---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-7889 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 707 9952 4 5329 14939 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:41:58:d5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.162/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84808sec preferred_lft 84808sec inet6 fe80::f816:3eff:fe41:58d5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 42:25:dc:e7:95:5b 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-7889) 04/25/26 _x86_64_ (4 CPU) 02:46:50 LINUX RESTART (4 CPU) 02:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:00:23 41.75 0.58 25.51 15.65 19.92 3888.59 239505.53 03:10:41 29.12 0.05 26.17 2.91 1.57 5882.38 16337.06 Average: 35.45 0.31 25.84 9.30 10.77 4882.65 128239.05 02:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:00:23 9586524 13371628 2584004 15.78 153776 3725264 2755832 15.82 741264 5612844 10584 03:10:41 7505792 12701304 3247756 19.84 179092 5038520 3391420 19.47 1037376 7341024 34904 Average: 8546158 13036466 2915880 17.81 166434 4381892 3073626 17.64 889320 6476934 22744 02:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:00:23 lo 1269.16 1269.16 1209.37 1209.37 0.00 0.00 0.00 0.00 03:00:23 ens3 58.08 42.87 394.48 9.92 0.00 0.00 0.00 0.00 03:00:23 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:10:41 lo 879.26 879.26 837.52 837.52 0.00 0.00 0.00 0.00 03:10:41 ens3 53.46 39.15 223.94 9.19 0.00 0.00 0.00 0.00 03:10:41 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1074.77 1074.77 1023.97 1023.97 0.00 0.00 0.00 0.00 Average: ens3 55.77 41.02 309.45 9.55 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-7889) 04/25/26 _x86_64_ (4 CPU) 02:46:50 LINUX RESTART (4 CPU) 02:50:01 CPU %user %nice %system %iowait %steal %idle 03:00:23 all 63.95 0.00 2.38 0.06 0.09 33.51 03:00:23 0 64.85 0.00 2.37 0.03 0.09 32.65 03:00:23 1 62.56 0.00 2.62 0.06 0.09 34.67 03:00:23 2 64.05 0.00 2.09 0.04 0.09 33.72 03:00:23 3 64.34 0.00 2.45 0.11 0.09 33.01 03:10:41 all 59.95 0.00 2.18 0.14 0.10 37.62 03:10:41 0 59.70 0.00 2.03 0.10 0.10 38.07 03:10:41 1 61.53 0.00 2.30 0.04 0.09 36.03 03:10:41 2 61.69 0.00 2.32 0.38 0.10 35.51 03:10:41 3 56.88 0.00 2.08 0.05 0.10 40.89 Average: all 61.96 0.00 2.28 0.10 0.10 35.56 Average: 0 62.28 0.00 2.20 0.07 0.10 35.35 Average: 1 62.05 0.00 2.46 0.05 0.09 35.35 Average: 2 62.88 0.00 2.20 0.21 0.10 34.61 Average: 3 60.62 0.00 2.27 0.08 0.09 36.94