---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-25147 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 67G 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 657 10243 4 5088 14990 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:50:c2:a7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.247/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84838sec preferred_lft 84838sec inet6 fe80::f816:3eff:fe50:c2a7/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether e2:9d:88:dc:a2:71 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-25147) 06/05/26 _x86_64_ (4 CPU) 15:26:39 LINUX RESTART (4 CPU) 15:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:40:07 6.04 0.44 5.26 0.34 228.61 945.52 366.79 15:50:07 19.74 0.52 17.70 1.52 19.03 2573.59 15642.20 Average: 12.86 0.48 11.45 0.93 124.36 1755.32 7964.80 15:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:40:07 10560800 13782452 2179944 13.31 116600 3258256 2527728 14.51 559688 4885480 21760 15:50:07 9919364 13603508 2354552 14.38 137236 3670688 2539464 14.58 749908 5285784 14232 Average: 10240082 13692980 2267248 13.85 126918 3464472 2533596 14.54 654798 5085632 17996 15:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:40:07 lo 0.64 0.64 0.38 0.38 0.00 0.00 0.00 0.00 15:40:07 ens3 45.02 31.52 144.87 5.26 0.00 0.00 0.00 0.00 15:40:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:50:07 lo 505.15 505.15 480.95 480.95 0.00 0.00 0.00 0.00 15:50:07 ens3 44.77 30.79 453.08 5.02 0.00 0.00 0.00 0.00 15:50:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 251.58 251.58 239.41 239.41 0.00 0.00 0.00 0.00 Average: ens3 44.90 31.16 298.17 5.14 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-25147) 06/05/26 _x86_64_ (4 CPU) 15:26:39 LINUX RESTART (4 CPU) 15:30:01 CPU %user %nice %system %iowait %steal %idle 15:40:07 all 48.95 0.00 0.77 0.06 0.08 50.14 15:40:07 0 54.19 0.00 0.72 0.03 0.09 44.98 15:40:07 1 48.78 0.00 0.82 0.08 0.09 50.23 15:40:07 2 42.78 0.00 0.66 0.05 0.08 56.43 15:40:07 3 50.06 0.00 0.89 0.06 0.08 48.91 15:50:07 all 61.37 0.00 1.44 0.06 0.11 37.03 15:50:07 0 56.43 0.00 1.40 0.07 0.11 41.99 15:50:07 1 64.69 0.00 1.56 0.04 0.11 33.60 15:50:07 2 71.25 0.00 1.29 0.04 0.11 27.31 15:50:07 3 53.12 0.00 1.51 0.07 0.10 45.20 Average: all 55.13 0.00 1.10 0.06 0.09 43.62 Average: 0 55.30 0.00 1.06 0.05 0.10 43.49 Average: 1 56.68 0.00 1.18 0.06 0.10 41.97 Average: 2 56.95 0.00 0.98 0.04 0.09 41.94 Average: 3 51.58 0.00 1.20 0.07 0.09 47.07