---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-41313 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 774 9093 4 6120 14871 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:31:a1:97 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.176/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83787sec preferred_lft 83787sec inet6 fe80::f816:3eff:fe31:a197/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7a:d2:f3:65:3a:6e 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-41313) 08/26/26 _x86_64_ (4 CPU) 20:24:31 LINUX RESTART (4 CPU) 20:30:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:01 12.64 2.30 9.53 0.80 136.41 2849.64 1829.35 20:50:01 50.96 0.39 37.93 12.65 10.97 4640.15 33137.15 21:00:08 44.77 0.00 36.77 8.00 0.07 3083.15 38906.46 Average: 36.20 0.89 28.14 7.16 48.80 3523.36 24721.24 20:30:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:01 10176904 13735948 2222040 13.57 148624 3530780 2510928 14.41 580176 5217676 48952 20:50:01 8655912 13283380 2664732 16.28 208288 4444632 2834600 16.27 834056 6368792 36848 21:00:08 7631908 12875104 3068196 18.74 246824 4966560 3229060 18.53 966888 7205124 119172 Average: 8821575 13298144 2651656 16.20 201245 4313991 2858196 16.41 793707 6263864 68324 20:30:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:01 lo 1.05 1.05 0.10 0.10 0.00 0.00 0.00 0.00 20:40:01 ens3 84.82 70.45 579.66 18.91 0.00 0.00 0.00 0.00 20:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:01 lo 3926.28 3926.28 3744.62 3744.62 0.00 0.00 0.00 0.00 20:50:01 ens3 78.33 61.17 324.94 20.36 0.00 0.00 0.00 0.00 20:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:08 lo 4581.93 4581.93 4368.18 4368.18 0.00 0.00 0.00 0.00 21:00:08 ens3 61.32 46.47 22.84 20.19 0.00 0.00 0.00 0.00 21:00:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2848.34 2848.34 2715.66 2715.66 0.00 0.00 0.00 0.00 Average: ens3 74.75 59.29 307.48 19.82 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-41313) 08/26/26 _x86_64_ (4 CPU) 20:24:31 LINUX RESTART (4 CPU) 20:30:04 CPU %user %nice %system %iowait %steal %idle 20:40:01 all 48.82 0.00 1.89 0.06 0.02 49.21 20:40:01 0 45.75 0.00 1.80 0.06 0.02 52.36 20:40:01 1 49.20 0.00 2.00 0.04 0.03 48.73 20:40:01 2 50.58 0.00 1.97 0.05 0.03 47.38 20:40:01 3 49.75 0.00 1.77 0.09 0.03 48.36 20:50:01 all 62.80 0.00 4.03 0.09 0.03 33.05 20:50:01 0 61.83 0.00 3.96 0.09 0.03 34.10 20:50:01 1 61.90 0.00 4.12 0.10 0.03 33.86 20:50:01 2 64.18 0.00 3.73 0.08 0.03 31.98 20:50:01 3 63.28 0.00 4.31 0.11 0.03 32.27 21:00:08 all 60.40 0.00 4.33 0.18 0.03 35.06 21:00:08 0 59.66 0.00 4.24 0.29 0.03 35.79 21:00:08 1 62.42 0.00 5.19 0.22 0.03 32.14 21:00:08 2 59.40 0.00 3.68 0.09 0.03 36.81 21:00:08 3 60.11 0.00 4.22 0.14 0.03 35.51 Average: all 57.36 0.00 3.42 0.11 0.03 39.08 Average: 0 55.78 0.00 3.34 0.15 0.03 40.71 Average: 1 57.87 0.00 3.78 0.12 0.03 38.21 Average: 2 58.07 0.00 3.13 0.07 0.03 38.70 Average: 3 57.73 0.00 3.44 0.11 0.03 38.69