---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-2518 5.15.0-179-generic #189-Ubuntu SMP Tue May 5 18:20:56 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 18G 138G 12% / 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 786 19997 4 11308 30838 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:7f:11:44 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.185/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84678sec preferred_lft 84678sec inet6 fe80::f816:3eff:fe7f:1144/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ea:3f:fb:ee:79:8d 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 5.15.0-179-generic (prd-ubuntu2204-docker-8c-8g-2518) 06/25/26 _x86_64_ (8 CPU) 12:22:11 LINUX RESTART (8 CPU) 12:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:40:13 16.88 0.57 15.25 1.06 13.73 3466.78 490.19 12:50:01 37.04 0.06 14.32 22.65 6.29 5491.53 505379.48 Average: 26.76 0.32 14.79 11.65 10.08 4459.74 248093.32 12:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:40:13 17730332 26576860 5668892 17.25 471188 7908528 9179648 27.07 1496936 12428516 2280 12:50:01 18335452 28811040 3429768 10.44 483108 9468292 3227088 9.52 1658140 11597632 181904 Average: 18032892 27693950 4549330 13.84 477148 8688410 6203368 18.29 1577538 12013074 92092 12:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:40:13 lo 7.03 7.03 1.88 1.88 0.00 0.00 0.00 0.00 12:40:13 ens3 224.13 136.03 272.36 58.88 0.00 0.00 0.00 0.00 12:40:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:50:01 lo 1.08 1.08 0.11 0.11 0.00 0.00 0.00 0.00 12:50:01 ens3 147.79 82.77 168.41 41.16 0.00 0.00 0.00 0.00 12:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 4.11 4.11 1.01 1.01 0.00 0.00 0.00 0.00 Average: ens3 186.69 109.91 221.38 50.19 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 5.15.0-179-generic (prd-ubuntu2204-docker-8c-8g-2518) 06/25/26 _x86_64_ (8 CPU) 12:22:11 LINUX RESTART (8 CPU) 12:30:01 CPU %user %nice %system %iowait %steal %idle 12:40:13 all 86.17 0.00 2.57 0.49 0.13 10.64 12:40:13 0 84.68 0.00 2.57 0.65 0.13 11.97 12:40:13 1 85.90 0.00 2.59 0.56 0.13 10.81 12:40:13 2 85.71 0.00 2.65 1.02 0.14 10.49 12:40:13 3 88.38 0.00 2.59 0.21 0.14 8.69 12:40:13 4 87.60 0.00 2.57 0.33 0.14 9.37 12:40:13 5 87.64 0.00 2.51 0.44 0.13 9.28 12:40:13 6 85.64 0.00 2.53 0.26 0.13 11.44 12:40:13 7 83.79 0.00 2.53 0.46 0.13 13.09 12:50:01 all 92.48 0.00 2.85 0.03 0.14 4.50 12:50:01 0 92.09 0.00 2.74 0.20 0.14 4.83 12:50:01 1 92.82 0.00 2.95 0.02 0.14 4.07 12:50:01 2 92.35 0.00 2.74 0.00 0.14 4.77 12:50:01 3 92.05 0.00 2.97 0.01 0.14 4.84 12:50:01 4 91.99 0.00 2.75 0.00 0.13 5.13 12:50:01 5 91.70 0.00 3.16 0.03 0.14 4.97 12:50:01 6 91.83 0.00 2.69 0.00 0.14 5.34 12:50:01 7 94.96 0.00 2.82 0.00 0.14 2.08 Average: all 89.26 0.00 2.71 0.26 0.14 7.63 Average: 0 88.31 0.00 2.66 0.43 0.14 8.46 Average: 1 89.29 0.00 2.77 0.29 0.14 7.50 Average: 2 88.97 0.00 2.69 0.52 0.14 7.68 Average: 3 90.18 0.00 2.78 0.11 0.14 6.80 Average: 4 89.75 0.00 2.65 0.17 0.14 7.29 Average: 5 89.63 0.00 2.83 0.24 0.14 7.17 Average: 6 88.68 0.00 2.61 0.13 0.14 8.44 Average: 7 89.27 0.00 2.67 0.24 0.14 7.69