---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-25146 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 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 682 10286 4 5020 14964 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:98:8e:08 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.255/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84426sec preferred_lft 84426sec inet6 fe80::f816:3eff:fe98:8e08/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 22:26:ab:0d:fe:96 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-25146) 06/05/26 _x86_64_ (4 CPU) 15:26:09 LINUX RESTART (4 CPU) 15:30:42 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:40:02 15.30 2.50 11.76 1.04 563.55 3185.51 7402.66 15:50:01 25.65 0.79 21.70 3.17 28.13 3157.39 11575.25 Average: 20.66 1.62 16.90 2.14 286.51 3170.96 9561.61 15:30:42 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:40:02 10580888 14085548 1874020 11.45 131456 3497212 2490672 14.30 682260 4720688 28068 15:50:01 8912596 13317136 2634820 16.09 167316 4287260 3066496 17.60 902044 6094184 93480 Average: 9746742 13701342 2254420 13.77 149386 3892236 2778584 15.95 792152 5407436 60774 15:30:42 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:40:02 lo 1.02 1.02 0.10 0.10 0.00 0.00 0.00 0.00 15:40:02 ens3 119.67 92.45 868.36 18.66 0.00 0.00 0.00 0.00 15:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:50:01 lo 1522.12 1522.12 1451.09 1451.09 0.00 0.00 0.00 0.00 15:50:01 ens3 78.89 57.96 334.25 17.39 0.00 0.00 0.00 0.00 15:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 788.06 788.06 750.86 750.86 0.00 0.00 0.00 0.00 Average: ens3 98.57 74.60 592.00 18.00 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-25146) 06/05/26 _x86_64_ (4 CPU) 15:26:09 LINUX RESTART (4 CPU) 15:30:42 CPU %user %nice %system %iowait %steal %idle 15:40:02 all 52.24 0.00 1.82 0.14 0.09 45.70 15:40:02 0 51.17 0.00 1.77 0.16 0.09 46.81 15:40:02 1 52.05 0.00 2.16 0.06 0.10 45.64 15:40:02 2 53.41 0.00 1.67 0.17 0.10 44.65 15:40:02 3 52.33 0.00 1.69 0.17 0.09 45.71 15:50:01 all 69.65 0.00 2.76 0.05 0.14 27.40 15:50:01 0 71.72 0.00 3.01 0.05 0.14 25.08 15:50:01 1 69.04 0.00 2.97 0.04 0.13 27.82 15:50:01 2 70.60 0.00 2.72 0.04 0.14 26.51 15:50:01 3 67.26 0.00 2.37 0.07 0.13 30.17 Average: all 61.25 0.00 2.31 0.09 0.12 36.23 Average: 0 61.80 0.00 2.41 0.10 0.11 35.57 Average: 1 60.85 0.00 2.58 0.05 0.11 36.41 Average: 2 62.30 0.00 2.21 0.10 0.12 35.27 Average: 3 60.06 0.00 2.04 0.12 0.11 37.67