---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-32855 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 17G 61G 22% / 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 717 11593 4 3678 14929 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:7a:a0:35 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.185/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84258sec preferred_lft 84258sec inet6 fe80::f816:3eff:fe7a:a035/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 4e:75:ac:d1:f0:4c 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 inet6 fe80::4c75:acff:fed1:f04c/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-16g-32855) 07/04/26 _x86_64_ (4 CPU) 11:23:23 LINUX RESTART (4 CPU) 11:30:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:40:01 85.19 24.32 57.78 3.09 352.89 5390.33 4605.08 11:50:11 15.46 0.12 14.58 0.77 4.92 638.36 825.45 Average: 49.78 12.03 35.84 1.91 176.21 2977.48 2685.94 11:30:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:40:01 2307912 5458172 10476908 63.99 266832 2895200 11833132 67.92 2193908 11327088 456 11:50:11 5299392 8553844 7383420 45.09 271448 2994648 8269012 47.46 2231116 8304336 904 Average: 3803652 7006008 8930164 54.54 269140 2944924 10051072 57.69 2212512 9815712 680 11:30:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:40:01 lo 27.32 27.32 20.56 20.56 0.00 0.00 0.00 0.00 11:40:01 ens3 2.23 2.05 0.71 0.61 0.00 0.00 0.00 0.00 11:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:50:11 lo 43.54 43.54 17.85 17.85 0.00 0.00 0.00 0.00 11:50:11 ens3 1.36 1.27 0.33 0.30 0.00 0.00 0.00 0.00 11:50:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 35.55 35.55 19.19 19.19 0.00 0.00 0.00 0.00 Average: ens3 1.79 1.65 0.52 0.45 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-16g-32855) 07/04/26 _x86_64_ (4 CPU) 11:23:23 LINUX RESTART (4 CPU) 11:30:11 CPU %user %nice %system %iowait %steal %idle 11:40:01 all 61.19 0.00 2.10 0.14 0.09 36.47 11:40:01 0 62.59 0.00 2.09 0.13 0.09 35.10 11:40:01 1 60.57 0.00 2.11 0.20 0.10 37.02 11:40:01 2 60.38 0.00 2.25 0.14 0.09 37.14 11:40:01 3 61.23 0.00 1.96 0.08 0.09 36.63 11:50:11 all 31.49 0.00 1.12 0.06 0.10 67.24 11:50:11 0 30.97 0.00 1.07 0.08 0.10 67.79 11:50:11 1 31.79 0.00 1.16 0.08 0.09 66.87 11:50:11 2 31.39 0.00 1.15 0.02 0.09 67.35 11:50:11 3 31.80 0.00 1.08 0.05 0.10 66.96 Average: all 46.11 0.00 1.60 0.10 0.09 52.09 Average: 0 46.54 0.00 1.57 0.10 0.09 51.69 Average: 1 45.95 0.00 1.63 0.14 0.09 52.19 Average: 2 45.66 0.00 1.69 0.08 0.09 52.47 Average: 3 46.29 0.00 1.52 0.07 0.10 52.03