---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-19205 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 12G 66G 16% / 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 689 8769 4 6530 14956 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:25:d7:7f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.76/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84233sec preferred_lft 84233sec inet6 fe80::f816:3eff:fe25:d77f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 52:1c:79:6c:c1:ed 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-19205) 05/23/26 _x86_64_ (4 CPU) 02:24:20 LINUX RESTART (4 CPU) 02:30:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:40:10 21.10 0.07 18.78 2.25 6.65 2176.53 13366.61 02:50:10 31.43 0.03 28.39 3.01 0.39 4419.93 20541.31 03:00:10 13.05 0.23 11.39 1.42 12.47 7495.05 4929.76 Average: 21.86 0.11 19.53 2.23 6.50 4695.35 12951.19 02:30:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:40:10 9041820 12776864 3180352 19.42 139668 3707580 3242800 18.61 713076 6210804 20212 02:50:10 7425460 12166488 3786264 23.12 157184 4650984 3745544 21.50 989936 7497132 128 03:00:10 9018920 15346928 600692 3.67 179224 6166652 1092704 6.27 1336172 5495008 28896 Average: 8495400 13430093 2522436 15.41 158692 4841739 2693683 15.46 1013061 6400981 16412 02:30:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:40:10 lo 1149.81 1149.81 1088.78 1088.78 0.00 0.00 0.00 0.00 02:40:10 ens3 46.27 35.32 45.47 12.37 0.00 0.00 0.00 0.00 02:40:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:50:10 lo 1297.95 1297.95 1232.28 1232.28 0.00 0.00 0.00 0.00 02:50:10 ens3 48.85 36.52 31.07 13.99 0.00 0.00 0.00 0.00 02:50:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:00:10 lo 2566.87 2566.87 9305.16 9305.16 0.00 0.00 0.00 0.00 03:00:10 ens3 43.79 33.87 193.74 11.39 0.00 0.00 0.00 0.00 03:00:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1670.96 1670.96 3871.85 3871.85 0.00 0.00 0.00 0.00 Average: ens3 46.31 35.24 90.03 12.58 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-19205) 05/23/26 _x86_64_ (4 CPU) 02:24:20 LINUX RESTART (4 CPU) 02:30:10 CPU %user %nice %system %iowait %steal %idle 02:40:10 all 66.88 0.00 2.17 0.06 0.11 30.79 02:40:10 0 68.45 0.00 2.18 0.05 0.11 29.21 02:40:10 1 64.77 0.00 1.95 0.07 0.11 33.11 02:40:10 2 68.11 0.00 2.48 0.04 0.11 29.26 02:40:10 3 66.17 0.00 2.07 0.07 0.11 31.58 02:50:10 all 57.60 0.00 2.37 0.13 0.11 39.80 02:50:10 0 59.74 0.00 2.42 0.18 0.11 37.54 02:50:10 1 57.04 0.00 2.33 0.05 0.11 40.48 02:50:10 2 56.54 0.00 2.18 0.18 0.11 40.98 02:50:10 3 57.08 0.00 2.54 0.10 0.11 40.17 03:00:10 all 32.59 0.00 1.38 1.07 0.07 64.88 03:00:10 0 38.11 0.00 1.47 0.49 0.08 59.85 03:00:10 1 27.33 0.00 1.54 0.29 0.08 70.77 03:00:10 2 32.73 0.00 1.24 2.36 0.07 63.60 03:00:10 3 32.19 0.00 1.27 1.15 0.07 65.31 Average: all 52.36 0.00 1.97 0.42 0.10 45.16 Average: 0 55.43 0.00 2.02 0.24 0.10 42.20 Average: 1 49.71 0.00 1.94 0.13 0.10 48.12 Average: 2 52.46 0.00 1.97 0.86 0.10 44.62 Average: 3 51.82 0.00 1.96 0.44 0.10 45.68