---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-2112 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 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 700 9661 4 5627 14946 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:a5:e8:57 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.108/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84233sec preferred_lft 84233sec inet6 fe80::f816:3eff:fea5:e857/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5e:06:6e:b4:23:80 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-2112) 08/04/26 _x86_64_ (4 CPU) 18:21:24 LINUX RESTART (4 CPU) 18:30:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:40:41 42.34 0.02 36.06 6.25 0.78 1553.23 124119.79 18:50:04 29.76 0.20 25.35 4.21 5.16 2320.36 32188.03 Average: 36.39 0.11 30.99 5.29 2.85 1916.16 80626.80 18:30:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:40:41 9324572 13013912 2944032 17.98 159316 3647600 3118860 17.90 700824 5937992 120 18:50:04 8879960 13030864 2923108 17.85 178948 4055780 2952024 16.94 839816 6205600 17048 Average: 9102266 13022388 2933570 17.92 169132 3851690 3035442 17.42 770320 6071796 8584 18:30:14 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:40:41 lo 43.01 43.01 10.05 10.05 0.00 0.00 0.00 0.00 18:40:41 ens3 15.09 11.31 10.34 3.58 0.00 0.00 0.00 0.00 18:40:41 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:50:04 lo 1736.95 1736.95 1640.96 1640.96 0.00 0.00 0.00 0.00 18:50:04 ens3 53.90 40.54 297.11 10.86 0.00 0.00 0.00 0.00 18:50:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 844.41 844.41 781.64 781.64 0.00 0.00 0.00 0.00 Average: ens3 33.45 25.14 146.01 7.02 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-2112) 08/04/26 _x86_64_ (4 CPU) 18:21:24 LINUX RESTART (4 CPU) 18:30:14 CPU %user %nice %system %iowait %steal %idle 18:40:41 all 24.72 0.00 1.16 0.39 0.12 73.61 18:40:41 0 24.35 0.00 1.20 0.11 0.12 74.22 18:40:41 1 24.62 0.00 1.12 0.14 0.12 73.99 18:40:41 2 25.23 0.00 1.17 0.52 0.12 72.95 18:40:41 3 24.69 0.00 1.13 0.80 0.12 73.27 18:50:04 all 48.09 0.00 2.45 0.16 0.12 49.18 18:50:04 0 47.60 0.00 2.32 0.15 0.12 49.82 18:50:04 1 48.46 0.00 2.41 0.17 0.12 48.84 18:50:04 2 48.06 0.00 2.49 0.10 0.11 49.23 18:50:04 3 48.23 0.00 2.58 0.24 0.12 48.84 Average: all 35.78 0.00 1.77 0.28 0.12 62.05 Average: 0 35.34 0.00 1.73 0.13 0.12 62.68 Average: 1 35.91 0.00 1.73 0.16 0.12 62.08 Average: 2 36.03 0.00 1.80 0.32 0.12 61.73 Average: 3 35.83 0.00 1.81 0.53 0.12 61.71