---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-11891 6.8.0-90-generic #91-Ubuntu SMP PREEMPT_DYNAMIC Tue Nov 18 14:14:30 UTC 2025 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): 2 On-line CPU(s) list: 0,1 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): 2 Stepping: 0 BogoMIPS: 5600.00 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: 64 KiB (2 instances) L1i cache: 64 KiB (2 instances) L2 cache: 1 MiB (2 instances) L3 cache: 32 MiB (2 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0,1 Vulnerability Gather data sampling: 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: Vulnerable: Safe RET, no microcode Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl 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 Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 2 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 795M 1.1M 794M 1% /run /dev/vda1 38G 7.9G 30G 21% / tmpfs 3.9G 0 3.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda16 881M 117M 703M 15% /boot /dev/vda15 105M 6.2M 99M 6% /boot/efi tmpfs 795M 16K 795M 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 7941 769 5280 4 2181 7172 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 noprefixroute valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:3d:b5:32 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.7/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81454sec preferred_lft 81454sec inet6 fe80::f816:3eff:fe3d:b532/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-11891) 05/08/26 _x86_64_ (2 CPU) 01:58:07 LINUX RESTART (2 CPU) 02:00:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:01 1.42 0.03 1.39 0.01 1.26 16.52 0.49 02:20:36 1.89 0.25 1.62 0.03 29.34 71.65 1.52 02:30:16 1.59 0.00 1.56 0.03 0.00 18.52 902.06 02:40:01 1.33 0.00 1.33 0.00 0.00 15.54 0.00 02:50:06 1.30 0.00 1.30 0.00 0.00 15.46 0.00 03:00:22 3.32 1.29 1.99 0.05 93.74 165.83 850.85 03:10:01 11.48 0.46 10.06 0.96 22.87 1989.33 209.37 03:20:06 27.24 1.46 10.13 15.65 118.24 1290.45 108612.07 Average: 6.19 0.44 3.65 2.10 33.76 441.88 13938.84 02:00:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:01 6281792 7528460 292300 3.59 30552 1421836 533064 5.81 449204 1183108 136 02:20:36 6240032 7513468 306736 3.77 30976 1447816 727532 7.92 463644 1200748 88 02:30:16 6245080 7519076 301100 3.70 31188 1448140 727676 7.93 463676 1201284 200 02:40:01 6244576 7519036 301168 3.70 31348 1448436 727780 7.93 464116 1201740 144 02:50:06 6244576 7519548 300680 3.70 31516 1448772 727776 7.93 464432 1202244 200 03:00:22 5993376 7398868 414176 5.09 40908 1563980 835000 9.09 595796 1314100 60416 03:10:01 5515708 7365772 419208 5.15 69532 1955916 861892 9.39 629292 1730584 280 03:20:06 5452016 7385356 395292 4.86 88152 2017292 816896 8.90 616700 1780196 13000 Average: 6027144 7468698 341332 4.20 44272 1594024 744702 8.11 518358 1351750 9308 02:00:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 0.74 0.06 0.07 0.02 0.00 0.00 0.00 0.00 02:20:36 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:20:36 ens3 0.65 0.22 5.06 0.03 0.00 0.00 0.00 0.00 02:30:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:16 ens3 0.25 0.04 0.05 0.01 0.00 0.00 0.00 0.00 02:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:01 ens3 0.47 0.11 0.31 0.08 0.00 0.00 0.00 0.00 02:50:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:06 ens3 0.26 0.06 0.07 0.03 0.00 0.00 0.00 0.00 03:00:22 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 03:00:22 ens3 19.17 11.27 67.76 4.56 0.00 0.00 0.00 0.00 03:10:01 lo 1.13 1.13 0.06 0.06 0.00 0.00 0.00 0.00 03:10:01 ens3 20.38 12.69 201.12 1.82 0.00 0.00 0.00 0.00 03:20:06 lo 1.25 1.25 0.07 0.07 0.00 0.00 0.00 0.00 03:20:06 ens3 12.64 9.55 43.88 5.15 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 6.82 4.25 39.26 1.48 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-11891) 05/08/26 _x86_64_ (2 CPU) 01:58:07 LINUX RESTART (2 CPU) 02:00:10 CPU %user %nice %system %iowait %steal %idle 02:10:01 all 0.30 0.00 0.08 0.06 0.03 99.53 02:10:01 0 0.30 0.00 0.07 0.01 0.03 99.60 02:10:01 1 0.31 0.00 0.09 0.12 0.03 99.47 02:20:36 all 0.36 0.00 0.11 0.23 0.02 99.27 02:20:36 0 0.23 0.00 0.08 0.28 0.02 99.39 02:20:36 1 0.50 0.00 0.14 0.19 0.02 99.15 02:30:16 all 0.29 0.00 0.17 0.02 0.02 99.50 02:30:16 0 0.14 0.00 0.20 0.03 0.02 99.61 02:30:16 1 0.43 0.00 0.15 0.01 0.02 99.39 02:40:01 all 0.31 0.00 0.07 0.02 0.02 99.58 02:40:01 0 0.52 0.00 0.05 0.00 0.01 99.41 02:40:01 1 0.09 0.00 0.09 0.04 0.02 99.76 02:50:06 all 0.25 0.00 0.08 0.04 0.02 99.62 02:50:06 0 0.43 0.00 0.07 0.05 0.02 99.44 02:50:06 1 0.07 0.00 0.09 0.02 0.02 99.80 03:00:22 all 1.31 0.00 0.36 0.05 0.02 98.26 03:00:22 0 0.55 0.00 0.29 0.03 0.02 99.11 03:00:22 1 2.07 0.00 0.43 0.08 0.02 97.41 03:10:01 all 4.53 0.00 0.68 0.37 0.03 94.38 03:10:01 0 1.90 0.00 0.38 0.15 0.03 97.54 03:10:01 1 7.17 0.00 0.97 0.60 0.04 91.22 03:20:06 all 8.43 0.00 1.16 0.26 0.05 90.10 03:20:06 0 9.77 0.00 1.29 0.38 0.04 88.52 03:20:06 1 7.10 0.00 1.03 0.14 0.05 91.68 Average: all 1.97 0.00 0.34 0.13 0.03 97.54 Average: 0 1.73 0.00 0.30 0.12 0.03 97.82 Average: 1 2.20 0.00 0.37 0.15 0.03 97.25