---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-52988 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 767 5206 4 2257 7174 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:87:ad:7d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.133/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82767sec preferred_lft 82767sec inet6 fe80::f816:3eff:fe87:ad7d/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-52988) 03/26/26 _x86_64_ (2 CPU) 01:46:00 LINUX RESTART (2 CPU) 01:50:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:13 2.42 0.35 2.02 0.04 40.98 97.77 1.29 02:10:01 1.45 0.01 1.42 0.01 1.13 22.86 0.23 02:20:05 1.50 0.00 1.49 0.01 0.01 131.77 394.14 02:30:01 1.75 0.02 1.70 0.04 0.60 37.41 2.78 02:40:01 1.40 0.00 1.37 0.03 0.00 22.33 2.77 Average: 1.70 0.08 1.60 0.03 8.58 62.74 81.14 01:50:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:13 5230464 7340816 431140 5.30 84216 2190844 883160 9.62 636752 1949184 272 02:10:01 5232432 7345064 426876 5.25 84380 2192956 688260 7.50 633628 1951148 124 02:20:05 5085132 7233028 538676 6.62 84556 2227788 724368 7.89 669016 1986136 280 02:30:01 5146196 7299736 471912 5.80 84740 2233140 712032 7.76 656212 1991572 124 02:40:01 5145816 7301656 469964 5.78 84896 2235252 712076 7.76 656392 1993724 276 Average: 5168008 7304060 467714 5.75 84558 2215996 743979 8.10 650400 1974353 215 01:50:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:13 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:00:13 ens3 23.83 21.84 227.07 2.61 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 8.90 8.51 62.58 0.90 0.00 0.00 0.00 0.00 02:20:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:05 ens3 12.91 12.03 155.60 1.19 0.00 0.00 0.00 0.00 02:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 10.82 10.36 58.74 1.51 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 18.93 18.50 223.60 1.54 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 15.11 14.28 146.03 1.55 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-52988) 03/26/26 _x86_64_ (2 CPU) 01:46:00 LINUX RESTART (2 CPU) 01:50:12 CPU %user %nice %system %iowait %steal %idle 02:00:13 all 1.39 0.00 0.43 0.02 0.05 98.11 02:00:13 0 1.12 0.00 0.39 0.03 0.04 98.42 02:00:13 1 1.66 0.00 0.46 0.02 0.05 97.81 02:10:01 all 2.27 0.00 0.32 0.01 0.05 97.35 02:10:01 0 3.35 0.00 0.45 0.01 0.07 96.12 02:10:01 1 1.21 0.00 0.18 0.01 0.04 98.57 02:20:05 all 5.75 0.00 0.63 0.02 0.06 93.55 02:20:05 0 3.01 0.00 0.42 0.02 0.06 96.49 02:20:05 1 8.55 0.00 0.85 0.01 0.06 90.53 02:30:01 all 1.93 0.00 0.38 0.01 0.04 97.64 02:30:01 0 0.90 0.00 0.31 0.02 0.03 98.75 02:30:01 1 2.97 0.00 0.45 0.00 0.05 96.53 02:40:01 all 1.01 0.00 0.27 0.02 0.08 98.62 02:40:01 0 0.93 0.00 0.11 0.03 0.05 98.88 02:40:01 1 1.08 0.00 0.43 0.02 0.10 98.36 Average: all 2.46 0.00 0.40 0.02 0.05 97.06 Average: 0 1.85 0.00 0.34 0.02 0.05 97.74 Average: 1 3.07 0.00 0.47 0.01 0.06 96.38