---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-5800 5.15.0-164-generic #174-Ubuntu SMP Fri Nov 14 20:25:16 UTC 2025 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 699 9722 4 5567 14947 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:36:10:1f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.186/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84425sec preferred_lft 84425sec inet6 fe80::f816:3eff:fe36:101f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8a:90:06:30:f7:eb 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-4g-5800) 01/29/26 _x86_64_ (4 CPU) 20:46:21 LINUX RESTART (4 CPU) 20:50:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:00:01 22.96 2.92 18.59 1.46 359.81 5097.19 4527.10 21:10:26 48.51 0.05 31.16 17.31 1.52 2988.62 288098.34 Average: 36.10 1.44 25.05 9.61 175.60 4013.08 150323.36 20:50:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:00:01 8817088 12829444 3124664 19.08 163172 3922096 3420660 19.63 823800 6274972 215920 21:10:26 8940408 13443216 2507780 15.32 180188 4366572 2782024 15.97 952252 5995816 301088 Average: 8878748 13136330 2816222 17.20 171680 4144334 3101342 17.80 888026 6135394 258504 20:50:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:00:01 lo 375.07 375.07 356.20 356.20 0.00 0.00 0.00 0.00 21:00:01 ens3 91.52 70.43 784.08 16.44 0.00 0.00 0.00 0.00 21:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:10:26 lo 1666.09 1666.09 1587.67 1587.67 0.00 0.00 0.00 0.00 21:10:26 ens3 52.22 40.12 218.92 13.64 0.00 0.00 0.00 0.00 21:10:26 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1038.84 1038.84 989.35 989.35 0.00 0.00 0.00 0.00 Average: ens3 71.31 54.84 493.51 15.00 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-4g-5800) 01/29/26 _x86_64_ (4 CPU) 20:46:21 LINUX RESTART (4 CPU) 20:50:10 CPU %user %nice %system %iowait %steal %idle 21:00:01 all 55.02 0.00 1.93 0.40 0.12 42.54 21:00:01 0 55.06 0.00 1.62 0.23 0.12 42.97 21:00:01 1 56.29 0.00 2.29 0.42 0.12 40.88 21:00:01 2 54.72 0.00 1.67 0.59 0.12 42.90 21:00:01 3 54.02 0.00 2.12 0.34 0.12 43.40 21:10:26 all 58.10 0.00 2.65 1.42 0.13 37.70 21:10:26 0 56.97 0.00 2.29 1.84 0.13 38.77 21:10:26 1 57.53 0.00 2.82 2.06 0.13 37.47 21:10:26 2 59.57 0.00 2.77 1.21 0.13 36.33 21:10:26 3 58.34 0.00 2.72 0.59 0.13 38.23 Average: all 56.61 0.00 2.30 0.92 0.12 40.05 Average: 0 56.05 0.00 1.97 1.05 0.12 40.81 Average: 1 56.93 0.00 2.56 1.26 0.12 39.13 Average: 2 57.21 0.00 2.24 0.91 0.12 39.52 Average: 3 56.24 0.00 2.43 0.47 0.12 40.74