---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-20259 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 729 9299 4 5960 14917 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:b4:72:d9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.184/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84502sec preferred_lft 84502sec inet6 fe80::f816:3eff:feb4:72d9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 22:c1:09:e0:34:7d 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-20259) 05/26/26 _x86_64_ (4 CPU) 06:26:31 LINUX RESTART (4 CPU) 06:30:20 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:40:01 28.68 3.29 23.37 2.01 777.26 5532.34 10376.68 06:50:19 33.90 0.06 30.49 3.35 1.63 4766.62 10257.37 Average: 31.37 1.62 27.05 2.70 377.22 5137.41 10315.14 06:30:20 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:40:01 8601748 12852480 3101848 18.94 159804 4166296 3330020 19.11 937564 6380248 172156 06:50:19 7904556 13388280 2559808 15.63 193648 5297476 3117636 17.90 1209992 6743728 325952 Average: 8253152 13120380 2830828 17.29 176726 4731886 3223828 18.50 1073778 6561988 249054 06:30:20 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:40:01 lo 707.66 707.66 673.79 673.79 0.00 0.00 0.00 0.00 06:40:01 ens3 136.74 98.54 1040.32 20.02 0.00 0.00 0.00 0.00 06:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:50:19 lo 1479.25 1479.25 1409.71 1409.71 0.00 0.00 0.00 0.00 06:50:19 ens3 56.46 43.71 208.93 13.85 0.00 0.00 0.00 0.00 06:50:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1105.62 1105.62 1053.35 1053.35 0.00 0.00 0.00 0.00 Average: ens3 95.33 70.26 611.52 16.84 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-20259) 05/26/26 _x86_64_ (4 CPU) 06:26:31 LINUX RESTART (4 CPU) 06:30:20 CPU %user %nice %system %iowait %steal %idle 06:40:01 all 60.36 0.00 2.17 0.16 0.12 37.19 06:40:01 0 60.65 0.00 1.74 0.15 0.11 37.35 06:40:01 1 58.16 0.00 2.23 0.18 0.12 39.31 06:40:01 2 60.48 0.00 2.27 0.10 0.12 37.03 06:40:01 3 62.15 0.00 2.44 0.21 0.12 35.09 06:50:19 all 58.01 0.00 2.55 0.12 0.12 39.21 06:50:19 0 57.29 0.00 2.68 0.15 0.12 39.77 06:50:19 1 56.49 0.00 2.54 0.08 0.12 40.78 06:50:19 2 58.78 0.00 2.55 0.19 0.12 38.37 06:50:19 3 59.47 0.00 2.42 0.08 0.12 37.91 Average: all 59.15 0.00 2.36 0.14 0.12 38.23 Average: 0 58.92 0.00 2.23 0.15 0.12 38.60 Average: 1 57.30 0.00 2.39 0.13 0.12 40.07 Average: 2 59.60 0.00 2.41 0.15 0.12 37.72 Average: 3 60.77 0.00 2.43 0.14 0.12 36.54