---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-25535 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: 5599.94 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 748 18916 4 12426 30876 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:4b:f1:14 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.32/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84526sec preferred_lft 84526sec inet6 fe80::f816:3eff:fe4b:f114/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1a:bd:8a:3f:6a:d9 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::18bd:8aff:fe3f:6ad9/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-8c-8g-25535) 06/07/26 _x86_64_ (8 CPU) 00:36:10 LINUX RESTART (8 CPU) 00:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:01 12.21 0.25 11.40 0.56 8.94 5248.27 1454.95 01:00:00 54.54 2.03 51.22 1.28 291.99 25228.74 3027.37 Average: 33.35 1.14 31.29 0.92 150.30 15226.68 2240.23 00:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:01 24267764 28642380 3665832 11.16 145708 4440804 3812516 11.24 823072 7314904 116 01:00:00 19622980 31639248 634408 1.93 233584 11688756 1353516 3.99 3123144 9265204 52 Average: 21945372 30140814 2150120 6.54 189646 8064780 2583016 7.62 1973108 8290054 84 00:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:01 lo 5.65 5.65 0.54 0.54 0.00 0.00 0.00 0.00 00:50:01 ens3 56.11 43.65 210.55 11.74 0.00 0.00 0.00 0.00 00:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:00:00 lo 228.85 228.85 224.49 224.49 0.00 0.00 0.00 0.00 01:00:00 ens3 74.50 60.30 638.65 13.95 0.00 0.00 0.00 0.00 01:00:00 docker0 5.62 6.96 0.35 151.55 0.00 0.00 0.00 0.00 Average: lo 117.12 117.12 112.38 112.38 0.00 0.00 0.00 0.00 Average: ens3 65.29 51.96 424.35 12.84 0.00 0.00 0.00 0.00 Average: docker0 2.81 3.47 0.17 75.69 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-8c-8g-25535) 06/07/26 _x86_64_ (8 CPU) 00:36:10 LINUX RESTART (8 CPU) 00:40:00 CPU %user %nice %system %iowait %steal %idle 00:50:01 all 39.39 0.00 1.24 0.04 0.07 59.26 00:50:01 0 41.83 0.00 1.29 0.00 0.07 56.81 00:50:01 1 38.44 0.00 1.30 0.02 0.07 60.16 00:50:01 2 39.47 0.00 1.31 0.02 0.07 59.14 00:50:01 3 41.69 0.00 1.14 0.02 0.07 57.08 00:50:01 4 40.47 0.00 1.13 0.08 0.07 58.25 00:50:01 5 41.87 0.00 1.45 0.08 0.07 56.53 00:50:01 6 33.86 0.00 1.04 0.03 0.07 65.01 00:50:01 7 37.50 0.00 1.28 0.05 0.07 61.11 01:00:00 all 18.73 0.00 1.33 0.22 0.06 79.65 01:00:00 0 23.07 0.00 1.44 0.14 0.07 75.29 01:00:00 1 18.57 0.00 1.42 0.13 0.06 79.83 01:00:00 2 18.07 0.00 1.58 0.24 0.06 80.05 01:00:00 3 15.79 0.00 1.31 0.29 0.06 82.56 01:00:00 4 20.15 0.00 1.21 0.08 0.06 78.50 01:00:00 5 19.91 0.00 1.49 0.23 0.05 78.33 01:00:00 6 16.56 0.00 1.02 0.36 0.05 82.01 01:00:00 7 17.74 0.00 1.19 0.35 0.05 80.67 Average: all 29.08 0.00 1.29 0.13 0.06 69.44 Average: 0 32.47 0.00 1.36 0.07 0.07 66.03 Average: 1 28.52 0.00 1.36 0.07 0.07 69.99 Average: 2 28.79 0.00 1.44 0.13 0.07 69.57 Average: 3 28.76 0.00 1.22 0.15 0.06 69.80 Average: 4 30.31 0.00 1.17 0.08 0.06 68.37 Average: 5 30.90 0.00 1.47 0.15 0.06 67.42 Average: 6 25.23 0.00 1.03 0.19 0.06 73.49 Average: 7 27.63 0.00 1.23 0.20 0.06 70.88