---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-29590 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 68G 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 658 10516 4 4815 14988 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:11:e6:97 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.191/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84733sec preferred_lft 84733sec inet6 fe80::f816:3eff:fe11:e697/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3a:c5:97:93:17:8b 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-29590) 06/22/26 _x86_64_ (4 CPU) 19:39:06 LINUX RESTART (4 CPU) 19:40:45 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:50:21 21.79 2.97 17.57 1.25 169.63 7512.47 2343.16 20:00:00 25.66 0.82 21.64 3.20 29.11 3268.26 11455.24 Average: 23.73 1.89 19.61 2.23 99.23 5386.10 6908.35 19:40:45 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:50:21 10502796 13780612 2179732 13.31 129632 3275432 2472956 14.19 543876 4951944 18816 20:00:00 8798928 13023336 2929056 17.89 165404 4108760 3096372 17.77 772780 6334700 114720 Average: 9650862 13401974 2554394 15.60 147518 3692096 2784664 15.98 658328 5643322 66768 19:40:45 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:50:21 lo 1.08 1.08 0.11 0.11 0.00 0.00 0.00 0.00 19:50:21 ens3 102.66 82.73 746.49 19.29 0.00 0.00 0.00 0.00 19:50:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:00:00 lo 1461.97 1461.97 1393.61 1393.61 0.00 0.00 0.00 0.00 20:00:00 ens3 84.67 60.25 341.63 18.27 0.00 0.00 0.00 0.00 20:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 733.00 733.00 698.26 698.26 0.00 0.00 0.00 0.00 Average: ens3 93.65 71.47 543.65 18.78 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-29590) 06/22/26 _x86_64_ (4 CPU) 19:39:06 LINUX RESTART (4 CPU) 19:40:45 CPU %user %nice %system %iowait %steal %idle 19:50:21 all 49.85 0.00 1.68 0.43 0.09 47.94 19:50:21 0 48.79 0.00 1.57 0.15 0.09 49.40 19:50:21 1 48.68 0.00 1.77 0.23 0.09 49.22 19:50:21 2 54.00 0.00 1.72 1.28 0.10 42.91 19:50:21 3 47.94 0.00 1.67 0.08 0.09 50.23 20:00:00 all 69.86 0.00 2.71 0.07 0.11 27.25 20:00:00 0 69.10 0.00 2.69 0.05 0.12 28.04 20:00:00 1 70.39 0.00 2.71 0.08 0.11 26.71 20:00:00 2 70.09 0.00 2.99 0.07 0.11 26.75 20:00:00 3 69.87 0.00 2.46 0.07 0.12 27.49 Average: all 59.87 0.00 2.20 0.25 0.10 37.58 Average: 0 58.97 0.00 2.13 0.10 0.10 38.70 Average: 1 59.55 0.00 2.24 0.16 0.10 37.95 Average: 2 62.05 0.00 2.35 0.67 0.10 34.82 Average: 3 58.92 0.00 2.06 0.07 0.10 38.85