---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-28417 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 693 9249 4 6045 14953 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:34:9d:89 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.168/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84472sec preferred_lft 84472sec inet6 fe80::f816:3eff:fe34:9d89/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether e6:5b:d5:eb:b9:07 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-28417) 06/18/26 _x86_64_ (4 CPU) 15:48:01 LINUX RESTART (4 CPU) 15:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:00:01 31.02 4.01 25.15 1.85 782.75 6315.72 10788.09 16:10:15 47.82 0.05 31.06 16.70 1.47 3108.56 242746.49 Average: 39.51 2.01 28.14 9.36 387.85 4694.65 128032.69 15:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:00:01 9331208 13391976 2562896 15.65 158124 3985916 2881028 16.54 900788 5718116 20784 16:10:15 8730540 13361856 2589016 15.81 184508 4483764 2919244 16.76 1060804 6102592 5012 Average: 9030874 13376916 2575956 15.73 171316 4234840 2900136 16.65 980796 5910354 12898 15:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:00:01 lo 641.25 641.25 610.92 610.92 0.00 0.00 0.00 0.00 16:00:01 ens3 123.65 90.50 1088.85 18.94 0.00 0.00 0.00 0.00 16:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:10:15 lo 1524.33 1524.33 1452.97 1452.97 0.00 0.00 0.00 0.00 16:10:15 ens3 49.20 39.41 136.12 11.51 0.00 0.00 0.00 0.00 16:10:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1087.61 1087.61 1036.54 1036.54 0.00 0.00 0.00 0.00 Average: ens3 86.02 64.67 607.28 15.18 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-28417) 06/18/26 _x86_64_ (4 CPU) 15:48:01 LINUX RESTART (4 CPU) 15:50:01 CPU %user %nice %system %iowait %steal %idle 16:00:01 all 54.28 0.00 1.92 0.36 0.09 43.35 16:00:01 0 52.40 0.00 1.80 0.28 0.09 45.43 16:00:01 1 55.12 0.00 1.76 0.19 0.09 42.84 16:00:01 2 55.11 0.00 2.10 0.58 0.09 42.12 16:00:01 3 54.48 0.00 2.02 0.40 0.09 43.01 16:10:15 all 56.86 0.00 2.48 0.14 0.10 40.42 16:10:15 0 57.19 0.00 2.70 0.09 0.10 39.92 16:10:15 1 56.39 0.00 2.32 0.12 0.10 41.07 16:10:15 2 56.00 0.00 2.74 0.24 0.10 40.92 16:10:15 3 57.85 0.00 2.17 0.11 0.09 39.77 Average: all 55.58 0.00 2.20 0.25 0.09 41.87 Average: 0 54.82 0.00 2.25 0.19 0.09 42.65 Average: 1 55.76 0.00 2.04 0.15 0.10 41.95 Average: 2 55.56 0.00 2.43 0.41 0.10 41.51 Average: 3 56.18 0.00 2.10 0.26 0.09 41.37