---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-37920 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 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 769 5131 4 2333 7172 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:cf:02 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.39/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82236sec preferred_lft 82236sec inet6 fe80::f816:3eff:fe11:cf02/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-37920) 07/23/26 _x86_64_ (2 CPU) 01:48:15 LINUX RESTART (2 CPU) 01:50:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:03 1.69 0.03 1.65 0.02 1.24 19.69 872.63 02:10:03 1.36 0.01 1.34 0.02 0.05 16.05 1.20 02:20:01 1.37 0.00 1.35 0.02 0.01 15.76 1.20 02:30:01 1.55 0.00 1.52 0.03 0.00 18.71 872.56 02:40:02 1.24 0.00 1.22 0.02 0.00 14.87 1.20 02:50:02 1.70 0.26 1.41 0.03 32.00 74.80 1.39 Average: 1.49 0.05 1.41 0.02 5.56 26.66 291.79 01:50:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:03 6289532 7541400 279036 3.43 30644 1426816 530164 5.77 447748 1187504 180 02:10:03 6297120 7549544 270872 3.33 30860 1427160 530160 5.77 447788 1188056 240 02:20:01 6296448 7549412 271016 3.33 31072 1427476 530164 5.77 447728 1188592 124 02:30:01 6281256 7534756 285660 3.51 31284 1427788 530196 5.77 447856 1189116 124 02:40:02 6279240 7533296 287076 3.53 31488 1428136 530392 5.78 452176 1189664 256 02:50:02 6232888 7514668 305272 3.75 31852 1455140 530416 5.78 461504 1207832 192 Average: 6279414 7537179 283155 3.48 31200 1432086 530249 5.78 450800 1191794 186 01:50:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:03 ens3 1.87 0.10 0.34 0.04 0.00 0.00 0.00 0.00 02:10:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:03 ens3 0.37 0.03 0.04 0.01 0.00 0.00 0.00 0.00 02:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 0.82 0.03 6.82 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 0.18 0.03 0.03 0.01 0.00 0.00 0.00 0.00 02:40:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:02 ens3 0.27 0.05 0.08 0.03 0.00 0.00 0.00 0.00 02:50:02 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:50:02 ens3 0.53 0.26 3.28 0.07 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 0.67 0.08 1.76 0.03 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-37920) 07/23/26 _x86_64_ (2 CPU) 01:48:15 LINUX RESTART (2 CPU) 01:50:03 CPU %user %nice %system %iowait %steal %idle 02:00:03 all 0.33 0.00 0.17 0.01 0.03 99.46 02:00:03 0 0.32 0.00 0.17 0.02 0.03 99.46 02:00:03 1 0.33 0.00 0.16 0.01 0.04 99.46 02:10:03 all 0.25 0.00 0.07 0.01 0.03 99.63 02:10:03 0 0.06 0.00 0.08 0.01 0.04 99.82 02:10:03 1 0.45 0.00 0.07 0.01 0.03 99.44 02:20:01 all 0.22 0.00 0.07 0.01 0.03 99.66 02:20:01 0 0.32 0.00 0.08 0.01 0.04 99.56 02:20:01 1 0.13 0.00 0.07 0.01 0.03 99.77 02:30:01 all 0.26 0.00 0.17 0.01 0.03 99.52 02:30:01 0 0.30 0.00 0.17 0.01 0.03 99.48 02:30:01 1 0.23 0.00 0.17 0.01 0.04 99.56 02:40:02 all 0.29 0.00 0.07 0.01 0.03 99.60 02:40:02 0 0.31 0.00 0.07 0.01 0.03 99.58 02:40:02 1 0.27 0.00 0.07 0.01 0.04 99.62 02:50:02 all 0.37 0.00 0.10 0.02 0.03 99.48 02:50:02 0 0.51 0.00 0.08 0.03 0.02 99.36 02:50:02 1 0.22 0.00 0.11 0.02 0.04 99.61 Average: all 0.29 0.00 0.11 0.01 0.03 99.56 Average: 0 0.30 0.00 0.11 0.01 0.03 99.54 Average: 1 0.27 0.00 0.11 0.01 0.04 99.58