---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-37429 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: 5599.99 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: 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 770 19141 4 12179 30853 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:39:22:a5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.214/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84559sec preferred_lft 84559sec inet6 fe80::f816:3eff:fe39:22a5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fe:b6:0a:50:7b:20 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::fcb6:aff:fe50:7b20/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-8c-8g-37429) 07/21/26 _x86_64_ (8 CPU) 00:00:30 LINUX RESTART (8 CPU) 00:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:20:01 21.71 0.49 20.61 0.61 17.30 15315.23 821.02 00:30:01 29.14 1.90 26.21 1.03 316.93 10028.76 3536.14 Average: 25.42 1.19 23.41 0.82 167.09 12672.35 2178.40 00:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:20:01 19210056 27950420 4339240 13.20 189588 8604584 4562668 13.45 2078368 10923732 628 00:30:01 18171672 30122156 2148888 6.54 228996 11630672 2793600 8.24 3074076 10814424 160116 Average: 18690864 29036288 3244064 9.87 209292 10117628 3678134 10.85 2576222 10869078 80372 00:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:20:01 lo 213.28 213.28 209.07 209.07 0.00 0.00 0.00 0.00 00:20:01 ens3 63.26 53.73 320.90 13.77 0.00 0.00 0.00 0.00 00:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:30:01 lo 15.87 15.87 1.79 1.79 0.00 0.00 0.00 0.00 00:30:01 ens3 200.64 207.74 492.68 2757.00 0.00 0.00 0.00 0.00 00:30:01 docker0 90.11 84.07 1376.68 10.74 0.00 0.00 0.00 0.00 Average: lo 114.59 114.59 105.44 105.44 0.00 0.00 0.00 0.00 Average: ens3 131.94 130.73 406.78 1385.20 0.00 0.00 0.00 0.00 Average: docker0 45.05 42.03 688.25 5.37 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-8c-8g-37429) 07/21/26 _x86_64_ (8 CPU) 00:00:30 LINUX RESTART (8 CPU) 00:10:01 CPU %user %nice %system %iowait %steal %idle 00:20:01 all 27.50 0.00 1.28 0.10 0.06 71.06 00:20:01 0 27.48 0.00 1.33 0.07 0.07 71.05 00:20:01 1 23.53 0.00 1.27 0.09 0.06 75.06 00:20:01 2 27.04 0.00 1.21 0.09 0.06 71.60 00:20:01 3 25.94 0.00 1.17 0.09 0.06 72.74 00:20:01 4 29.56 0.00 1.25 0.10 0.06 69.03 00:20:01 5 26.47 0.00 1.42 0.04 0.07 72.00 00:20:01 6 25.42 0.00 1.24 0.30 0.06 72.98 00:20:01 7 34.56 0.00 1.32 0.06 0.07 64.00 00:30:01 all 11.10 0.00 1.03 0.11 0.04 87.72 00:30:01 0 8.25 0.00 0.73 0.10 0.04 90.88 00:30:01 1 17.18 0.00 1.20 0.04 0.05 81.53 00:30:01 2 12.14 0.00 0.60 0.30 0.04 86.92 00:30:01 3 8.99 0.00 0.73 0.07 0.05 90.16 00:30:01 4 10.01 0.00 1.60 0.14 0.04 88.21 00:30:01 5 11.06 0.00 1.58 0.11 0.05 87.20 00:30:01 6 6.61 0.00 0.83 0.06 0.03 92.47 00:30:01 7 14.53 0.00 1.00 0.07 0.04 84.35 Average: all 19.29 0.00 1.16 0.11 0.05 79.39 Average: 0 17.85 0.00 1.03 0.08 0.05 80.98 Average: 1 20.35 0.00 1.23 0.07 0.05 78.30 Average: 2 19.58 0.00 0.91 0.19 0.05 79.27 Average: 3 17.46 0.00 0.95 0.08 0.05 81.46 Average: 4 19.78 0.00 1.43 0.12 0.05 78.62 Average: 5 18.76 0.00 1.50 0.07 0.06 79.61 Average: 6 16.01 0.00 1.03 0.18 0.05 82.73 Average: 7 24.54 0.00 1.16 0.06 0.06 74.18