21 0.14 81.98 11:30:01 6 11.33 0.00 3.29 10.22 0.09 75.07 11:30:01 7 10.37 0.00 2.83 0.93 0.05 85.82 Average: all 11.43 0.00 3.17 2.56 0.11 82.73 Average: 0 13.53 0.00 3.06 0.64 0.12 82.65 Average: 1 9.64 0.00 2.98 1.85 0.15 85.39 Average: 2 10.29 0.00 3.16 1.86 0.16 84.53 Average: 3 13.92 0.00 3.56 1.55 0.12 80.85 Average: 4 9.93 0.00 3.26 1.19 0.08 85.54 Average: 5 12.46 0.00 3.20 2.21 0.14 81.98 Average: 6 11.33 0.00 3.29 10.22 0.09 75.07 Average: 7 10.37 0.00 2.83 0.93 0.05 85.82