---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-9550 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 665 9460 4 5862 14980 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:85:a5:8b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.6/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84596sec preferred_lft 84596sec inet6 fe80::f816:3eff:fe85:a58b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 6a:3c:31:0d:58:f7 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-9550) 04/29/26 _x86_64_ (4 CPU) 05:12:31 LINUX RESTART (4 CPU) 05:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:30:02 11.18 0.01 9.23 1.93 0.25 689.22 30430.28 05:40:00 55.99 0.60 35.91 19.47 20.16 8518.66 266078.96 Average: 33.53 0.31 22.54 10.68 10.18 4594.63 147974.50 05:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:30:02 9499884 12987400 2971584 18.15 131292 3473300 3258888 18.71 684820 5804340 47256 05:40:00 9744620 15390804 557072 3.40 170880 5491152 1095376 6.29 1567132 4548404 32684 Average: 9622252 14189102 1764328 10.78 151086 4482226 2177132 12.50 1125976 5176372 39970 05:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:30:02 lo 55.60 55.60 13.86 13.86 0.00 0.00 0.00 0.00 05:30:02 ens3 6.22 5.64 4.47 1.86 0.00 0.00 0.00 0.00 05:30:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:40:00 lo 2591.60 2591.60 2490.15 2490.15 0.00 0.00 0.00 0.00 05:40:00 ens3 89.15 67.21 472.54 27.21 0.00 0.00 0.00 0.00 05:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1320.58 1320.58 1249.06 1249.06 0.00 0.00 0.00 0.00 Average: ens3 47.59 36.35 237.95 14.50 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-9550) 04/29/26 _x86_64_ (4 CPU) 05:12:31 LINUX RESTART (4 CPU) 05:20:01 CPU %user %nice %system %iowait %steal %idle 05:30:02 all 16.83 0.00 0.82 0.06 0.08 82.21 05:30:02 0 16.01 0.00 0.92 0.08 0.08 82.92 05:30:02 1 17.11 0.00 0.80 0.04 0.08 81.98 05:30:02 2 17.24 0.00 0.81 0.07 0.08 81.81 05:30:02 3 16.96 0.00 0.77 0.07 0.08 82.12 05:40:00 all 52.12 0.00 2.70 0.14 0.09 44.95 05:40:00 0 49.63 0.00 2.68 0.23 0.09 47.37 05:40:00 1 52.25 0.00 2.84 0.07 0.09 44.75 05:40:00 2 52.25 0.00 2.82 0.10 0.09 44.75 05:40:00 3 54.36 0.00 2.47 0.17 0.09 42.92 Average: all 34.42 0.00 1.76 0.10 0.08 63.63 Average: 0 32.79 0.00 1.80 0.15 0.08 65.18 Average: 1 34.63 0.00 1.81 0.06 0.08 63.42 Average: 2 34.68 0.00 1.81 0.08 0.08 63.34 Average: 3 35.59 0.00 1.62 0.12 0.08 62.59