---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-16837 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 68G 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 664 10593 4 4731 14982 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:04:bf:dc brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.98/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84827sec preferred_lft 84827sec inet6 fe80::f816:3eff:fe04:bfdc/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ee:67:99:a1:3b:54 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-16837) 05/19/26 _x86_64_ (4 CPU) 15:28:21 LINUX RESTART (4 CPU) 15:30:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:40:09 19.34 2.96 15.19 1.19 168.81 4252.39 2476.72 15:50:08 28.55 0.78 23.52 4.25 24.23 4063.37 4665.36 Average: 23.94 1.87 19.36 2.72 96.54 4157.91 3570.67 15:30:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:40:09 10817068 14117832 1842160 11.25 135688 3291964 2104740 12.08 566672 4605768 13684 15:50:08 10954748 15429344 522896 3.19 171720 4342992 1054528 6.05 894312 4033824 91768 Average: 10885908 14773588 1182528 7.22 153704 3817478 1579634 9.07 730492 4319796 52726 15:30:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:40:09 lo 1.35 1.35 0.13 0.13 0.00 0.00 0.00 0.00 15:40:09 ens3 112.51 86.85 700.43 20.58 0.00 0.00 0.00 0.00 15:40:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:50:08 lo 1703.84 1703.84 1624.16 1624.16 0.00 0.00 0.00 0.00 15:50:08 ens3 80.20 61.28 426.07 16.77 0.00 0.00 0.00 0.00 15:50:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 852.31 852.31 811.88 811.88 0.00 0.00 0.00 0.00 Average: ens3 96.36 74.07 563.29 18.68 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-16837) 05/19/26 _x86_64_ (4 CPU) 15:28:21 LINUX RESTART (4 CPU) 15:30:09 CPU %user %nice %system %iowait %steal %idle 15:40:09 all 67.24 0.00 2.33 0.07 0.12 30.24 15:40:09 0 65.31 0.00 2.23 0.04 0.12 32.31 15:40:09 1 68.45 0.00 2.34 0.11 0.12 28.98 15:40:09 2 66.91 0.00 2.66 0.06 0.12 30.26 15:40:09 3 68.29 0.00 2.09 0.08 0.13 29.41 15:50:08 all 68.80 0.00 2.91 0.07 0.11 28.12 15:50:08 0 71.26 0.00 2.86 0.05 0.11 25.72 15:50:08 1 65.83 0.00 2.76 0.12 0.11 31.18 15:50:08 2 69.75 0.00 3.08 0.08 0.11 26.99 15:50:08 3 68.34 0.00 2.93 0.03 0.11 28.59 Average: all 68.02 0.00 2.62 0.07 0.12 29.18 Average: 0 68.28 0.00 2.54 0.04 0.12 29.01 Average: 1 67.14 0.00 2.55 0.11 0.11 30.08 Average: 2 68.33 0.00 2.87 0.07 0.11 28.62 Average: 3 68.32 0.00 2.51 0.06 0.12 29.00