---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-3976 5.15.0-190-generic #200-Ubuntu SMP Fri Aug 7 15:06:04 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 24G 132G 15% / 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 1007 13511 4 17573 30615 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:27:44:29 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.170/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84436sec preferred_lft 84436sec inet6 fe80::f816:3eff:fe27:4429/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether e6:a3:cb:6b:96:aa 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::e4a3:cbff:fe6b:96aa/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-190-generic (prd-ubuntu2204-docker-8c-8g-3976) 09/21/26 _x86_64_ (8 CPU) 19:52:27 LINUX RESTART (8 CPU) 20:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:10:00 41.90 0.55 39.13 2.22 13.72 4427.42 13088.68 20:20:00 10.74 0.04 9.52 1.17 5.96 2972.62 1144.23 Average: 26.33 0.30 24.34 1.70 9.84 3700.48 7120.29 20:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:10:00 12881344 24212912 8015792 24.39 512716 10242432 10875936 32.07 3017964 15614344 6956 20:20:00 12527660 24681412 7545824 22.96 517912 11027736 14249432 42.02 3336124 15617976 4400 Average: 12704502 24447162 7780808 23.68 515314 10635084 12562684 37.05 3177044 15616160 5678 20:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:10:00 lo 5.09 5.09 1.61 1.61 0.00 0.00 0.00 0.00 20:10:00 ens3 192.05 149.44 313.34 684.38 0.00 0.00 0.00 0.00 20:10:00 docker0 0.01 0.01 0.00 0.00 0.00 0.00 0.00 0.00 20:20:00 lo 3.76 3.76 0.48 0.48 0.00 0.00 0.00 0.00 20:20:00 ens3 103.77 68.89 107.92 377.10 0.00 0.00 0.00 0.00 20:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 4.42 4.42 1.04 1.04 0.00 0.00 0.00 0.00 Average: ens3 147.94 109.19 210.69 530.84 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 5.15.0-190-generic (prd-ubuntu2204-docker-8c-8g-3976) 09/21/26 _x86_64_ (8 CPU) 19:52:27 LINUX RESTART (8 CPU) 20:00:00 CPU %user %nice %system %iowait %steal %idle 20:10:00 all 77.17 0.00 3.13 0.10 0.03 19.57 20:10:00 0 73.58 0.00 3.38 0.08 0.02 22.95 20:10:00 1 77.56 0.00 3.22 0.06 0.04 19.11 20:10:00 2 73.75 0.00 2.95 0.16 0.03 23.11 20:10:00 3 78.08 0.00 3.32 0.17 0.02 18.41 20:10:00 4 76.03 0.00 2.85 0.05 0.02 21.05 20:10:00 5 77.51 0.00 3.12 0.06 0.03 19.28 20:10:00 6 84.41 0.00 3.16 0.10 0.03 12.30 20:10:00 7 76.43 0.00 3.05 0.12 0.02 20.38 20:20:00 all 96.54 0.00 3.35 0.00 0.03 0.09 20:20:00 0 96.78 0.00 3.11 0.00 0.02 0.08 20:20:00 1 96.47 0.00 3.41 0.00 0.02 0.10 20:20:00 2 96.68 0.00 3.18 0.00 0.05 0.09 20:20:00 3 96.34 0.00 3.57 0.00 0.03 0.07 20:20:00 4 96.61 0.00 3.30 0.00 0.02 0.07 20:20:00 5 96.29 0.00 3.57 0.00 0.04 0.11 20:20:00 6 96.58 0.00 3.31 0.00 0.03 0.08 20:20:00 7 96.55 0.00 3.32 0.00 0.04 0.09 Average: all 86.85 0.00 3.24 0.05 0.03 9.83 Average: 0 85.18 0.00 3.24 0.04 0.02 11.52 Average: 1 87.02 0.00 3.32 0.03 0.03 9.60 Average: 2 85.21 0.00 3.07 0.08 0.04 11.60 Average: 3 87.21 0.00 3.44 0.08 0.02 9.24 Average: 4 86.32 0.00 3.08 0.03 0.02 10.56 Average: 5 86.90 0.00 3.34 0.03 0.03 9.69 Average: 6 90.49 0.00 3.24 0.05 0.03 6.19 Average: 7 86.49 0.00 3.19 0.06 0.03 10.23