---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-652 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: 5600.00 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 688 10269 4 5031 14958 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:b1:00:e3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.71/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84362sec preferred_lft 84362sec inet6 fe80::f816:3eff:feb1:e3/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5a:44:42:5a:27:ab 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-652) 07/30/26 _x86_64_ (4 CPU) 18:37:15 LINUX RESTART (4 CPU) 18:40:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:50:05 12.61 2.15 9.80 0.67 150.64 2567.79 25123.39 19:00:06 10.56 0.46 8.96 1.14 17.99 2159.60 2405.18 19:10:07 27.47 0.56 22.78 4.13 21.58 3525.94 2111.11 Average: 16.88 1.05 13.85 1.98 63.40 2751.35 9879.34 18:40:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:50:05 10861748 14144128 1816796 11.10 123752 3299788 2169960 12.46 519292 4637340 30588 19:00:06 9485540 13420776 2534244 15.48 154444 3860300 2715784 15.59 682072 5759648 49492 19:10:07 10568000 15360548 588420 3.59 177608 4639068 1098868 6.31 920388 4374948 216 Average: 10305096 14308484 1646487 10.06 151935 3933052 1994871 11.45 707251 4923979 26765 18:40:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:50:05 lo 0.53 0.53 0.05 0.05 0.00 0.00 0.00 0.00 18:50:05 ens3 90.46 66.72 1010.44 10.65 0.00 0.00 0.00 0.00 18:50:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:00:06 lo 1.49 1.49 0.15 0.15 0.00 0.00 0.00 0.00 19:00:06 ens3 75.50 58.94 142.53 18.78 0.00 0.00 0.00 0.00 19:00:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:10:07 lo 1728.83 1728.83 1634.92 1634.92 0.00 0.00 0.00 0.00 19:10:07 ens3 99.00 89.17 372.59 155.55 0.00 0.00 0.00 0.00 19:10:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 577.26 577.26 545.34 545.34 0.00 0.00 0.00 0.00 Average: ens3 88.33 71.61 508.54 61.68 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-652) 07/30/26 _x86_64_ (4 CPU) 18:37:15 LINUX RESTART (4 CPU) 18:40:05 CPU %user %nice %system %iowait %steal %idle 18:50:05 all 24.97 0.00 0.92 0.10 0.05 73.96 18:50:05 0 24.95 0.00 0.87 0.13 0.05 74.00 18:50:05 1 24.63 0.00 1.09 0.11 0.05 74.13 18:50:05 2 25.88 0.00 0.92 0.08 0.05 73.08 18:50:05 3 24.44 0.00 0.78 0.08 0.05 74.65 19:00:06 all 71.45 0.00 2.28 0.05 0.10 26.12 19:00:06 0 69.32 0.00 2.32 0.07 0.10 28.18 19:00:06 1 68.87 0.00 2.13 0.04 0.10 28.87 19:00:06 2 75.68 0.00 2.60 0.05 0.11 21.56 19:00:06 3 71.93 0.00 2.08 0.04 0.10 25.85 19:10:07 all 36.23 0.00 1.78 0.08 0.10 61.81 19:10:07 0 35.49 0.00 1.63 0.06 0.11 62.71 19:10:07 1 38.34 0.00 1.58 0.09 0.08 59.91 19:10:07 2 37.39 0.00 1.80 0.08 0.12 60.62 19:10:07 3 33.69 0.00 2.11 0.08 0.10 64.01 Average: all 44.20 0.00 1.66 0.08 0.08 53.98 Average: 0 43.24 0.00 1.61 0.09 0.09 54.98 Average: 1 43.94 0.00 1.60 0.08 0.08 54.30 Average: 2 46.29 0.00 1.77 0.07 0.09 51.78 Average: 3 43.35 0.00 1.66 0.07 0.08 54.84