---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-480 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 25G 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 858 12528 4 18705 30766 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:08:5e:b4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.108/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84128sec preferred_lft 84128sec inet6 fe80::f816:3eff:fe08:5eb4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 12:b4:c4:6b:29:20 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::10b4:c4ff:fe6b:2920/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-480) 04/11/26 _x86_64_ (8 CPU) 12:16:51 LINUX RESTART (8 CPU) 12:20:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:30:14 6.35 0.30 5.52 0.53 379.07 659.28 12247.92 12:40:14 37.33 2.88 33.59 0.87 223.43 1588.47 449.90 12:50:00 327.81 0.97 317.92 8.93 57.32 61005.65 261686.93 Average: 122.24 1.39 117.46 3.40 221.21 20772.77 90132.53 12:20:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:30:14 29804664 31776352 605264 1.84 66376 2241460 1549192 4.57 354384 2413948 12 12:40:14 28770856 31423092 919112 2.80 109988 2844284 1609516 4.75 486680 3258112 273564 12:50:00 16046776 30961140 1286236 3.91 402332 14194420 1825928 5.38 8207800 7527460 168 Average: 24874099 31386861 936871 2.85 192899 6426721 1661545 4.90 3016288 4399840 91248 12:20:14 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:30:14 lo 0.16 0.16 0.02 0.02 0.00 0.00 0.00 0.00 12:30:14 ens3 19.06 11.88 212.73 1.10 0.00 0.00 0.00 0.00 12:30:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:40:14 lo 0.40 0.40 0.07 0.07 0.00 0.00 0.00 0.00 12:40:14 ens3 44.41 32.62 315.69 9.53 0.00 0.00 0.00 0.00 12:40:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:50:00 lo 0.35 0.35 0.07 0.07 0.00 0.00 0.00 0.00 12:50:00 ens3 169.27 104.14 2470.53 2356.31 0.00 0.00 0.00 0.00 12:50:00 docker0 3.72 4.84 0.21 129.50 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 76.86 49.12 988.17 776.74 0.00 0.00 0.00 0.00 Average: docker0 1.22 1.59 0.07 42.49 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-480) 04/11/26 _x86_64_ (8 CPU) 12:16:51 LINUX RESTART (8 CPU) 12:20:14 CPU %user %nice %system %iowait %steal %idle 12:30:14 all 0.23 0.00 0.14 0.09 0.01 99.53 12:30:14 0 0.17 0.00 0.09 0.49 0.01 99.24 12:30:14 1 0.28 0.00 0.10 0.01 0.01 99.61 12:30:14 2 0.38 0.00 0.25 0.04 0.02 99.31 12:30:14 3 0.29 0.00 0.13 0.03 0.01 99.54 12:30:14 4 0.19 0.00 0.10 0.03 0.01 99.67 12:30:14 5 0.13 0.00 0.07 0.03 0.01 99.76 12:30:14 6 0.18 0.00 0.14 0.05 0.00 99.64 12:30:14 7 0.22 0.00 0.24 0.08 0.01 99.45 12:40:14 all 1.99 0.00 0.20 0.12 0.01 97.67 12:40:14 0 4.30 0.00 0.33 0.12 0.02 95.23 12:40:14 1 3.13 0.00 0.28 0.05 0.02 96.52 12:40:14 2 2.22 0.00 0.20 0.04 0.01 97.54 12:40:14 3 1.59 0.00 0.17 0.01 0.02 98.22 12:40:14 4 1.14 0.00 0.27 0.36 0.01 98.22 12:40:14 5 1.35 0.00 0.09 0.01 0.01 98.55 12:40:14 6 0.90 0.00 0.09 0.03 0.01 98.97 12:40:14 7 1.32 0.00 0.16 0.36 0.02 98.14 12:50:00 all 9.85 0.00 5.22 1.57 0.06 83.30 12:50:00 0 10.86 0.00 5.28 0.95 0.07 82.84 12:50:00 1 8.77 0.00 5.14 2.15 0.07 83.87 12:50:00 2 10.63 0.00 5.55 2.18 0.07 81.57 12:50:00 3 10.00 0.00 5.16 1.05 0.06 83.73 12:50:00 4 8.98 0.00 5.27 0.97 0.06 84.71 12:50:00 5 8.60 0.00 5.29 1.92 0.06 84.13 12:50:00 6 10.24 0.00 4.84 0.90 0.06 83.97 12:50:00 7 10.70 0.00 5.22 2.47 0.07 81.54 Average: all 3.96 0.00 1.81 0.59 0.03 93.61 Average: 0 5.05 0.00 1.86 0.51 0.03 92.54 Average: 1 4.00 0.00 1.80 0.72 0.03 93.45 Average: 2 4.34 0.00 1.96 0.74 0.03 92.93 Average: 3 3.89 0.00 1.78 0.35 0.03 93.95 Average: 4 3.37 0.00 1.84 0.45 0.03 94.31 Average: 5 3.30 0.00 1.77 0.64 0.02 94.26 Average: 6 3.70 0.00 1.65 0.32 0.02 94.31 Average: 7 4.00 0.00 1.84 0.95 0.03 93.17