---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-39072 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: 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: 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 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 742 5216 4 2275 7199 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:b0:bc:81 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.236/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82177sec preferred_lft 82177sec inet6 fe80::f816:3eff:feb0:bc81/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-39072) 07/26/26 _x86_64_ (2 CPU) 02:37:20 LINUX RESTART (2 CPU) 02:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:50:38 1.21 0.02 1.19 0.00 1.17 14.84 0.11 03:00:38 1.48 0.01 1.44 0.03 0.05 18.23 872.63 03:10:01 1.30 0.00 1.28 0.02 0.00 15.11 1.28 03:20:38 13.27 0.00 1.43 11.83 0.15 17.02 102795.23 03:30:28 1.56 0.00 1.53 0.03 0.00 18.85 887.54 03:40:01 1.89 0.26 1.60 0.03 32.43 78.68 1.31 Average: 3.57 0.05 1.41 2.11 5.40 26.65 18486.10 02:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:50:38 6307392 7548132 273232 3.36 30140 1416812 520300 5.67 438132 1178896 164 03:00:38 6298884 7540224 281020 3.46 30368 1417152 520224 5.67 438352 1179456 156 03:10:01 6298884 7540700 280540 3.45 30568 1417432 520368 5.67 438328 1179932 268 03:20:38 6298884 7541364 279816 3.44 30804 1417824 520432 5.67 438872 1180544 180 03:30:28 6297636 7540816 280392 3.45 31012 1418304 520456 5.67 439148 1181096 212 03:40:01 6256100 7526596 294016 3.62 31392 1444856 720904 7.85 454184 1199272 124 Average: 6292963 7539639 281503 3.46 30714 1422063 553781 6.03 441169 1183199 184 02:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:50:38 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:38 ens3 1.51 0.14 0.28 0.04 0.00 0.00 0.00 0.00 03:00:38 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:38 ens3 0.56 0.09 0.11 0.06 0.00 0.00 0.00 0.00 03:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:01 ens3 0.30 0.04 0.05 0.01 0.00 0.00 0.00 0.00 03:20:38 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:38 ens3 0.27 0.05 0.05 0.01 0.00 0.00 0.00 0.00 03:30:28 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:28 ens3 0.38 0.08 0.12 0.06 0.00 0.00 0.00 0.00 03:40:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 03:40:01 ens3 0.72 0.46 3.43 0.55 0.00 0.00 0.00 0.00 Average: lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 0.63 0.14 0.65 0.12 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-39072) 07/26/26 _x86_64_ (2 CPU) 02:37:20 LINUX RESTART (2 CPU) 02:40:01 CPU %user %nice %system %iowait %steal %idle 02:50:38 all 0.32 0.00 0.08 0.03 0.02 99.55 02:50:38 0 0.16 0.00 0.09 0.01 0.02 99.72 02:50:38 1 0.48 0.00 0.07 0.04 0.02 99.39 03:00:38 all 0.28 0.00 0.18 0.03 0.02 99.49 03:00:38 0 0.41 0.00 0.17 0.05 0.02 99.36 03:00:38 1 0.15 0.00 0.20 0.01 0.02 99.62 03:10:01 all 0.28 0.00 0.08 0.01 0.02 99.62 03:10:01 0 0.43 0.00 0.07 0.02 0.02 99.46 03:10:01 1 0.12 0.00 0.09 0.00 0.02 99.77 03:20:38 all 0.24 0.00 0.10 0.03 0.02 99.62 03:20:38 0 0.16 0.00 0.10 0.01 0.02 99.72 03:20:38 1 0.31 0.00 0.10 0.06 0.02 99.52 03:30:28 all 0.29 0.00 0.18 0.01 0.02 99.50 03:30:28 0 0.27 0.00 0.19 0.01 0.02 99.52 03:30:28 1 0.31 0.00 0.18 0.01 0.02 99.48 03:40:01 all 0.37 0.00 0.11 0.02 0.02 99.48 03:40:01 0 0.53 0.00 0.11 0.05 0.02 99.30 03:40:01 1 0.20 0.00 0.11 0.00 0.02 99.66 Average: all 0.29 0.00 0.12 0.02 0.02 99.54 Average: 0 0.32 0.00 0.12 0.02 0.02 99.52 Average: 1 0.27 0.00 0.12 0.02 0.02 99.57