---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-9851 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 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 666 9497 4 5824 14979 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:04:ad:a8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.233/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84729sec preferred_lft 84729sec inet6 fe80::f816:3eff:fe04:ada8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 76:7b:96:c2:04:ab 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-9851) 04/30/26 _x86_64_ (4 CPU) 05:34:21 LINUX RESTART (4 CPU) 05:40:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:50:09 11.36 0.03 9.49 1.84 0.63 823.57 37237.63 06:00:11 46.00 12.02 29.83 4.16 136.81 7950.66 26403.36 Average: 28.75 6.05 19.70 3.01 69.00 4401.65 31798.40 05:40:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:50:09 9520856 12930232 3028516 18.50 126580 3408440 3271512 18.78 664980 5783720 756 06:00:11 6939876 12556880 3390064 20.71 164948 5461460 3462928 19.88 1553860 7339096 42892 Average: 8230366 12743556 3209290 19.60 145764 4434950 3367220 19.33 1109420 6561408 21824 05:40:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:50:09 lo 51.68 51.68 12.56 12.56 0.00 0.00 0.00 0.00 05:50:09 ens3 6.76 6.08 8.05 1.89 0.00 0.00 0.00 0.00 05:50:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:00:11 lo 2073.66 2073.66 1978.83 1978.83 0.00 0.00 0.00 0.00 06:00:11 ens3 51.11 42.62 459.35 8.81 0.00 0.00 0.00 0.00 06:00:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1066.79 1066.79 999.71 999.71 0.00 0.00 0.00 0.00 Average: ens3 29.03 24.43 234.62 5.36 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-9851) 04/30/26 _x86_64_ (4 CPU) 05:34:21 LINUX RESTART (4 CPU) 05:40:12 CPU %user %nice %system %iowait %steal %idle 05:50:09 all 20.47 0.00 0.88 0.05 0.08 78.51 05:50:09 0 20.10 0.00 0.82 0.03 0.08 78.97 05:50:09 1 19.48 0.00 0.82 0.02 0.08 79.60 05:50:09 2 21.08 0.00 1.13 0.11 0.09 77.60 05:50:09 3 21.25 0.00 0.74 0.04 0.08 77.89 06:00:11 all 48.30 0.07 2.38 0.82 0.08 48.34 06:00:11 0 49.15 0.00 2.49 1.27 0.08 47.00 06:00:11 1 46.76 0.01 2.15 0.05 0.09 50.94 06:00:11 2 49.93 0.28 2.61 0.45 0.08 46.65 06:00:11 3 47.35 0.01 2.28 1.51 0.08 48.77 Average: all 34.44 0.04 1.63 0.44 0.08 63.38 Average: 0 34.68 0.00 1.66 0.65 0.08 62.92 Average: 1 33.16 0.01 1.49 0.04 0.08 65.22 Average: 2 35.55 0.14 1.87 0.28 0.08 62.07 Average: 3 34.34 0.01 1.51 0.78 0.08 63.28