---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-42047 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 67G 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 727 9478 4 5783 14917 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:d9:ec:1c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.131/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84473sec preferred_lft 84473sec inet6 fe80::f816:3eff:fed9:ec1c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 72:a7:68:5f:09:06 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-42047) 08/28/26 _x86_64_ (4 CPU) 11:38:37 LINUX RESTART (4 CPU) 11:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:50:12 25.58 3.48 20.69 1.41 181.53 5881.98 3614.03 12:00:01 35.01 0.06 31.21 3.74 1.30 3267.37 30651.46 12:10:00 16.80 0.17 14.25 2.37 13.05 5839.03 2227.44 Average: 25.74 1.26 21.99 2.49 66.40 5012.05 11999.83 11:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:50:12 9735044 13485284 2470708 15.09 155416 3683612 2698888 15.49 696756 5519716 21676 12:00:01 8990432 13327820 2623140 16.02 187844 4190208 2776016 15.93 862304 6017836 25812 12:10:00 9778536 15340376 604592 3.69 209460 5324976 1084744 6.23 942060 5070964 11764 Average: 9501337 14051160 1899480 11.60 184240 4399599 2186549 12.55 833707 5536172 19751 11:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:50:12 lo 521.20 521.20 496.22 496.22 0.00 0.00 0.00 0.00 11:50:12 ens3 109.33 87.62 948.75 19.59 0.00 0.00 0.00 0.00 11:50:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:00:01 lo 1771.61 1771.61 1689.26 1689.26 0.00 0.00 0.00 0.00 12:00:01 ens3 40.92 31.84 163.08 11.26 0.00 0.00 0.00 0.00 12:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:10:00 lo 11.91 11.91 1.20 1.20 0.00 0.00 0.00 0.00 12:10:00 ens3 74.16 71.59 127.84 228.10 0.00 0.00 0.00 0.00 12:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 760.66 760.66 721.67 721.67 0.00 0.00 0.00 0.00 Average: ens3 75.22 64.02 418.06 86.35 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-42047) 08/28/26 _x86_64_ (4 CPU) 11:38:37 LINUX RESTART (4 CPU) 11:40:01 CPU %user %nice %system %iowait %steal %idle 11:50:12 all 47.86 0.00 1.94 0.11 0.03 50.06 11:50:12 0 48.81 0.00 1.84 0.10 0.03 49.22 11:50:12 1 46.94 0.00 1.88 0.15 0.03 51.01 11:50:12 2 48.46 0.00 2.14 0.07 0.03 49.30 11:50:12 3 47.22 0.00 1.90 0.13 0.02 50.73 12:00:01 all 59.75 0.00 2.77 0.09 0.03 37.35 12:00:01 0 59.25 0.00 3.15 0.08 0.03 37.48 12:00:01 1 58.74 0.00 2.68 0.09 0.03 38.46 12:00:01 2 60.40 0.00 2.70 0.06 0.03 36.80 12:00:01 3 60.62 0.00 2.56 0.14 0.04 36.65 12:10:00 all 43.93 0.00 1.63 0.08 0.03 54.33 12:10:00 0 38.89 0.00 1.46 0.14 0.03 59.48 12:10:00 1 47.72 0.00 1.62 0.05 0.03 50.59 12:10:00 2 44.89 0.00 1.74 0.06 0.03 53.28 12:10:00 3 44.24 0.00 1.70 0.07 0.03 53.96 Average: all 50.44 0.00 2.11 0.09 0.03 47.33 Average: 0 48.91 0.00 2.14 0.10 0.03 48.81 Average: 1 51.05 0.00 2.06 0.10 0.03 46.77 Average: 2 51.17 0.00 2.19 0.06 0.03 46.54 Average: 3 50.61 0.00 2.05 0.11 0.03 47.20