---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-21377 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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 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 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 697 9738 4 5552 14949 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:a3:26:59 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.248/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84770sec preferred_lft 84770sec inet6 fe80::f816:3eff:fea3:2659/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7a:e2:a7:b6:ab:5d 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-21377) 05/30/26 _x86_64_ (4 CPU) 02:47:33 LINUX RESTART (4 CPU) 02:50:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:00:04 40.16 1.13 23.58 15.45 433.45 4975.13 248735.98 03:10:01 33.96 0.04 30.87 3.05 1.55 6131.92 13093.86 Average: 37.07 0.59 27.22 9.26 217.99 5552.23 131178.64 02:50:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:00:04 8853008 12829900 3125720 19.09 152772 3913032 3434788 19.72 840736 6260784 17728 03:10:01 7595116 13017772 2931200 17.90 181024 5256728 3086508 17.72 1148352 7114284 30532 Average: 8224062 12923836 3028460 18.50 166898 4584880 3260648 18.72 994544 6687534 24130 02:50:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:00:04 lo 913.47 913.47 870.35 870.35 0.00 0.00 0.00 0.00 03:00:04 ens3 57.40 40.85 456.91 9.64 0.00 0.00 0.00 0.00 03:00:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:10:01 lo 1338.75 1338.75 1275.76 1275.76 0.00 0.00 0.00 0.00 03:10:01 ens3 38.22 33.49 229.95 8.34 0.00 0.00 0.00 0.00 03:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1125.63 1125.63 1072.60 1072.60 0.00 0.00 0.00 0.00 Average: ens3 47.83 37.18 343.68 8.99 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-21377) 05/30/26 _x86_64_ (4 CPU) 02:47:33 LINUX RESTART (4 CPU) 02:50:04 CPU %user %nice %system %iowait %steal %idle 03:00:04 all 60.53 0.00 2.12 1.07 0.10 36.17 03:00:04 0 59.67 0.00 1.88 1.60 0.10 36.75 03:00:04 1 61.65 0.00 2.39 0.86 0.10 35.01 03:00:04 2 59.69 0.00 1.89 1.29 0.10 37.03 03:00:04 3 61.11 0.00 2.33 0.55 0.09 35.91 03:10:01 all 56.94 0.00 2.24 0.07 0.10 40.65 03:10:01 0 57.86 0.00 1.97 0.06 0.10 40.01 03:10:01 1 58.73 0.00 2.49 0.03 0.10 38.65 03:10:01 2 53.82 0.00 2.10 0.10 0.10 43.88 03:10:01 3 57.33 0.00 2.42 0.10 0.09 40.06 Average: all 58.74 0.00 2.18 0.57 0.10 38.41 Average: 0 58.77 0.00 1.93 0.83 0.10 38.38 Average: 1 60.19 0.00 2.44 0.44 0.10 36.82 Average: 2 56.77 0.00 1.99 0.69 0.10 40.45 Average: 3 59.23 0.00 2.38 0.33 0.09 37.98