---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-3073 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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 24G 131G 16% / 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 840 12844 4 18407 30784 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:51:d6:26 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.81/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84072sec preferred_lft 84072sec inet6 fe80::f816:3eff:fe51:d626/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 96:02:72:2e:01:d7 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::9402:72ff:fe2e:1d7/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-3073) 04/02/26 _x86_64_ (8 CPU) 12:16:38 LINUX RESTART (8 CPU) 12:20:13 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:30:01 18.49 0.10 3.93 14.46 4.59 266.80 520119.25 12:40:13 35.94 2.81 32.31 0.82 217.63 1544.72 856.90 12:50:06 358.45 0.95 345.42 12.07 57.39 59657.40 631092.68 Average: 136.84 1.31 126.52 9.01 94.82 20338.28 379441.21 12:20:13 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:30:01 30021000 31750776 633504 1.93 63312 2004364 1517432 4.47 222236 2313896 252 12:40:13 29270964 31635088 712704 2.17 103924 2566432 1778360 5.24 346068 2919004 221992 12:50:06 16339364 30887944 1362480 4.15 348340 13889216 1928928 5.69 7945744 7487208 60848 Average: 25210443 31424603 902896 2.75 171859 6153337 1741573 5.14 2838016 4240036 94364 12:20:13 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:30:01 lo 0.14 0.14 0.01 0.01 0.00 0.00 0.00 0.00 12:30:01 ens3 5.39 2.38 85.09 0.76 0.00 0.00 0.00 0.00 12:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:40:13 lo 0.38 0.38 0.06 0.06 0.00 0.00 0.00 0.00 12:40:13 ens3 40.88 27.49 251.18 9.29 0.00 0.00 0.00 0.00 12:40:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:50:06 lo 0.37 0.37 0.07 0.07 0.00 0.00 0.00 0.00 12:50:06 ens3 176.88 116.57 2503.75 2333.33 0.00 0.00 0.00 0.00 12:50:06 docker0 4.16 5.80 0.23 128.11 0.00 0.00 0.00 0.00 12:50:06 vethf67ca1e 1.07 1.47 0.08 39.26 0.00 0.00 0.00 0.00 Average: lo 0.30 0.30 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 74.20 48.71 941.45 774.84 0.00 0.00 0.00 0.00 Average: docker0 1.38 1.92 0.08 42.35 0.00 0.00 0.00 0.00 Average: vethf67ca1e 0.35 0.49 0.03 12.98 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-3073) 04/02/26 _x86_64_ (8 CPU) 12:16:38 LINUX RESTART (8 CPU) 12:20:13 CPU %user %nice %system %iowait %steal %idle 12:30:01 all 0.13 0.00 0.08 0.05 0.01 99.74 12:30:01 0 0.16 0.00 0.21 0.19 0.01 99.43 12:30:01 1 0.16 0.00 0.04 0.01 0.01 99.78 12:30:01 2 0.12 0.00 0.07 0.14 0.04 99.63 12:30:01 3 0.09 0.00 0.07 0.01 0.01 99.83 12:30:01 4 0.13 0.00 0.06 0.01 0.01 99.79 12:30:01 5 0.16 0.00 0.07 0.01 0.01 99.75 12:30:01 6 0.07 0.00 0.03 0.01 0.01 99.88 12:30:01 7 0.11 0.00 0.05 0.02 0.01 99.81 12:40:13 all 1.54 0.00 0.17 0.14 0.01 98.13 12:40:13 0 0.89 0.00 0.13 0.48 0.01 98.50 12:40:13 1 1.13 0.00 0.09 0.01 0.01 98.76 12:40:13 2 1.28 0.00 0.17 0.05 0.02 98.49 12:40:13 3 2.60 0.00 0.29 0.05 0.01 97.05 12:40:13 4 2.40 0.00 0.31 0.39 0.02 96.88 12:40:13 5 2.35 0.00 0.20 0.10 0.02 97.33 12:40:13 6 0.93 0.00 0.13 0.05 0.02 98.88 12:40:13 7 0.74 0.00 0.06 0.01 0.01 99.19 12:50:06 all 11.02 0.00 5.74 0.96 0.07 82.22 12:50:06 0 12.87 0.00 5.57 0.65 0.07 80.84 12:50:06 1 9.89 0.00 5.49 1.27 0.07 83.28 12:50:06 2 11.17 0.00 6.05 0.83 0.08 81.87 12:50:06 3 10.71 0.00 5.88 1.46 0.08 81.87 12:50:06 4 11.00 0.00 5.91 0.59 0.07 82.43 12:50:06 5 10.63 0.00 5.48 1.04 0.07 82.77 12:50:06 6 10.03 0.00 5.81 0.86 0.07 83.24 12:50:06 7 11.86 0.00 5.69 0.95 0.07 81.42 Average: all 4.18 0.00 1.97 0.38 0.03 93.44 Average: 0 4.58 0.00 1.94 0.44 0.03 93.01 Average: 1 3.69 0.00 1.85 0.42 0.03 94.01 Average: 2 4.14 0.00 2.07 0.34 0.04 93.41 Average: 3 4.43 0.00 2.05 0.50 0.03 92.99 Average: 4 4.47 0.00 2.06 0.33 0.03 93.10 Average: 5 4.35 0.00 1.90 0.38 0.03 93.34 Average: 6 3.63 0.00 1.95 0.30 0.03 94.09 Average: 7 4.18 0.00 1.90 0.32 0.03 93.57