---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-19480 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 22% / 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 782 5096 4 2354 7159 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:11:4f:f7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.52/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82084sec preferred_lft 82084sec inet6 fe80::f816:3eff:fe11:4ff7/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-19480) 05/24/26 _x86_64_ (2 CPU) 00:41:54 LINUX RESTART (2 CPU) 00:50:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 1.65 0.01 1.63 0.01 0.05 19.58 655.79 01:10:03 1.34 0.00 1.34 0.00 0.00 15.57 0.00 01:20:03 1.36 0.00 1.36 0.00 0.01 16.13 0.12 01:30:01 1.51 0.00 1.50 0.01 0.00 18.12 655.24 01:40:03 14.31 0.25 1.53 12.53 31.05 74.16 108879.34 01:50:03 23.22 3.03 17.91 2.28 228.96 3562.96 679.13 Average: 7.24 0.55 4.21 2.48 43.36 617.77 18517.99 00:50:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6301712 7554036 266288 3.27 30760 1427152 521000 5.67 442960 1187616 280 01:10:03 6307884 7560696 259656 3.19 30912 1427488 521172 5.68 443272 1188104 232 01:20:03 6302660 7555992 264352 3.25 31096 1427816 521316 5.68 445752 1188616 184 01:30:01 6288716 7542536 277768 3.42 31276 1428144 521416 5.68 445680 1189096 152 01:40:03 6249348 7530188 289480 3.56 31616 1454432 744944 8.11 465148 1206828 324 01:50:03 5114300 7355600 393512 4.84 86684 2313304 872220 9.50 631760 2075068 372 Average: 6094103 7516508 291843 3.59 40391 1579723 617011 6.72 479095 1339221 257 00:50:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 0.64 0.10 0.09 0.04 0.00 0.00 0.00 0.00 01:10:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:03 ens3 0.87 0.05 5.27 0.03 0.00 0.00 0.00 0.00 01:20:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:03 ens3 0.56 0.08 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 0.40 0.06 0.08 0.03 0.00 0.00 0.00 0.00 01:40:03 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:40:03 ens3 0.94 0.46 3.28 0.62 0.00 0.00 0.00 0.00 01:50:03 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 01:50:03 ens3 79.25 61.50 346.04 15.29 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 13.78 10.37 59.15 2.68 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-19480) 05/24/26 _x86_64_ (2 CPU) 00:41:54 LINUX RESTART (2 CPU) 00:50:03 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.29 0.00 0.16 0.01 0.03 99.51 01:00:01 0 0.51 0.00 0.15 0.01 0.02 99.32 01:00:01 1 0.08 0.00 0.18 0.02 0.03 99.69 01:10:03 all 0.27 0.00 0.08 0.01 0.02 99.61 01:10:03 0 0.15 0.00 0.09 0.00 0.02 99.73 01:10:03 1 0.38 0.00 0.08 0.01 0.03 99.50 01:20:03 all 0.27 0.00 0.08 0.01 0.03 99.62 01:20:03 0 0.07 0.00 0.08 0.01 0.03 99.82 01:20:03 1 0.46 0.00 0.08 0.01 0.03 99.43 01:30:01 all 0.31 0.00 0.16 0.02 0.03 99.48 01:30:01 0 0.09 0.00 0.20 0.04 0.03 99.65 01:30:01 1 0.53 0.00 0.13 0.01 0.02 99.32 01:40:03 all 0.42 0.00 0.12 0.05 0.02 99.39 01:40:03 0 0.24 0.00 0.15 0.06 0.03 99.53 01:40:03 1 0.60 0.00 0.09 0.03 0.02 99.26 01:50:03 all 17.24 0.00 1.93 0.62 0.07 80.14 01:50:03 0 17.43 0.00 1.90 0.46 0.07 80.15 01:50:03 1 17.05 0.00 1.96 0.78 0.07 80.13 Average: all 3.13 0.00 0.42 0.12 0.03 96.30 Average: 0 3.08 0.00 0.42 0.10 0.03 96.37 Average: 1 3.18 0.00 0.42 0.14 0.03 96.23