---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-12088 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 9.8G 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 628 11093 4 4267 15018 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:cb:86:c1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.77/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84616sec preferred_lft 84616sec inet6 fe80::f816:3eff:fecb:86c1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 46:d3:84:15:94:19 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-12088) 05/08/26 _x86_64_ (4 CPU) 22:22:48 LINUX RESTART (4 CPU) 22:30:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:40:07 10.42 1.90 8.25 0.27 123.16 1682.73 553.52 22:50:01 11.18 0.48 9.57 1.12 18.48 2173.33 3133.15 Average: 10.79 1.20 8.90 0.69 71.23 1926.11 1833.26 22:30:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:40:07 11148668 14324696 1637468 10.00 121304 3208360 2004560 11.51 633908 4234960 41912 22:50:01 9604168 13388208 2568276 15.69 150472 3727424 2855708 16.39 791820 5548840 19280 Average: 10376418 13856452 2102872 12.84 135888 3467892 2430134 13.95 712864 4891900 30596 22:30:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:40:07 lo 0.42 0.42 0.04 0.04 0.00 0.00 0.00 0.00 22:40:07 ens3 62.35 50.05 581.68 9.57 0.00 0.00 0.00 0.00 22:40:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:50:01 lo 1.44 1.44 0.14 0.14 0.00 0.00 0.00 0.00 22:50:01 ens3 70.35 55.49 102.62 17.84 0.00 0.00 0.00 0.00 22:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.93 0.93 0.09 0.09 0.00 0.00 0.00 0.00 Average: ens3 66.32 52.75 344.02 13.67 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-12088) 05/08/26 _x86_64_ (4 CPU) 22:22:48 LINUX RESTART (4 CPU) 22:30:04 CPU %user %nice %system %iowait %steal %idle 22:40:07 all 21.66 0.00 0.69 0.03 0.05 77.57 22:40:07 0 21.54 0.00 0.57 0.04 0.04 77.81 22:40:07 1 22.18 0.00 0.75 0.03 0.05 76.99 22:40:07 2 21.72 0.00 0.81 0.02 0.05 77.41 22:40:07 3 21.20 0.00 0.62 0.04 0.05 78.10 22:50:01 all 71.73 0.00 2.27 0.28 0.13 25.58 22:50:01 0 71.43 0.00 2.54 0.33 0.14 25.57 22:50:01 1 72.31 0.00 2.16 0.43 0.13 24.97 22:50:01 2 71.76 0.00 2.27 0.15 0.13 25.69 22:50:01 3 71.43 0.00 2.14 0.20 0.14 26.09 Average: all 46.47 0.00 1.47 0.16 0.09 51.81 Average: 0 46.27 0.00 1.54 0.18 0.09 51.91 Average: 1 47.04 0.00 1.45 0.23 0.09 51.19 Average: 2 46.48 0.00 1.53 0.09 0.09 51.81 Average: 3 46.07 0.00 1.37 0.12 0.09 52.34