---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-31626 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 663 10150 4 5174 14983 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:1a:4c:b9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.246/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84888sec preferred_lft 84888sec inet6 fe80::f816:3eff:fe1a:4cb9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d6:53:21:31:23:e0 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-31626) 06/29/26 _x86_64_ (4 CPU) 11:39:18 LINUX RESTART (4 CPU) 11:40:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:50:01 24.07 3.50 19.53 1.04 579.00 4752.03 7937.21 12:00:02 10.48 0.52 9.40 0.56 19.00 1843.74 1633.90 Average: 17.24 2.00 14.44 0.80 297.47 3289.90 4768.25 11:40:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:50:01 9515208 12789052 3173092 19.38 117144 3311840 3362376 19.30 627356 5850716 484 12:00:02 8754164 12765256 3192104 19.50 135864 3989336 3389340 19.45 834508 6390948 262900 Average: 9134686 12777154 3182598 19.44 126504 3650588 3375858 19.38 730932 6120832 131692 11:40:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:50:01 lo 0.59 0.59 0.06 0.06 0.00 0.00 0.00 0.00 11:50:01 ens3 92.70 73.99 1002.03 11.35 0.00 0.00 0.00 0.00 11:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:00:02 lo 216.38 216.38 205.76 205.76 0.00 0.00 0.00 0.00 12:00:02 ens3 40.03 28.98 451.48 4.14 0.00 0.00 0.00 0.00 12:00:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 109.07 109.07 103.47 103.47 0.00 0.00 0.00 0.00 Average: ens3 66.22 51.36 725.24 7.73 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-31626) 06/29/26 _x86_64_ (4 CPU) 11:39:18 LINUX RESTART (4 CPU) 11:40:07 CPU %user %nice %system %iowait %steal %idle 11:50:01 all 49.35 0.00 1.23 0.26 0.08 49.08 11:50:01 0 54.17 0.00 1.11 0.12 0.08 44.52 11:50:01 1 48.09 0.00 1.19 0.56 0.08 50.08 11:50:01 2 47.36 0.00 1.77 0.31 0.09 50.47 11:50:01 3 47.79 0.00 0.87 0.03 0.07 51.23 12:00:02 all 51.00 0.00 0.95 0.05 0.08 47.93 12:00:02 0 48.71 0.00 0.87 0.04 0.09 50.29 12:00:02 1 57.08 0.00 1.10 0.07 0.09 41.66 12:00:02 2 57.08 0.00 0.90 0.04 0.08 41.89 12:00:02 3 41.15 0.00 0.90 0.03 0.07 57.84 Average: all 50.18 0.00 1.09 0.15 0.08 48.50 Average: 0 51.42 0.00 0.99 0.08 0.09 47.42 Average: 1 52.61 0.00 1.14 0.31 0.08 45.85 Average: 2 52.25 0.00 1.33 0.18 0.08 46.15 Average: 3 44.45 0.00 0.89 0.03 0.07 54.56