---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-16906 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 781 9412 4 5795 14865 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:71:7c:65 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.24/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83404sec preferred_lft 83404sec inet6 fe80::f816:3eff:fe71:7c65/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fe:36:62:97:96:f9 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-16906) 05/19/26 _x86_64_ (4 CPU) 20:10:24 LINUX RESTART (4 CPU) 20:20:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:30:01 57.04 16.61 39.45 0.98 404.96 4401.41 1365.25 20:40:12 50.72 0.43 32.01 18.28 13.83 4394.24 249497.61 20:50:14 50.31 0.00 40.37 9.94 0.00 2942.60 22575.59 21:00:15 20.53 0.32 17.15 3.06 14.39 3745.45 4414.94 Average: 44.61 4.26 32.20 8.15 106.25 3869.98 70568.23 20:20:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:30:01 10738288 13784684 2177480 13.30 127752 3058752 2581784 14.82 540904 4731872 26804 20:40:12 9279564 13444864 2507140 15.31 187592 4020016 2720224 15.61 801584 5798968 17832 20:50:14 8264656 13007960 2939300 17.95 220580 4514404 3152968 18.10 927760 6648616 129140 21:00:15 9644660 15221512 722700 4.41 242200 5285792 1208888 6.94 1280700 4856852 12492 Average: 9481792 13864755 2086655 12.74 194531 4219741 2415966 13.87 887737 5509077 46567 20:20:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:30:01 lo 0.75 0.75 0.07 0.07 0.00 0.00 0.00 0.00 20:30:01 ens3 105.45 83.97 813.12 18.70 0.00 0.00 0.00 0.00 20:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:40:12 lo 2315.55 2315.55 2207.83 2207.83 0.00 0.00 0.00 0.00 20:40:12 ens3 89.37 67.99 320.38 20.92 0.00 0.00 0.00 0.00 20:40:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:14 lo 5102.90 5102.90 4865.34 4865.34 0.00 0.00 0.00 0.00 20:50:14 ens3 64.27 48.36 21.14 18.80 0.00 0.00 0.00 0.00 20:50:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:15 lo 856.25 856.25 790.09 790.09 0.00 0.00 0.00 0.00 21:00:15 ens3 139.61 146.93 132.46 598.40 0.00 0.00 0.00 0.00 21:00:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2081.79 2081.79 1978.15 1978.15 0.00 0.00 0.00 0.00 Average: ens3 99.60 86.74 319.00 164.41 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-16906) 05/19/26 _x86_64_ (4 CPU) 20:10:24 LINUX RESTART (4 CPU) 20:20:12 CPU %user %nice %system %iowait %steal %idle 20:30:01 all 33.40 0.08 1.33 0.35 0.07 64.77 20:30:01 0 33.71 0.11 1.28 0.19 0.07 64.65 20:30:01 1 34.88 0.00 1.36 0.21 0.07 63.48 20:30:01 2 32.69 0.20 1.37 0.90 0.06 64.78 20:30:01 3 32.32 0.00 1.32 0.11 0.06 66.19 20:40:12 all 64.80 0.00 3.16 0.08 0.11 31.85 20:40:12 0 64.91 0.00 3.19 0.11 0.11 31.69 20:40:12 1 66.29 0.00 3.08 0.06 0.10 30.47 20:40:12 2 63.27 0.00 3.40 0.09 0.11 33.13 20:40:12 3 64.73 0.00 2.98 0.08 0.11 32.10 20:50:14 all 63.38 0.00 4.06 0.10 0.10 32.36 20:50:14 0 62.54 0.00 4.11 0.06 0.10 33.19 20:50:14 1 64.54 0.00 4.03 0.15 0.10 31.17 20:50:14 2 63.52 0.00 4.09 0.10 0.10 32.19 20:50:14 3 62.91 0.00 4.00 0.08 0.10 32.91 21:00:15 all 32.51 0.00 1.63 0.13 0.08 65.65 21:00:15 0 34.11 0.00 1.57 0.22 0.08 64.03 21:00:15 1 28.71 0.00 1.73 0.02 0.07 69.47 21:00:15 2 37.85 0.00 1.54 0.07 0.08 60.46 21:00:15 3 29.37 0.00 1.69 0.20 0.08 68.66 Average: all 48.66 0.02 2.55 0.16 0.09 48.52 Average: 0 48.95 0.03 2.54 0.14 0.09 48.25 Average: 1 48.74 0.00 2.56 0.11 0.09 48.51 Average: 2 49.47 0.05 2.61 0.29 0.09 47.50 Average: 3 47.47 0.00 2.51 0.12 0.09 49.82