---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-34709 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 8.1G 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 794 4984 4 2464 7147 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:fe:ce:77 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.228/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81740sec preferred_lft 81740sec inet6 fe80::f816:3eff:fefe:ce77/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-34709) 07/11/26 _x86_64_ (2 CPU) 01:41:58 LINUX RESTART (2 CPU) 01:50:27 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:01 2.03 0.27 1.74 0.03 32.40 73.37 455.90 02:10:35 1.39 0.00 1.37 0.02 1.00 23.10 1.20 02:20:45 1.39 0.00 1.39 0.00 0.01 16.16 0.24 02:30:01 1.58 0.00 1.56 0.01 0.00 18.85 0.33 02:40:45 1.33 0.00 1.33 0.00 0.00 15.88 0.00 02:50:11 1.38 0.00 1.38 0.00 0.00 16.48 0.00 Average: 1.51 0.04 1.45 0.01 5.37 26.97 73.38 01:50:27 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:01 6241780 7519724 300264 3.69 30880 1452360 729348 7.94 460384 1205196 2476 02:10:35 6255080 7533904 286036 3.52 31108 1453004 529972 5.77 455316 1205752 200 02:20:45 6260880 7540232 279700 3.44 31296 1453328 530128 5.77 455368 1206268 124 02:30:01 6255656 7535476 284396 3.50 31444 1453664 530128 5.77 455360 1206712 220 02:40:45 6258680 7539172 280744 3.45 31628 1454108 531432 5.79 456920 1207252 148 02:50:11 6258204 7539184 280724 3.45 31780 1454440 531560 5.79 457408 1207736 204 Average: 6255047 7534615 285311 3.51 31356 1453484 563761 6.14 456793 1206486 562 01:50:27 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 0.82 0.25 3.38 0.05 0.00 0.00 0.00 0.00 02:10:35 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:35 ens3 0.33 0.03 0.04 0.01 0.00 0.00 0.00 0.00 02:20:45 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:45 ens3 0.85 0.04 8.05 0.01 0.00 0.00 0.00 0.00 02:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 0.26 0.06 0.07 0.04 0.00 0.00 0.00 0.00 02:40:45 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:45 ens3 0.35 0.09 0.10 0.06 0.00 0.00 0.00 0.00 02:50:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:11 ens3 0.53 0.28 0.21 0.68 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 0.52 0.12 1.98 0.14 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-34709) 07/11/26 _x86_64_ (2 CPU) 01:41:58 LINUX RESTART (2 CPU) 01:50:27 CPU %user %nice %system %iowait %steal %idle 02:00:01 all 0.42 0.00 0.20 0.02 0.03 99.33 02:00:01 0 0.62 0.00 0.20 0.03 0.02 99.12 02:00:01 1 0.23 0.00 0.20 0.01 0.03 99.54 02:10:35 all 0.27 0.00 0.08 0.01 0.03 99.62 02:10:35 0 0.12 0.00 0.08 0.01 0.03 99.75 02:10:35 1 0.41 0.00 0.07 0.00 0.02 99.49 02:20:45 all 0.28 0.00 0.08 0.04 0.02 99.58 02:20:45 0 0.49 0.00 0.06 0.03 0.02 99.40 02:20:45 1 0.06 0.00 0.09 0.05 0.03 99.77 02:30:01 all 0.29 0.00 0.18 0.14 0.02 99.37 02:30:01 0 0.48 0.00 0.16 0.28 0.02 99.06 02:30:01 1 0.10 0.00 0.20 0.00 0.02 99.68 02:40:45 all 0.27 0.00 0.08 0.26 0.02 99.36 02:40:45 0 0.23 0.00 0.08 0.16 0.02 99.50 02:40:45 1 0.32 0.00 0.08 0.36 0.02 99.22 02:50:11 all 0.31 0.00 0.08 0.01 0.02 99.58 02:50:11 0 0.14 0.00 0.11 0.01 0.03 99.70 02:50:11 1 0.47 0.00 0.06 0.00 0.02 99.45 Average: all 0.30 0.00 0.11 0.08 0.02 99.48 Average: 0 0.34 0.00 0.12 0.09 0.02 99.43 Average: 1 0.27 0.00 0.11 0.08 0.02 99.52