---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-28448 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: 5600.00 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 10G 68G 13% / 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 736 10659 4 4593 14910 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:3f:3f:c2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.171/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84715sec preferred_lft 84715sec inet6 fe80::f816:3eff:fe3f:3fc2/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 52:0f:ed:13:b9:25 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-28448) 06/18/26 _x86_64_ (4 CPU) 20:53:21 LINUX RESTART (4 CPU) 21:00:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:10:09 47.03 2.56 37.19 7.28 141.82 4390.08 12760.87 21:20:08 31.30 0.31 25.88 5.12 11.79 3309.07 9367.13 Average: 39.18 1.44 31.54 6.20 76.92 3850.53 11067.00 21:00:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:10:09 10267176 13895024 2062912 12.60 163468 3572908 2218812 12.74 722108 4976156 27280 21:20:08 11019396 15359672 592456 3.62 203972 4188700 1114864 6.40 930252 3932016 76 Average: 10643286 14627348 1327684 8.11 183720 3880804 1666838 9.57 826180 4454086 13678 21:00:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:10:09 lo 4040.68 4040.68 3853.81 3853.81 0.00 0.00 0.00 0.00 21:10:09 ens3 166.11 123.47 781.33 31.73 0.00 0.00 0.00 0.00 21:10:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:20:08 lo 2225.28 2225.28 2104.28 2104.28 0.00 0.00 0.00 0.00 21:20:08 ens3 123.76 115.77 124.19 169.43 0.00 0.00 0.00 0.00 21:20:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3134.58 3134.58 2980.59 2980.59 0.00 0.00 0.00 0.00 Average: ens3 144.97 119.63 453.34 100.46 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-28448) 06/18/26 _x86_64_ (4 CPU) 20:53:21 LINUX RESTART (4 CPU) 21:00:08 CPU %user %nice %system %iowait %steal %idle 21:10:09 all 61.26 0.00 3.67 0.13 0.10 34.84 21:10:09 0 61.63 0.00 3.50 0.10 0.10 34.67 21:10:09 1 60.95 0.00 4.02 0.11 0.11 34.82 21:10:09 2 61.87 0.00 3.63 0.07 0.10 34.33 21:10:09 3 60.58 0.00 3.55 0.24 0.10 35.53 21:20:08 all 39.66 0.00 2.28 0.11 0.08 57.87 21:20:08 0 36.81 0.00 2.30 0.13 0.07 60.69 21:20:08 1 40.32 0.00 2.21 0.09 0.08 57.31 21:20:08 2 40.58 0.00 2.47 0.03 0.08 56.84 21:20:08 3 40.94 0.00 2.15 0.18 0.08 56.65 Average: all 50.46 0.00 2.98 0.12 0.09 46.35 Average: 0 49.22 0.00 2.90 0.11 0.09 47.69 Average: 1 50.64 0.00 3.11 0.10 0.09 46.06 Average: 2 51.24 0.00 3.05 0.05 0.09 45.58 Average: 3 50.76 0.00 2.85 0.21 0.09 46.09