---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-3701 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: 5600.00 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 786 5177 4 2266 7155 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:21:e5:cf brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.95/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81380sec preferred_lft 81380sec inet6 fe80::f816:3eff:fe21:e5cf/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-3701) 04/17/26 _x86_64_ (2 CPU) 00:42:38 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:12 1.54 0.01 1.52 0.01 0.05 18.33 427.80 01:10:06 1.33 0.00 1.31 0.02 0.00 15.62 1.33 01:20:01 1.98 0.32 1.63 0.02 40.43 74.55 0.62 01:30:12 1.58 0.00 1.57 0.01 0.00 18.89 427.38 01:40:12 15.63 1.33 1.74 12.56 96.48 153.64 109131.75 01:50:01 21.60 1.75 17.58 2.27 135.02 3089.60 680.65 02:00:06 1.62 0.00 1.56 0.06 0.34 73.96 1.98 Average: 6.41 0.48 3.80 2.13 38.44 483.31 15789.59 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:12 6288188 7535180 285316 3.51 30680 1421980 521104 5.68 446540 1183508 232 01:10:06 6287936 7535476 285016 3.50 30892 1422308 521240 5.68 446964 1184048 292 01:20:01 6238768 7515500 304524 3.74 31264 1450752 521196 5.68 458748 1201492 304 01:30:12 6277608 7554888 265084 3.26 31456 1451080 521468 5.68 459020 1202012 136 01:40:12 6012380 7410024 402876 4.95 40236 1556816 628404 6.84 594672 1303760 52200 01:50:01 5258644 7376624 394992 4.86 85108 2196952 662420 7.22 629372 1955700 1080 02:00:06 5247116 7381312 390140 4.80 85284 2212984 665764 7.25 632768 1971808 652 Average: 5944377 7472715 332564 4.09 47846 1673267 577371 6.29 524012 1428904 7842 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:12 ens3 0.73 0.08 0.10 0.03 0.00 0.00 0.00 0.00 01:10:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:06 ens3 0.50 0.08 0.12 0.06 0.00 0.00 0.00 0.00 01:20:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 0.74 0.33 3.24 0.12 0.00 0.00 0.00 0.00 01:30:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:12 ens3 0.38 0.21 0.08 0.50 0.00 0.00 0.00 0.00 01:40:12 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:40:12 ens3 17.99 11.25 66.63 4.40 0.00 0.00 0.00 0.00 01:50:01 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 01:50:01 ens3 70.36 52.47 241.96 9.43 0.00 0.00 0.00 0.00 02:00:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:06 ens3 45.11 41.95 9.97 5.80 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 19.24 15.08 45.32 2.89 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-3701) 04/17/26 _x86_64_ (2 CPU) 00:42:38 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:12 all 0.30 0.00 0.17 0.01 0.02 99.50 01:00:12 0 0.24 0.00 0.16 0.01 0.02 99.57 01:00:12 1 0.37 0.00 0.18 0.00 0.02 99.43 01:10:06 all 0.25 0.00 0.08 0.02 0.02 99.64 01:10:06 0 0.07 0.00 0.09 0.02 0.02 99.80 01:10:06 1 0.43 0.00 0.06 0.01 0.02 99.48 01:20:01 all 0.35 0.00 0.12 0.02 0.02 99.49 01:20:01 0 0.22 0.00 0.13 0.03 0.02 99.60 01:20:01 1 0.49 0.00 0.10 0.02 0.02 99.37 01:30:12 all 0.26 0.00 0.15 0.02 0.02 99.56 01:30:12 0 0.38 0.00 0.13 0.03 0.01 99.45 01:30:12 1 0.13 0.00 0.17 0.00 0.02 99.68 01:40:12 all 1.24 0.00 0.25 0.07 0.02 98.43 01:40:12 0 1.96 0.00 0.25 0.09 0.01 97.69 01:40:12 1 0.51 0.00 0.25 0.04 0.03 99.17 01:50:01 all 14.06 0.00 1.74 0.47 0.05 83.68 01:50:01 0 16.38 0.00 1.70 0.34 0.05 81.52 01:50:01 1 11.74 0.00 1.78 0.59 0.05 85.84 02:00:06 all 6.31 0.00 0.58 0.01 0.05 93.04 02:00:06 0 4.09 0.00 0.56 0.01 0.05 95.29 02:00:06 1 8.54 0.00 0.61 0.01 0.06 90.78 Average: all 3.21 0.00 0.44 0.09 0.03 96.24 Average: 0 3.29 0.00 0.43 0.08 0.03 96.18 Average: 1 3.14 0.00 0.45 0.10 0.03 96.29