---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-23623 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 12G 67G 15% / 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 741 9507 4 5741 14905 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:6a:b4:61 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.63/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84430sec preferred_lft 84430sec inet6 fe80::f816:3eff:fe6a:b461/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 82:8b:97:55:97:ab 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-23623) 06/04/26 _x86_64_ (4 CPU) 06:26:59 LINUX RESTART (4 CPU) 06:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:40:21 22.14 2.78 17.82 1.54 343.02 4605.18 3300.41 06:50:01 48.94 0.05 31.08 17.81 1.52 3281.63 256672.00 Average: 35.09 1.46 24.23 9.40 177.95 3965.42 125770.49 06:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:40:21 9417032 13248016 2708200 16.54 155256 3763240 3042608 17.46 757152 5779136 20732 06:50:01 8393764 12777684 3173948 19.39 181912 4244580 3351820 19.24 910664 6590648 6108 Average: 8905398 13012850 2941074 17.96 168584 4003910 3197214 18.35 833908 6184892 13420 06:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:40:21 lo 574.34 574.34 547.29 547.29 0.00 0.00 0.00 0.00 06:40:21 ens3 103.59 81.29 865.39 17.41 0.00 0.00 0.00 0.00 06:40:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:50:01 lo 1691.10 1691.10 1612.26 1612.26 0.00 0.00 0.00 0.00 06:50:01 ens3 48.90 37.85 122.20 12.18 0.00 0.00 0.00 0.00 06:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1114.14 1114.14 1062.05 1062.05 0.00 0.00 0.00 0.00 Average: ens3 77.16 60.29 506.16 14.88 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-23623) 06/04/26 _x86_64_ (4 CPU) 06:26:59 LINUX RESTART (4 CPU) 06:30:01 CPU %user %nice %system %iowait %steal %idle 06:40:21 all 50.61 0.00 1.71 0.07 0.08 47.52 06:40:21 0 50.06 0.00 2.00 0.10 0.08 47.76 06:40:21 1 49.94 0.00 1.48 0.03 0.08 48.47 06:40:21 2 51.03 0.00 1.63 0.08 0.08 47.18 06:40:21 3 51.43 0.00 1.74 0.09 0.08 46.66 06:50:01 all 58.81 0.00 2.51 0.08 0.09 38.50 06:50:01 0 60.85 0.00 2.76 0.09 0.09 36.20 06:50:01 1 59.10 0.00 2.32 0.05 0.09 38.44 06:50:01 2 56.82 0.00 2.35 0.11 0.09 40.63 06:50:01 3 58.49 0.00 2.62 0.06 0.09 38.74 Average: all 54.57 0.00 2.10 0.08 0.09 43.17 Average: 0 55.27 0.00 2.37 0.10 0.09 42.18 Average: 1 54.35 0.00 1.89 0.04 0.08 43.63 Average: 2 53.83 0.00 1.98 0.09 0.09 44.01 Average: 3 54.84 0.00 2.17 0.07 0.09 42.84