---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-40963 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 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 719 9330 4 5939 14926 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:92:c1:63 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.197/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83973sec preferred_lft 83973sec inet6 fe80::f816:3eff:fe92:c163/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ee:a4:08:4b:99:67 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-40963) 08/25/26 _x86_64_ (4 CPU) 20:25:00 LINUX RESTART (4 CPU) 20:30:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:02 15.19 2.33 11.83 1.03 136.67 3528.11 1009.91 20:50:02 57.25 0.37 45.79 11.09 11.20 4526.51 18625.44 21:00:02 56.65 0.15 34.83 21.66 10.45 5440.87 243822.30 Average: 43.03 0.95 30.82 11.26 52.77 4498.50 87820.08 20:30:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:02 9876820 13423880 2533860 15.48 157320 3495308 2931412 16.83 598252 5493000 47748 20:50:02 8835104 13297864 2651408 16.19 210548 4277816 2831964 16.26 823268 6198952 9292 21:00:02 9660500 15376076 568044 3.47 252272 5421684 1112836 6.39 1228452 4899160 236 Average: 9457475 14032607 1917771 11.71 206713 4398269 2292071 13.16 883324 5530371 19092 20:30:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:02 lo 1.25 1.25 0.12 0.12 0.00 0.00 0.00 0.00 20:40:02 ens3 113.71 93.17 572.44 23.31 0.00 0.00 0.00 0.00 20:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:02 lo 5214.87 5214.87 4973.41 4973.41 0.00 0.00 0.00 0.00 20:50:02 ens3 100.06 72.71 326.93 21.19 0.00 0.00 0.00 0.00 20:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:02 lo 3408.44 3408.44 3244.93 3244.93 0.00 0.00 0.00 0.00 21:00:02 ens3 95.47 79.55 156.47 74.68 0.00 0.00 0.00 0.00 21:00:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2874.85 2874.85 2739.49 2739.49 0.00 0.00 0.00 0.00 Average: ens3 103.08 81.81 351.94 39.73 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-40963) 08/25/26 _x86_64_ (4 CPU) 20:25:00 LINUX RESTART (4 CPU) 20:30:02 CPU %user %nice %system %iowait %steal %idle 20:40:02 all 60.97 0.00 2.15 0.07 0.09 36.71 20:40:02 0 59.94 0.00 2.00 0.08 0.10 37.89 20:40:02 1 60.78 0.00 2.11 0.08 0.09 36.95 20:40:02 2 61.92 0.00 2.44 0.10 0.10 35.45 20:40:02 3 61.26 0.00 2.07 0.02 0.10 36.55 20:50:02 all 63.00 0.00 4.02 0.09 0.10 32.79 20:50:02 0 60.61 0.00 3.58 0.12 0.10 35.60 20:50:02 1 64.17 0.00 4.36 0.06 0.10 31.31 20:50:02 2 63.78 0.00 3.99 0.12 0.10 32.02 20:50:02 3 63.45 0.00 4.14 0.06 0.10 32.25 21:00:02 all 55.38 0.00 3.39 0.26 0.09 40.87 21:00:02 0 57.16 0.00 3.63 0.28 0.10 38.83 21:00:02 1 56.83 0.00 3.94 0.33 0.09 38.81 21:00:02 2 55.70 0.00 3.32 0.18 0.09 40.71 21:00:02 3 51.83 0.00 2.69 0.25 0.09 45.14 Average: all 59.78 0.00 3.19 0.14 0.10 36.79 Average: 0 59.24 0.00 3.07 0.16 0.10 37.44 Average: 1 60.59 0.00 3.47 0.15 0.09 35.69 Average: 2 60.47 0.00 3.25 0.13 0.10 36.06 Average: 3 58.85 0.00 2.96 0.11 0.09 37.98