---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-9001 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 679 10582 4 4726 14967 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:fd:42:3f 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 84688sec preferred_lft 84688sec inet6 fe80::f816:3eff:fefd:423f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fa:bc:33:0e:67:c1 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-9001) 04/28/26 _x86_64_ (4 CPU) 08:27:48 LINUX RESTART (4 CPU) 08:30:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:40:13 12.85 1.92 10.10 0.83 123.49 3313.77 2340.18 08:50:05 42.39 0.79 24.19 17.41 28.57 3135.67 253204.25 Average: 27.40 1.37 17.04 9.00 76.74 3226.04 125912.90 08:30:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:40:13 10603180 13846560 2113996 12.91 130024 3243148 2396092 13.75 550800 4838968 17688 08:50:05 8852916 13204104 2748280 16.79 164824 4237748 2850576 16.36 853300 6186512 311480 Average: 9728048 13525332 2431138 14.85 147424 3740448 2623334 15.06 702050 5512740 164584 08:30:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:40:13 lo 1.11 1.11 0.11 0.11 0.00 0.00 0.00 0.00 08:40:13 ens3 92.93 75.92 620.71 18.14 0.00 0.00 0.00 0.00 08:40:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:05 lo 1612.66 1612.66 1537.45 1537.45 0.00 0.00 0.00 0.00 08:50:05 ens3 92.45 66.96 413.81 18.13 0.00 0.00 0.00 0.00 08:50:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 794.94 794.94 757.39 757.39 0.00 0.00 0.00 0.00 Average: ens3 92.69 71.51 518.79 18.13 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-9001) 04/28/26 _x86_64_ (4 CPU) 08:27:48 LINUX RESTART (4 CPU) 08:30:03 CPU %user %nice %system %iowait %steal %idle 08:40:13 all 57.01 0.00 1.92 0.05 0.13 40.89 08:40:13 0 57.47 0.00 1.81 0.06 0.13 40.53 08:40:13 1 57.39 0.00 1.96 0.06 0.13 40.45 08:40:13 2 55.53 0.00 1.98 0.04 0.13 42.33 08:40:13 3 57.64 0.00 1.94 0.04 0.13 40.24 08:50:05 all 68.03 0.00 2.85 0.08 0.16 28.88 08:50:05 0 66.85 0.00 2.79 0.02 0.15 30.19 08:50:05 1 69.88 0.00 2.86 0.10 0.16 27.00 08:50:05 2 69.28 0.00 2.83 0.07 0.16 27.65 08:50:05 3 66.11 0.00 2.94 0.13 0.16 30.66 Average: all 62.44 0.00 2.38 0.07 0.15 34.97 Average: 0 62.09 0.00 2.29 0.04 0.14 35.44 Average: 1 63.55 0.00 2.40 0.08 0.15 33.83 Average: 2 62.30 0.00 2.40 0.06 0.15 35.11 Average: 3 61.81 0.00 2.43 0.09 0.15 35.52