---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-11373 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 11G 68G 14% / 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 668 10587 4 4733 14978 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:3a:32:ee brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.153/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84723sec preferred_lft 84723sec inet6 fe80::f816:3eff:fe3a:32ee/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d6:cb:a3:c7:6e:0d 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-11373) 05/06/26 _x86_64_ (4 CPU) 09:45:40 LINUX RESTART (4 CPU) 09:50:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:00:07 13.72 2.07 10.66 0.99 132.29 3002.01 1964.25 10:10:07 30.71 1.07 25.21 4.43 35.17 4395.27 14474.24 Average: 22.21 1.57 17.94 2.71 83.73 3698.64 8219.25 09:50:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:00:07 10347116 13692636 2267080 13.85 138736 3327276 2711692 15.57 576420 5063076 39244 10:10:07 10913596 15400736 551032 3.37 173208 4352340 1105904 6.35 895056 4077368 26660 Average: 10630356 14546686 1409056 8.61 155972 3839808 1908798 10.96 735738 4570222 32952 09:50:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:00:07 lo 1.29 1.29 0.13 0.13 0.00 0.00 0.00 0.00 10:00:07 ens3 99.07 78.04 593.56 19.78 0.00 0.00 0.00 0.00 10:00:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:10:07 lo 1705.30 1705.30 1623.59 1623.59 0.00 0.00 0.00 0.00 10:10:07 ens3 95.87 74.47 431.47 42.21 0.00 0.00 0.00 0.00 10:10:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 853.29 853.29 811.86 811.86 0.00 0.00 0.00 0.00 Average: ens3 97.47 76.25 512.51 31.00 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-11373) 05/06/26 _x86_64_ (4 CPU) 09:45:40 LINUX RESTART (4 CPU) 09:50:07 CPU %user %nice %system %iowait %steal %idle 10:00:07 all 65.70 0.00 2.07 0.05 0.11 32.07 10:00:07 0 64.62 0.00 2.03 0.05 0.11 33.19 10:00:07 1 66.80 0.00 2.32 0.07 0.12 30.69 10:00:07 2 66.88 0.00 1.89 0.02 0.12 31.09 10:00:07 3 64.50 0.00 2.03 0.05 0.11 33.31 10:10:07 all 65.04 0.00 2.69 0.08 0.11 32.07 10:10:07 0 64.64 0.00 2.60 0.08 0.11 32.57 10:10:07 1 66.53 0.00 2.73 0.11 0.11 30.52 10:10:07 2 64.59 0.00 2.43 0.08 0.11 32.79 10:10:07 3 64.41 0.00 3.01 0.07 0.12 32.41 Average: all 65.37 0.00 2.38 0.07 0.11 32.07 Average: 0 64.63 0.00 2.31 0.07 0.11 32.88 Average: 1 66.66 0.00 2.53 0.09 0.12 30.60 Average: 2 65.74 0.00 2.16 0.05 0.11 31.94 Average: 3 64.45 0.00 2.52 0.06 0.11 32.86