---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-11555 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 755 5294 4 2180 7185 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:c0:2e:71 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.7/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82127sec preferred_lft 82127sec inet6 fe80::f816:3eff:fec0:2e71/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-11555) 05/07/26 _x86_64_ (2 CPU) 00:35:42 LINUX RESTART (2 CPU) 00:40:23 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:23 1.90 0.28 1.60 0.01 33.27 74.59 0.35 01:00:01 1.58 0.01 1.54 0.03 0.06 18.24 453.66 01:10:23 1.36 0.00 1.34 0.02 0.00 15.71 1.27 01:20:13 1.50 0.00 1.48 0.02 0.01 17.78 1.25 01:30:01 1.63 0.00 1.59 0.03 0.00 19.20 675.77 01:40:03 1.72 0.27 1.42 0.02 10.79 33.57 1.24 Average: 1.61 0.09 1.50 0.02 7.40 29.90 184.90 00:40:23 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:23 6255860 7529176 290816 3.58 30756 1447904 523496 5.70 458356 1200252 160 01:00:01 6260340 7534224 285808 3.51 30968 1448236 523564 5.70 458344 1200796 124 01:10:23 6265240 7539680 280372 3.45 31180 1448568 523708 5.70 458632 1201340 124 01:20:13 6263960 7538948 280992 3.46 31400 1448892 578784 6.30 464240 1201880 128 01:30:01 6258980 7534668 285316 3.51 31624 1449348 524060 5.71 459212 1202436 128 01:40:03 6246892 7531556 288308 3.55 31876 1457984 529740 5.77 466856 1209936 196 Average: 6258545 7534709 285269 3.51 31301 1450155 533892 5.82 460940 1202773 143 00:40:23 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:23 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 00:50:23 ens3 1.25 0.30 3.23 0.08 0.00 0.00 0.00 0.00 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 0.45 0.05 0.08 0.03 0.00 0.00 0.00 0.00 01:10:23 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:23 ens3 0.47 0.05 0.09 0.03 0.00 0.00 0.00 0.00 01:20:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:13 ens3 0.43 0.09 0.12 0.06 0.00 0.00 0.00 0.00 01:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 0.38 0.18 0.08 0.60 0.00 0.00 0.00 0.00 01:40:03 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:40:03 ens3 3.21 1.96 9.96 0.72 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 1.04 0.44 2.28 0.26 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-11555) 05/07/26 _x86_64_ (2 CPU) 00:35:42 LINUX RESTART (2 CPU) 00:40:23 CPU %user %nice %system %iowait %steal %idle 00:50:23 all 0.39 0.00 0.11 0.05 0.03 99.42 00:50:23 0 0.39 0.00 0.11 0.07 0.03 99.40 00:50:23 1 0.39 0.00 0.11 0.02 0.03 99.45 01:00:01 all 0.27 0.00 0.17 0.02 0.02 99.52 01:00:01 0 0.23 0.00 0.16 0.02 0.02 99.57 01:00:01 1 0.32 0.00 0.17 0.02 0.02 99.46 01:10:23 all 0.26 0.00 0.07 0.05 0.02 99.60 01:10:23 0 0.33 0.00 0.07 0.02 0.02 99.55 01:10:23 1 0.18 0.00 0.08 0.07 0.03 99.64 01:20:13 all 0.28 0.00 0.08 0.03 0.03 99.58 01:20:13 0 0.07 0.00 0.10 0.03 0.04 99.76 01:20:13 1 0.48 0.00 0.06 0.03 0.02 99.41 01:30:01 all 0.28 0.00 0.17 0.05 0.03 99.48 01:30:01 0 0.26 0.00 0.17 0.07 0.03 99.47 01:30:01 1 0.30 0.00 0.17 0.02 0.03 99.49 01:40:03 all 0.35 0.00 0.09 0.04 0.03 99.50 01:40:03 0 0.43 0.00 0.07 0.04 0.02 99.44 01:40:03 1 0.27 0.00 0.10 0.03 0.03 99.57 Average: all 0.30 0.00 0.11 0.04 0.03 99.52 Average: 0 0.29 0.00 0.11 0.04 0.03 99.53 Average: 1 0.32 0.00 0.12 0.03 0.03 99.50