---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-34244 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: 5600.00 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: 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 11G 67G 14% / 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 686 10428 4 4874 14960 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:5f:38:ca brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.69/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84191sec preferred_lft 84191sec inet6 fe80::f816:3eff:fe5f:38ca/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether de:1b:9c:82:d9:a9 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-34244) 08/11/26 _x86_64_ (4 CPU) 08:07:45 LINUX RESTART (4 CPU) 08:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:20:01 3.57 0.03 3.52 0.01 1.08 745.27 0.72 08:30:01 12.61 1.98 9.69 0.94 129.96 2994.84 2152.41 08:40:01 30.50 0.94 25.01 4.55 33.72 4325.64 12996.57 Average: 15.56 0.98 12.74 1.84 54.92 2688.58 5049.90 08:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:20:01 13001512 15498504 476256 2.91 99460 2586488 1001268 5.75 340152 2701944 196 08:30:01 10561148 13992900 1966896 12.01 140152 3407260 2291824 13.16 573848 4843900 15472 08:40:01 10752684 15383840 567904 3.47 176212 4483736 1111832 6.38 903060 4226060 86208 Average: 11438448 14958415 1003685 6.13 138608 3492495 1468308 8.43 605687 3923968 33959 08:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:20:01 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 08:20:01 ens3 15.27 12.48 174.36 1.84 0.00 0.00 0.00 0.00 08:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:01 lo 1.24 1.24 0.12 0.12 0.00 0.00 0.00 0.00 08:30:01 ens3 94.49 74.95 610.99 19.38 0.00 0.00 0.00 0.00 08:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:01 lo 1795.07 1795.07 1711.36 1711.36 0.00 0.00 0.00 0.00 08:40:01 ens3 87.91 66.86 453.69 20.50 0.00 0.00 0.00 0.00 08:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 598.81 598.81 570.50 570.50 0.00 0.00 0.00 0.00 Average: ens3 65.89 51.43 413.01 13.91 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-34244) 08/11/26 _x86_64_ (4 CPU) 08:07:45 LINUX RESTART (4 CPU) 08:10:01 CPU %user %nice %system %iowait %steal %idle 08:20:01 all 0.39 0.00 0.07 0.02 0.02 99.50 08:20:01 0 0.03 0.00 0.03 0.00 0.01 99.93 08:20:01 1 0.52 0.00 0.05 0.02 0.03 99.39 08:20:01 2 0.78 0.00 0.11 0.01 0.03 99.06 08:20:01 3 0.22 0.00 0.11 0.03 0.01 99.62 08:30:01 all 63.67 0.00 2.11 0.04 0.11 34.06 08:30:01 0 63.10 0.00 2.06 0.03 0.11 34.70 08:30:01 1 64.68 0.00 2.20 0.08 0.12 32.92 08:30:01 2 64.64 0.00 2.31 0.02 0.12 32.91 08:30:01 3 62.26 0.00 1.88 0.03 0.11 35.72 08:40:01 all 67.13 0.00 2.85 0.07 0.11 29.84 08:40:01 0 65.01 0.00 2.87 0.07 0.11 31.95 08:40:01 1 67.05 0.00 2.80 0.05 0.11 29.99 08:40:01 2 66.94 0.00 2.61 0.07 0.11 30.28 08:40:01 3 69.53 0.00 3.12 0.10 0.11 27.14 Average: all 43.69 0.00 1.68 0.04 0.08 54.51 Average: 0 42.69 0.00 1.65 0.03 0.08 55.55 Average: 1 44.02 0.00 1.68 0.05 0.09 54.17 Average: 2 44.07 0.00 1.68 0.03 0.08 54.14 Average: 3 43.97 0.00 1.70 0.05 0.08 54.20