---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-27681 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 760 5196 4 2277 7181 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:6b:4a:6f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.19/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81900sec preferred_lft 81900sec inet6 fe80::f816:3eff:fe6b:4a6f/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-27681) 06/16/26 _x86_64_ (2 CPU) 00:41:43 LINUX RESTART (2 CPU) 00:50:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:25 1.35 0.01 1.32 0.02 0.05 16.33 641.10 01:10:16 1.16 0.00 1.14 0.02 0.00 14.09 1.22 01:20:25 1.36 0.00 1.35 0.02 0.01 15.65 1.18 01:30:06 1.61 0.00 1.58 0.03 0.00 18.75 451.15 01:40:25 4.03 1.55 2.41 0.07 123.71 244.88 4.76 01:50:25 36.09 1.68 18.57 15.84 132.18 3508.53 107767.37 Average: 7.59 0.55 4.39 2.66 43.15 635.40 18081.91 00:50:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:25 6282968 7530344 290000 3.57 30692 1422564 531360 5.79 442784 1183588 212 01:10:16 6282296 7530200 290180 3.57 30892 1422884 531392 5.79 448096 1184112 192 01:20:25 6289856 7538284 282080 3.47 31088 1423216 531460 5.79 448300 1184632 56 01:30:06 6281632 7530608 289704 3.56 31296 1423540 531452 5.79 448412 1185160 236 01:40:25 6029428 7425036 387564 4.77 41932 1553112 796632 8.68 564168 1303896 45736 01:50:25 5198548 7398752 368304 4.53 86780 2273884 633096 6.90 600844 2036200 260 Average: 6060788 7492204 317972 3.91 42113 1586533 592565 6.45 492101 1346265 7782 00:50:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:25 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:25 ens3 0.59 0.06 0.07 0.03 0.00 0.00 0.00 0.00 01:10:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:16 ens3 1.09 0.06 12.16 0.03 0.00 0.00 0.00 0.00 01:20:25 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:25 ens3 0.49 0.11 0.12 0.06 0.00 0.00 0.00 0.00 01:30:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:06 ens3 0.29 0.06 0.08 0.03 0.00 0.00 0.00 0.00 01:40:25 lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 01:40:25 ens3 20.07 12.17 70.53 4.73 0.00 0.00 0.00 0.00 01:50:25 lo 1.26 1.26 0.08 0.08 0.00 0.00 0.00 0.00 01:50:25 ens3 93.06 63.73 254.87 13.35 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 19.30 12.72 56.44 3.05 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-27681) 06/16/26 _x86_64_ (2 CPU) 00:41:43 LINUX RESTART (2 CPU) 00:50:12 CPU %user %nice %system %iowait %steal %idle 01:00:25 all 0.29 0.00 0.16 0.14 0.03 99.37 01:00:25 0 0.09 0.00 0.18 0.06 0.03 99.64 01:00:25 1 0.49 0.00 0.15 0.23 0.03 99.11 01:10:16 all 0.29 0.00 0.07 0.01 0.03 99.60 01:10:16 0 0.11 0.00 0.09 0.01 0.03 99.76 01:10:16 1 0.48 0.00 0.05 0.01 0.02 99.44 01:20:25 all 0.26 0.00 0.07 0.01 0.02 99.63 01:20:25 0 0.07 0.00 0.09 0.01 0.03 99.80 01:20:25 1 0.45 0.00 0.05 0.01 0.02 99.46 01:30:06 all 0.25 0.00 0.16 0.02 0.03 99.54 01:30:06 0 0.14 0.00 0.18 0.00 0.03 99.65 01:30:06 1 0.37 0.00 0.14 0.03 0.03 99.43 01:40:25 all 1.55 0.00 0.29 0.10 0.04 98.03 01:40:25 0 1.36 0.00 0.29 0.09 0.04 98.21 01:40:25 1 1.73 0.00 0.28 0.11 0.03 97.84 01:50:25 all 13.03 0.00 1.81 6.44 0.06 78.67 01:50:25 0 13.70 0.00 1.74 4.19 0.06 80.31 01:50:25 1 12.36 0.00 1.87 8.69 0.06 77.02 Average: all 2.61 0.00 0.43 1.12 0.03 95.82 Average: 0 2.57 0.00 0.43 0.72 0.04 96.24 Average: 1 2.64 0.00 0.43 1.51 0.03 95.39