---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-46571 5.15.0-186-generic #196-Ubuntu SMP Sat Jun 20 16:09:34 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): 4 On-line CPU(s) list: 0-3 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): 4 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: 128 KiB (4 instances) L1i cache: 128 KiB (4 instances) L2 cache: 2 MiB (4 instances) L3 cache: 64 MiB (4 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-3 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: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 1.6G 1.1M 1.6G 1% /run /dev/vda1 78G 12G 66G 15% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 1.6G 4.0K 1.6G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15989 657 9274 4 6057 14988 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:74:40:a1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.80/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84474sec preferred_lft 84474sec inet6 fe80::f816:3eff:fe74:40a1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 42:ca:e0:61:ba:5f 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-46571) 09/01/26 _x86_64_ (4 CPU) 08:37:38 LINUX RESTART (4 CPU) 08:40:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:50:00 23.91 2.56 18.56 2.79 148.05 3637.16 17666.91 09:00:01 17.54 0.18 14.98 2.37 5.07 1909.65 27376.50 Average: 20.70 1.36 16.76 2.58 75.99 2766.50 22560.51 08:40:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:50:00 8978296 12492156 3466080 21.17 131424 3501540 3632076 20.85 663276 6337028 4876 09:00:01 9246516 13163292 2791212 17.05 153868 3848548 2986360 17.14 794956 5862636 14912 Average: 9112406 12827724 3128646 19.11 142646 3675044 3309218 18.99 729116 6099832 9894 08:40:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:50:00 lo 16.85 16.85 3.67 3.67 0.00 0.00 0.00 0.00 08:50:00 ens3 73.98 62.65 701.74 13.64 0.00 0.00 0.00 0.00 08:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:00:01 lo 886.24 886.24 810.71 810.71 0.00 0.00 0.00 0.00 09:00:01 ens3 30.11 23.32 249.16 5.53 0.00 0.00 0.00 0.00 09:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 455.02 455.02 410.42 410.42 0.00 0.00 0.00 0.00 Average: ens3 51.87 42.82 473.64 9.55 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-46571) 09/01/26 _x86_64_ (4 CPU) 08:37:38 LINUX RESTART (4 CPU) 08:40:09 CPU %user %nice %system %iowait %steal %idle 08:50:00 all 32.25 0.00 1.47 0.30 0.02 65.96 08:50:00 0 31.60 0.00 1.35 0.45 0.02 66.58 08:50:00 1 31.98 0.00 1.65 0.11 0.02 66.24 08:50:00 2 32.97 0.00 1.43 0.21 0.02 65.37 08:50:00 3 32.47 0.00 1.44 0.43 0.02 65.64 09:00:01 all 25.38 0.00 1.47 0.10 0.02 73.02 09:00:01 0 24.91 0.00 1.76 0.16 0.03 73.15 09:00:01 1 25.59 0.00 1.45 0.05 0.02 72.88 09:00:01 2 25.19 0.00 1.34 0.05 0.02 73.40 09:00:01 3 25.83 0.00 1.34 0.14 0.02 72.66 Average: all 28.79 0.00 1.47 0.20 0.02 69.52 Average: 0 28.23 0.00 1.56 0.30 0.02 69.89 Average: 1 28.76 0.00 1.55 0.08 0.02 69.58 Average: 2 29.04 0.00 1.39 0.13 0.02 69.42 Average: 3 29.13 0.00 1.39 0.28 0.02 69.17