---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-12124 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 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 776 5276 4 2178 7165 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:fb:17:61 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.70/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81837sec preferred_lft 81837sec inet6 fe80::f816:3eff:fefb:1761/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-12124) 05/09/26 _x86_64_ (2 CPU) 00:40:53 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:11 1.39 0.01 1.36 0.02 0.05 16.89 429.74 01:10:11 1.20 0.00 1.18 0.02 0.00 14.44 1.20 01:20:01 1.17 0.00 1.15 0.02 0.01 14.30 1.11 01:30:01 1.89 0.25 1.60 0.04 30.99 75.19 437.13 01:40:11 1.20 0.00 1.19 0.02 0.00 14.62 1.08 01:50:01 1.85 0.55 1.29 0.01 21.66 95.01 0.56 Average: 1.45 0.13 1.30 0.02 8.72 38.20 146.29 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:11 6290212 7537180 282976 3.48 30720 1422104 531208 5.79 441940 1183592 176 01:10:11 6293840 7541352 278800 3.43 30936 1422432 531276 5.79 442112 1184136 192 01:20:01 6291828 7539880 280256 3.45 31140 1422756 531460 5.79 442480 1184664 256 01:30:01 6239768 7514576 305004 3.75 31560 1448708 734416 8.00 457468 1202268 172 01:40:11 6255140 7530592 288968 3.55 31744 1449160 734416 8.00 457656 1202780 176 01:50:01 6139336 7461316 355092 4.37 36036 1488732 790656 8.61 540232 1244824 11048 Average: 6251687 7520816 298516 3.67 32023 1442315 642239 7.00 463648 1200377 2003 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:11 ens3 0.54 0.08 0.09 0.03 0.00 0.00 0.00 0.00 01:10:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:11 ens3 0.46 0.06 0.09 0.03 0.00 0.00 0.00 0.00 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 0.63 0.14 0.19 0.10 0.00 0.00 0.00 0.00 01:30:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 0.66 0.39 3.16 0.58 0.00 0.00 0.00 0.00 01:40:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:11 ens3 0.39 0.07 0.11 0.06 0.00 0.00 0.00 0.00 01:50:01 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:50:01 ens3 19.32 10.26 51.52 4.40 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 3.62 1.80 9.06 0.86 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-12124) 05/09/26 _x86_64_ (2 CPU) 00:40:53 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:11 all 0.29 0.00 0.15 0.01 0.03 99.52 01:00:11 0 0.41 0.00 0.14 0.01 0.03 99.42 01:00:11 1 0.16 0.00 0.17 0.02 0.04 99.61 01:10:11 all 0.21 0.00 0.07 0.01 0.04 99.66 01:10:11 0 0.36 0.00 0.05 0.01 0.03 99.55 01:10:11 1 0.07 0.00 0.09 0.01 0.05 99.78 01:20:01 all 0.27 0.00 0.07 0.01 0.04 99.62 01:20:01 0 0.46 0.00 0.04 0.02 0.02 99.46 01:20:01 1 0.07 0.00 0.10 0.01 0.05 99.78 01:30:01 all 0.42 0.00 0.17 0.03 0.03 99.34 01:30:01 0 0.52 0.00 0.19 0.03 0.03 99.23 01:30:01 1 0.33 0.00 0.15 0.03 0.04 99.45 01:40:11 all 0.24 0.00 0.06 0.01 0.03 99.66 01:40:11 0 0.04 0.00 0.08 0.03 0.04 99.81 01:40:11 1 0.43 0.00 0.04 0.00 0.02 99.50 01:50:01 all 0.75 0.00 0.18 0.02 0.03 99.02 01:50:01 0 0.56 0.00 0.20 0.03 0.04 99.18 01:50:01 1 0.94 0.00 0.17 0.01 0.02 98.86 Average: all 0.36 0.00 0.12 0.02 0.03 99.47 Average: 0 0.39 0.00 0.12 0.02 0.03 99.44 Average: 1 0.33 0.00 0.12 0.01 0.04 99.50