---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-672 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 9.9G 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 692 10927 4 4368 14953 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:40:3f:93 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.50/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84714sec preferred_lft 84714sec inet6 fe80::f816:3eff:fe40:3f93/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 46:97:4c:4c:a4:ca 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-672) 07/30/26 _x86_64_ (4 CPU) 20:53:16 LINUX RESTART (4 CPU) 21:00:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:10:01 47.52 2.53 37.47 7.52 142.12 4470.44 5126.26 21:20:08 28.39 0.15 22.94 5.29 9.80 3090.31 4914.24 Average: 37.86 1.33 30.13 6.39 75.31 3773.55 5019.20 21:00:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:10:01 10343304 13881404 2076820 12.68 160412 3481708 2580856 14.81 593240 5026204 130288 21:20:08 11275568 15385672 567540 3.47 197196 3969936 1109220 6.37 783772 3824700 76 Average: 10809436 14633538 1322180 8.08 178804 3725822 1845038 10.59 688506 4425452 65182 21:00:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:10:01 lo 4002.04 4002.04 3815.03 3815.03 0.00 0.00 0.00 0.00 21:10:01 ens3 164.78 119.77 780.48 31.45 0.00 0.00 0.00 0.00 21:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:20:08 lo 2085.45 2085.45 1971.02 1971.02 0.00 0.00 0.00 0.00 21:20:08 ens3 109.64 107.51 128.69 166.66 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 3034.27 3034.27 2883.91 2883.91 0.00 0.00 0.00 0.00 Average: ens3 136.94 113.58 451.36 99.72 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-672) 07/30/26 _x86_64_ (4 CPU) 20:53:16 LINUX RESTART (4 CPU) 21:00:06 CPU %user %nice %system %iowait %steal %idle 21:10:01 all 65.72 0.00 3.91 0.11 0.12 30.14 21:10:01 0 64.91 0.00 3.90 0.08 0.13 30.99 21:10:01 1 66.67 0.00 3.77 0.12 0.12 29.33 21:10:01 2 65.85 0.00 4.00 0.14 0.12 29.89 21:10:01 3 65.45 0.00 3.98 0.10 0.12 30.35 21:20:08 all 38.51 0.00 2.17 0.07 0.08 59.17 21:20:08 0 33.79 0.00 2.10 0.05 0.08 63.98 21:20:08 1 41.73 0.00 2.22 0.03 0.09 55.93 21:20:08 2 35.09 0.00 1.98 0.14 0.08 62.72 21:20:08 3 43.43 0.00 2.39 0.06 0.09 54.01 Average: all 51.96 0.00 3.03 0.09 0.10 44.82 Average: 0 49.15 0.00 2.99 0.07 0.10 47.69 Average: 1 54.06 0.00 2.98 0.08 0.10 42.77 Average: 2 50.29 0.00 2.98 0.14 0.10 46.50 Average: 3 54.33 0.00 3.18 0.08 0.11 42.31