---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-36209 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 739 5201 4 2294 7202 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:1b:c9:1d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.247/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81644sec preferred_lft 81644sec inet6 fe80::f816:3eff:fe1b:c91d/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-36209) 07/16/26 _x86_64_ (2 CPU) 00:40:21 LINUX RESTART (2 CPU) 00:50:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:08 2.07 0.25 1.78 0.03 30.62 71.03 860.57 01:10:08 1.47 0.00 1.46 0.00 1.05 23.57 0.05 01:20:09 1.42 0.00 1.40 0.02 0.01 17.06 1.00 01:30:11 14.17 0.00 1.63 12.54 0.15 19.57 109369.43 01:40:08 1.39 0.00 1.37 0.02 0.00 16.52 1.33 01:50:09 1.36 0.00 1.36 0.00 0.00 16.40 0.36 Average: 3.65 0.04 1.50 2.10 5.36 27.45 18393.62 00:50:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:08 6250032 7528132 291912 3.59 30964 1452400 728412 7.93 458872 1205484 2276 01:10:08 6256796 7535724 284360 3.50 31136 1453040 528876 5.76 453844 1205984 132 01:20:09 6261108 7540616 279296 3.43 31364 1453380 585180 6.37 461364 1206540 144 01:30:11 6256360 7536540 283344 3.48 31584 1453804 530052 5.77 456076 1207104 136 01:40:08 6255988 7536840 283040 3.48 31796 1454256 530268 5.78 456612 1207640 132 01:50:09 6254560 7535928 283900 3.49 31984 1454584 530268 5.78 456660 1208148 188 Average: 6255807 7535630 284309 3.50 31471 1453577 572176 6.23 457238 1206817 501 00:50:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:08 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:00:08 ens3 0.84 0.28 3.32 0.05 0.00 0.00 0.00 0.00 01:10:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:08 ens3 1.01 0.04 8.53 0.03 0.00 0.00 0.00 0.00 01:20:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:09 ens3 0.45 0.08 0.11 0.06 0.00 0.00 0.00 0.00 01:30:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:11 ens3 0.29 0.06 0.10 0.03 0.00 0.00 0.00 0.00 01:40:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:08 ens3 0.47 0.20 0.12 0.58 0.00 0.00 0.00 0.00 01:50:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:09 ens3 0.29 0.08 0.10 0.06 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 0.56 0.12 2.05 0.14 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-36209) 07/16/26 _x86_64_ (2 CPU) 00:40:21 LINUX RESTART (2 CPU) 00:50:00 CPU %user %nice %system %iowait %steal %idle 01:00:08 all 0.39 0.00 0.20 0.06 0.02 99.34 01:00:08 0 0.59 0.00 0.21 0.10 0.01 99.08 01:00:08 1 0.19 0.00 0.18 0.01 0.03 99.59 01:10:08 all 0.28 0.00 0.07 0.04 0.02 99.58 01:10:08 0 0.07 0.00 0.09 0.06 0.02 99.76 01:10:08 1 0.50 0.00 0.06 0.02 0.02 99.41 01:20:09 all 0.27 0.00 0.08 0.06 0.02 99.56 01:20:09 0 0.07 0.00 0.09 0.09 0.02 99.72 01:20:09 1 0.48 0.00 0.08 0.03 0.02 99.40 01:30:11 all 0.27 0.00 0.17 0.11 0.02 99.43 01:30:11 0 0.17 0.00 0.20 0.18 0.02 99.43 01:30:11 1 0.38 0.00 0.15 0.03 0.02 99.43 01:40:08 all 0.28 0.00 0.06 0.06 0.02 99.57 01:40:08 0 0.06 0.00 0.08 0.05 0.02 99.80 01:40:08 1 0.49 0.00 0.05 0.08 0.02 99.35 01:50:09 all 0.26 0.00 0.07 0.06 0.02 99.59 01:50:09 0 0.26 0.00 0.07 0.08 0.02 99.57 01:50:09 1 0.27 0.00 0.06 0.04 0.02 99.61 Average: all 0.29 0.00 0.11 0.06 0.02 99.51 Average: 0 0.20 0.00 0.12 0.09 0.02 99.56 Average: 1 0.38 0.00 0.10 0.03 0.02 99.47