---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-6841 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 17G 139G 11% / 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 768 19536 4 11787 30856 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:43:ef:05 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.163/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84540sec preferred_lft 84540sec inet6 fe80::f816:3eff:fe43:ef05/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 72:f0:d8:43:02:8a 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::70f0:d8ff:fe43:28a/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-6841) 04/23/26 _x86_64_ (8 CPU) 00:23:20 LINUX RESTART (8 CPU) 00:30:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:01 15.29 0.31 14.52 0.46 11.84 9363.72 124.80 00:50:15 68.49 1.93 50.70 15.86 307.83 15589.56 483852.19 Average: 42.41 1.13 32.97 8.31 162.72 12537.31 246702.60 00:30:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:01 22414676 29314040 2985076 9.08 166880 6860704 2987700 8.81 1784392 8102316 332408 00:50:15 20270892 31655256 619364 1.88 231784 11081364 1423824 4.20 3009420 8781412 548 Average: 21342784 30484648 1802220 5.48 199332 8971034 2205762 6.50 2396906 8441864 166478 00:30:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:01 lo 1.60 1.60 0.16 0.16 0.00 0.00 0.00 0.00 00:40:01 ens3 61.03 50.67 239.43 13.73 0.00 0.00 0.00 0.00 00:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:15 lo 190.33 190.33 187.25 187.25 0.00 0.00 0.00 0.00 00:50:15 ens3 133.15 115.22 426.91 1307.77 0.00 0.00 0.00 0.00 00:50:15 docker0 83.97 86.31 1297.99 157.59 0.00 0.00 0.00 0.00 00:50:15 veth5ff2749 78.27 79.25 1298.71 10.03 0.00 0.00 0.00 0.11 Average: lo 97.80 97.80 95.53 95.53 0.00 0.00 0.00 0.00 Average: ens3 97.79 83.58 335.00 673.36 0.00 0.00 0.00 0.00 Average: docker0 42.80 44.00 661.64 80.33 0.00 0.00 0.00 0.00 Average: veth5ff2749 39.90 40.40 662.01 5.11 0.00 0.00 0.00 0.05 ---> sar -P ALL: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-8c-8g-6841) 04/23/26 _x86_64_ (8 CPU) 00:23:20 LINUX RESTART (8 CPU) 00:30:10 CPU %user %nice %system %iowait %steal %idle 00:40:01 all 33.35 0.00 1.35 0.07 0.07 65.15 00:40:01 0 29.63 0.00 1.23 0.03 0.07 69.05 00:40:01 1 37.82 0.00 1.78 0.21 0.07 60.13 00:40:01 2 37.99 0.00 1.45 0.07 0.07 60.42 00:40:01 3 34.17 0.00 1.23 0.01 0.07 64.52 00:40:01 4 32.13 0.00 1.41 0.15 0.07 66.24 00:40:01 5 35.98 0.00 1.33 0.02 0.06 62.61 00:40:01 6 27.89 0.00 1.18 0.03 0.06 70.84 00:40:01 7 31.21 0.00 1.24 0.05 0.06 67.43 00:50:15 all 11.60 0.00 1.24 0.23 0.05 86.88 00:50:15 0 12.16 0.00 1.05 0.16 0.05 86.58 00:50:15 1 8.88 0.00 1.06 0.51 0.05 89.50 00:50:15 2 10.32 0.00 0.99 0.19 0.05 88.45 00:50:15 3 11.85 0.00 1.51 0.16 0.05 86.43 00:50:15 4 13.90 0.00 1.54 0.15 0.05 84.36 00:50:15 5 14.08 0.00 1.54 0.30 0.04 84.03 00:50:15 6 9.85 0.00 1.06 0.12 0.05 88.92 00:50:15 7 11.72 0.00 1.20 0.23 0.04 86.81 Average: all 22.26 0.00 1.30 0.15 0.06 76.23 Average: 0 20.72 0.00 1.14 0.09 0.06 77.99 Average: 1 23.07 0.00 1.41 0.36 0.06 75.10 Average: 2 23.89 0.00 1.22 0.13 0.06 74.71 Average: 3 22.80 0.00 1.37 0.08 0.06 75.68 Average: 4 22.83 0.00 1.47 0.15 0.06 75.48 Average: 5 24.82 0.00 1.44 0.16 0.05 73.53 Average: 6 18.69 0.00 1.12 0.07 0.06 80.06 Average: 7 21.27 0.00 1.22 0.14 0.05 77.32