---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-4719 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 742 5311 4 2175 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:4f:6d:13 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.90/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81962sec preferred_lft 81962sec inet6 fe80::f816:3eff:fe4f:6d13/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-4719) 04/20/26 _x86_64_ (2 CPU) 00:43:31 LINUX RESTART (2 CPU) 00:50:13 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:07 1.62 0.01 1.60 0.01 0.05 18.59 440.12 01:10:13 1.33 0.00 1.33 0.00 0.00 15.25 0.00 01:20:15 1.37 0.00 1.36 0.00 0.01 15.58 0.12 01:30:16 1.61 0.00 1.60 0.01 0.00 18.57 434.72 01:40:17 1.37 0.00 1.37 0.00 0.00 15.65 0.00 01:50:07 1.86 0.42 1.43 0.01 16.28 48.71 0.50 Average: 1.52 0.07 1.45 0.01 2.68 21.97 145.60 00:50:13 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:07 6248596 7524044 295844 3.64 30856 1449872 735496 8.01 462080 1200236 124 01:10:13 6248596 7524528 295348 3.63 31008 1450204 735688 8.01 462268 1200720 124 01:20:15 6254672 7531108 288760 3.55 31184 1450528 735688 8.01 462756 1201220 124 01:30:16 6252408 7529356 290396 3.57 31352 1450856 735752 8.01 462608 1201712 152 01:40:17 6258856 7536304 283444 3.49 31512 1451184 735784 8.01 463152 1202204 124 01:50:07 6209912 7502768 316728 3.89 31820 1466064 774232 8.43 504500 1215748 220 Average: 6245507 7524685 295087 3.63 31289 1453118 742107 8.08 469561 1203640 145 00:50:13 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:07 ens3 0.84 0.07 0.11 0.03 0.00 0.00 0.00 0.00 01:10:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:13 ens3 0.44 0.08 0.09 0.04 0.00 0.00 0.00 0.00 01:20:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:15 ens3 0.43 0.07 0.11 0.06 0.00 0.00 0.00 0.00 01:30:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:16 ens3 0.31 0.06 0.07 0.03 0.00 0.00 0.00 0.00 01:40:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:17 ens3 0.45 0.13 0.14 0.08 0.00 0.00 0.00 0.00 01:50:07 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:50:07 ens3 12.57 5.64 24.26 3.29 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 2.47 0.99 4.07 0.58 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-4719) 04/20/26 _x86_64_ (2 CPU) 00:43:31 LINUX RESTART (2 CPU) 00:50:13 CPU %user %nice %system %iowait %steal %idle 01:00:07 all 0.28 0.00 0.16 0.01 0.03 99.52 01:00:07 0 0.10 0.00 0.18 0.00 0.04 99.68 01:00:07 1 0.46 0.00 0.14 0.02 0.03 99.36 01:10:13 all 0.26 0.00 0.07 0.01 0.03 99.62 01:10:13 0 0.06 0.00 0.09 0.01 0.03 99.80 01:10:13 1 0.45 0.00 0.06 0.02 0.02 99.45 01:20:15 all 0.25 0.00 0.08 0.01 0.03 99.63 01:20:15 0 0.10 0.00 0.09 0.01 0.03 99.76 01:20:15 1 0.39 0.00 0.07 0.00 0.03 99.51 01:30:16 all 0.28 0.00 0.16 0.01 0.03 99.52 01:30:16 0 0.35 0.00 0.15 0.01 0.03 99.45 01:30:16 1 0.21 0.00 0.16 0.00 0.03 99.59 01:40:17 all 0.23 0.00 0.08 0.01 0.03 99.65 01:40:17 0 0.40 0.00 0.06 0.01 0.03 99.50 01:40:17 1 0.06 0.00 0.09 0.01 0.03 99.80 01:50:07 all 0.50 0.00 0.11 0.01 0.03 99.34 01:50:07 0 0.68 0.00 0.11 0.02 0.03 99.17 01:50:07 1 0.33 0.00 0.12 0.01 0.04 99.51 Average: all 0.30 0.00 0.11 0.01 0.03 99.55 Average: 0 0.28 0.00 0.11 0.01 0.03 99.56 Average: 1 0.32 0.00 0.11 0.01 0.03 99.53