---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-11173 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): 8 On-line CPU(s) list: 0-7 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): 8 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: 256 KiB (8 instances) L1i cache: 256 KiB (8 instances) L2 cache: 4 MiB (8 instances) L3 cache: 128 MiB (8 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-7 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: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 3.2G 1.1M 3.2G 1% /run /dev/vda1 155G 18G 138G 12% / tmpfs 16G 0 16G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 3.2G 4.0K 3.2G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 32092 771 19017 4 12302 30852 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:b9:79:98 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.225/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84493sec preferred_lft 84493sec inet6 fe80::f816:3eff:feb9:7998/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5a:4c:f2:f2:62:5a 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 inet6 fe80::584c:f2ff:fef2:625a/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-8c-8g-11173) 05/06/26 _x86_64_ (8 CPU) 00:00:28 LINUX RESTART (8 CPU) 00:10:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:20:19 21.59 0.49 20.56 0.55 17.46 15026.13 818.43 00:30:13 42.07 2.06 38.74 1.27 319.91 10654.23 5612.50 Average: 31.70 1.27 29.53 0.90 166.67 12869.25 3183.59 00:10:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:20:19 19279672 28017972 4271284 13.00 190004 8608052 4514596 13.31 2107220 10825768 544 00:30:13 19668600 31585616 684612 2.08 235416 11595072 1306268 3.85 3141064 9205004 20 Average: 19474136 29801794 2477948 7.54 212710 10101562 2910432 8.58 2624142 10015386 282 00:10:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:20:19 lo 238.09 238.09 232.70 232.70 0.00 0.00 0.00 0.00 00:20:19 ens3 55.41 48.66 314.29 12.79 0.00 0.00 0.00 0.00 00:20:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:30:13 lo 13.93 13.93 1.55 1.55 0.00 0.00 0.00 0.00 00:30:13 ens3 183.58 188.58 336.33 2752.96 0.00 0.00 0.00 0.00 00:30:13 docker0 90.39 92.19 1390.21 163.59 0.00 0.00 0.00 0.00 Average: lo 127.50 127.50 118.66 118.66 0.00 0.00 0.00 0.00 Average: ens3 118.64 117.69 325.16 1364.66 0.00 0.00 0.00 0.00 Average: docker0 44.59 45.48 685.86 80.71 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-8c-8g-11173) 05/06/26 _x86_64_ (8 CPU) 00:00:28 LINUX RESTART (8 CPU) 00:10:09 CPU %user %nice %system %iowait %steal %idle 00:20:19 all 26.69 0.00 1.15 0.12 0.06 71.97 00:20:19 0 27.08 0.00 0.91 0.17 0.07 71.77 00:20:19 1 31.58 0.00 1.65 0.20 0.07 66.50 00:20:19 2 24.49 0.00 1.13 0.17 0.06 74.15 00:20:19 3 27.61 0.00 1.18 0.04 0.06 71.12 00:20:19 4 28.19 0.00 1.06 0.01 0.06 70.68 00:20:19 5 27.45 0.00 1.31 0.08 0.06 71.09 00:20:19 6 23.51 0.00 1.06 0.08 0.06 75.29 00:20:19 7 23.64 0.00 0.91 0.23 0.06 75.16 00:30:13 all 10.42 0.00 1.06 0.16 0.05 88.31 00:30:13 0 9.46 0.00 1.21 0.05 0.04 89.24 00:30:13 1 4.62 0.00 0.67 0.22 0.05 94.43 00:30:13 2 7.39 0.00 0.94 0.15 0.04 91.48 00:30:13 3 8.54 0.00 0.89 0.42 0.05 90.11 00:30:13 4 9.10 0.00 0.75 0.12 0.04 90.00 00:30:13 5 17.63 0.00 1.43 0.05 0.06 80.83 00:30:13 6 16.70 0.00 1.58 0.05 0.04 81.63 00:30:13 7 9.96 0.00 1.01 0.18 0.05 88.79 Average: all 18.66 0.00 1.11 0.14 0.05 80.04 Average: 0 18.38 0.00 1.06 0.11 0.06 80.39 Average: 1 18.28 0.00 1.17 0.21 0.06 80.28 Average: 2 16.05 0.00 1.03 0.16 0.05 82.71 Average: 3 18.20 0.00 1.03 0.23 0.05 80.49 Average: 4 18.77 0.00 0.90 0.06 0.05 80.22 Average: 5 22.61 0.00 1.37 0.07 0.06 75.90 Average: 6 20.15 0.00 1.32 0.06 0.05 78.42 Average: 7 16.89 0.00 0.96 0.21 0.06 81.89