---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-19294 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 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 633 10426 4 4929 15013 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:b8:56:a8 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 84676sec preferred_lft 84676sec inet6 fe80::f816:3eff:feb8:56a8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b6:db:9f:04:dd:91 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-19294) 05/23/26 _x86_64_ (4 CPU) 09:56:23 LINUX RESTART (4 CPU) 10:00:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:10:01 21.30 0.38 7.12 13.80 31.87 1473.20 241589.82 10:20:13 8.79 0.51 7.79 0.49 18.93 1517.64 1604.74 Average: 14.96 0.45 7.46 7.05 25.31 1495.73 119911.52 10:00:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:10:01 8802076 11952780 4009432 24.49 115972 3193000 4162008 23.89 530640 6688004 1096 10:20:13 8787696 12462552 3496288 21.35 133816 3667960 3794280 21.78 665924 6531168 120880 Average: 8794886 12207666 3752860 22.92 124894 3430480 3978144 22.83 598282 6609586 60988 10:00:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:10:01 lo 0.67 0.67 0.38 0.38 0.00 0.00 0.00 0.00 10:10:01 ens3 20.35 15.57 167.68 2.99 0.00 0.00 0.00 0.00 10:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:13 lo 212.25 212.25 202.12 202.12 0.00 0.00 0.00 0.00 10:20:13 ens3 34.95 25.77 404.37 3.39 0.00 0.00 0.00 0.00 10:20:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 107.95 107.95 102.67 102.67 0.00 0.00 0.00 0.00 Average: ens3 27.76 20.74 287.69 3.19 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-19294) 05/23/26 _x86_64_ (4 CPU) 09:56:23 LINUX RESTART (4 CPU) 10:00:05 CPU %user %nice %system %iowait %steal %idle 10:10:01 all 51.11 0.00 0.86 0.10 0.09 47.84 10:10:01 0 44.19 0.00 0.90 0.11 0.08 54.71 10:10:01 1 64.15 0.00 1.03 0.02 0.09 34.71 10:10:01 2 52.61 0.00 0.81 0.17 0.09 46.32 10:10:01 3 43.49 0.00 0.70 0.11 0.08 55.62 10:20:13 all 51.26 0.00 0.83 0.04 0.08 47.78 10:20:13 0 63.29 0.00 1.10 0.04 0.09 35.48 10:20:13 1 38.83 0.00 0.76 0.02 0.07 60.31 10:20:13 2 64.28 0.00 0.64 0.06 0.09 34.92 10:20:13 3 38.69 0.00 0.81 0.04 0.07 60.38 Average: all 51.19 0.00 0.84 0.07 0.09 47.81 Average: 0 53.87 0.00 1.00 0.07 0.09 44.97 Average: 1 51.31 0.00 0.89 0.02 0.08 47.70 Average: 2 58.52 0.00 0.73 0.12 0.09 40.55 Average: 3 41.06 0.00 0.76 0.07 0.08 58.03