---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-433 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 622 10275 4 5091 15024 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:43:ce:50 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.18/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84763sec preferred_lft 84763sec inet6 fe80::f816:3eff:fe43:ce50/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2a:9f:6b:84:0e:a0 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-433) 07/30/26 _x86_64_ (4 CPU) 00:25:25 LINUX RESTART (4 CPU) 00:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:18 5.63 0.31 5.00 0.32 209.59 898.01 298.57 00:50:07 19.85 0.53 17.86 1.46 19.63 2534.22 12579.64 Average: 12.58 0.42 11.28 0.88 116.79 1697.34 6298.16 00:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:18 10329588 13576092 2385920 14.57 117432 3279964 2793180 16.03 568128 5127120 30000 00:50:07 8866844 12830044 3127236 19.10 137684 3938660 3369008 19.34 791540 6321620 264720 Average: 9598216 13203068 2756578 16.84 127558 3609312 3081094 17.69 679834 5724370 147360 00:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:18 lo 0.60 0.60 0.37 0.37 0.00 0.00 0.00 0.00 00:40:18 ens3 16.53 11.76 92.94 3.03 0.00 0.00 0.00 0.00 00:40:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:07 lo 505.56 505.56 481.75 481.75 0.00 0.00 0.00 0.00 00:50:07 ens3 42.67 29.26 451.62 5.13 0.00 0.00 0.00 0.00 00:50:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 247.28 247.28 235.53 235.53 0.00 0.00 0.00 0.00 Average: ens3 29.30 20.30 268.16 4.06 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-433) 07/30/26 _x86_64_ (4 CPU) 00:25:25 LINUX RESTART (4 CPU) 00:30:01 CPU %user %nice %system %iowait %steal %idle 00:40:18 all 46.44 0.00 0.72 0.11 0.08 52.64 00:40:18 0 49.01 0.00 0.67 0.05 0.08 50.19 00:40:18 1 46.80 0.00 0.84 0.25 0.08 52.02 00:40:18 2 50.92 0.00 0.70 0.07 0.08 48.22 00:40:18 3 39.04 0.00 0.69 0.08 0.08 60.12 00:50:07 all 56.61 0.00 1.34 0.20 0.10 41.76 00:50:07 0 70.29 0.00 1.24 0.15 0.10 28.22 00:50:07 1 47.87 0.00 1.30 0.45 0.09 50.28 00:50:07 2 58.40 0.00 1.39 0.08 0.09 40.04 00:50:07 3 49.90 0.00 1.41 0.11 0.10 48.49 Average: all 51.41 0.00 1.02 0.15 0.09 47.33 Average: 0 59.40 0.00 0.95 0.10 0.09 39.47 Average: 1 47.33 0.00 1.06 0.35 0.09 51.17 Average: 2 54.58 0.00 1.04 0.08 0.09 44.22 Average: 3 44.34 0.00 1.04 0.09 0.09 54.45