---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-763 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 8.0G 30G 22% / 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 813 5068 4 2361 7128 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:98:52:13 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.89/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81993sec preferred_lft 81993sec inet6 fe80::f816:3eff:fe98:5213/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-763) 07/31/26 _x86_64_ (2 CPU) 01:44:35 LINUX RESTART (2 CPU) 01:50:25 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:24 1.47 0.01 1.45 0.01 0.05 18.33 654.75 02:10:01 15.92 14.07 1.79 0.05 157.07 42.68 6.75 02:20:25 13.32 0.00 1.21 12.10 0.15 14.83 105016.59 02:30:16 1.93 0.26 1.66 0.02 31.43 78.86 240.42 02:40:01 1.27 0.00 1.27 0.00 0.00 15.41 0.00 02:50:06 14.74 1.60 12.23 0.91 115.20 1970.80 196.31 Average: 8.15 2.58 3.29 2.28 50.00 360.97 18472.79 01:50:25 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:24 6290276 7536980 283696 3.49 30652 1421732 527860 5.75 445612 1183552 132 02:10:01 6222420 7526196 285444 3.51 34776 1466356 527968 5.75 446420 1231692 132 02:20:25 6226256 7530600 280856 3.45 34960 1466728 527968 5.75 446584 1232220 132 02:30:16 6180048 7511780 298936 3.68 35332 1493352 728804 7.94 461288 1250448 152 02:40:01 6180048 7512388 298320 3.67 35484 1493800 729368 7.94 462508 1250924 180 02:50:06 5363048 7356688 413820 5.09 75628 2080748 848500 9.24 623636 1861324 104748 Average: 6077016 7495772 310179 3.81 41139 1570453 648411 7.06 481008 1335027 17579 01:50:25 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:24 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:24 ens3 0.98 0.05 0.09 0.01 0.00 0.00 0.00 0.00 02:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 0.43 0.04 0.06 0.01 0.00 0.00 0.00 0.00 02:20:25 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:25 ens3 0.30 0.06 0.07 0.03 0.00 0.00 0.00 0.00 02:30:16 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:30:16 ens3 0.98 0.51 3.34 0.07 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 6.46 3.88 4.27 3.37 0.00 0.00 0.00 0.00 02:50:06 lo 1.14 1.14 0.06 0.06 0.00 0.00 0.00 0.00 02:50:06 ens3 35.64 24.61 275.19 10.21 0.00 0.00 0.00 0.00 Average: lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 7.52 4.90 47.77 2.30 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-763) 07/31/26 _x86_64_ (2 CPU) 01:44:35 LINUX RESTART (2 CPU) 01:50:25 CPU %user %nice %system %iowait %steal %idle 02:00:24 all 0.27 0.00 0.18 0.01 0.02 99.52 02:00:24 0 0.44 0.00 0.15 0.02 0.02 99.38 02:00:24 1 0.10 0.00 0.22 0.00 0.03 99.66 02:10:01 all 0.24 0.18 0.15 0.14 0.02 99.27 02:10:01 0 0.42 0.01 0.08 0.04 0.02 99.43 02:10:01 1 0.06 0.35 0.22 0.23 0.02 99.11 02:20:25 all 0.27 0.00 0.11 0.03 0.02 99.57 02:20:25 0 0.18 0.00 0.11 0.05 0.02 99.64 02:20:25 1 0.35 0.00 0.11 0.01 0.02 99.51 02:30:16 all 0.41 0.00 0.23 0.02 0.03 99.32 02:30:16 0 0.43 0.00 0.27 0.02 0.03 99.26 02:30:16 1 0.39 0.00 0.19 0.02 0.03 99.37 02:40:01 all 0.35 0.00 0.10 0.01 0.03 99.50 02:40:01 0 0.23 0.00 0.09 0.01 0.04 99.63 02:40:01 1 0.47 0.00 0.11 0.01 0.03 99.38 02:50:06 all 6.25 0.00 0.89 0.32 0.04 92.50 02:50:06 0 7.65 0.00 1.02 0.37 0.04 90.92 02:50:06 1 4.86 0.00 0.75 0.28 0.04 94.08 Average: all 1.31 0.03 0.28 0.09 0.03 98.27 Average: 0 1.57 0.00 0.29 0.09 0.03 98.02 Average: 1 1.05 0.06 0.27 0.09 0.03 98.51