---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-22365 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 696 10393 4 4900 14950 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:24:d6:4d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.99/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84776sec preferred_lft 84776sec inet6 fe80::f816:3eff:fe24:d64d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 4e:60:e5:e6:f7:8d 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-22365) 06/01/26 _x86_64_ (4 CPU) 23:18:39 LINUX RESTART (4 CPU) 23:20:21 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 23:30:21 20.49 2.90 16.47 1.12 164.28 4255.55 2906.13 23:40:14 26.86 0.80 22.50 3.56 28.47 3285.12 3828.57 Average: 23.66 1.85 19.47 2.33 96.76 3773.09 3364.74 23:20:21 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:30:21 10740420 14120184 1839340 11.23 130876 3374812 2197176 12.61 575604 4669532 22448 23:40:14 8417616 12940668 3010256 18.39 167532 4398036 3377060 19.38 883640 6580132 301424 Average: 9579018 13530426 2424798 14.81 149204 3886424 2787118 16.00 729622 5624832 161936 23:20:21 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 23:30:21 lo 1.12 1.12 0.11 0.11 0.00 0.00 0.00 0.00 23:30:21 ens3 92.19 74.06 774.92 17.39 0.00 0.00 0.00 0.00 23:30:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:40:14 lo 1618.01 1618.01 1542.67 1542.67 0.00 0.00 0.00 0.00 23:40:14 ens3 85.12 63.50 418.23 18.23 0.00 0.00 0.00 0.00 23:40:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 804.98 804.98 767.02 767.02 0.00 0.00 0.00 0.00 Average: ens3 88.67 68.81 597.59 17.81 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-22365) 06/01/26 _x86_64_ (4 CPU) 23:18:39 LINUX RESTART (4 CPU) 23:20:21 CPU %user %nice %system %iowait %steal %idle 23:30:21 all 49.84 0.00 1.75 0.07 0.08 48.27 23:30:21 0 48.05 0.00 1.85 0.04 0.08 49.98 23:30:21 1 49.04 0.00 1.66 0.06 0.08 49.15 23:30:21 2 51.52 0.00 1.61 0.11 0.08 46.68 23:30:21 3 50.73 0.00 1.85 0.07 0.08 47.27 23:40:14 all 68.41 0.00 2.75 0.06 0.10 28.69 23:40:14 0 68.35 0.00 2.67 0.07 0.10 28.82 23:40:14 1 67.18 0.00 2.41 0.05 0.10 30.27 23:40:14 2 70.17 0.00 3.43 0.04 0.09 26.26 23:40:14 3 67.93 0.00 2.47 0.09 0.09 29.42 Average: all 59.07 0.00 2.24 0.07 0.09 38.54 Average: 0 58.14 0.00 2.26 0.06 0.09 39.46 Average: 1 58.05 0.00 2.03 0.05 0.09 39.77 Average: 2 60.79 0.00 2.52 0.08 0.08 36.53 Average: 3 59.28 0.00 2.16 0.08 0.08 38.39