---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-39516 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 756 5014 4 2471 7185 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:85:97:93 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.216/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82119sec preferred_lft 82119sec inet6 fe80::f816:3eff:fe85:9793/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-39516) 07/28/26 _x86_64_ (2 CPU) 01:48:56 LINUX RESTART (2 CPU) 01:50:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:14 1.44 0.03 1.40 0.02 1.24 18.01 654.22 02:10:14 1.78 0.26 1.49 0.02 32.08 75.83 0.95 02:20:03 1.17 0.00 1.15 0.02 0.01 14.35 1.22 02:30:14 1.44 0.00 1.41 0.03 0.00 17.84 429.60 02:40:14 1.25 0.00 1.24 0.02 0.00 14.92 1.20 02:50:14 1.22 0.00 1.21 0.02 0.00 14.57 1.20 Average: 1.39 0.05 1.32 0.02 5.56 25.93 182.63 01:50:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:14 6277992 7525396 294820 3.63 30680 1422604 521988 5.69 449184 1183484 216 02:10:14 6265484 7540540 279212 3.43 31056 1449512 521996 5.69 458368 1201692 220 02:20:03 6270636 7546212 273520 3.36 31244 1449836 521996 5.69 458400 1202204 212 02:30:14 6258640 7534768 284944 3.50 31456 1450164 522064 5.69 458316 1202744 188 02:40:14 6257664 7534376 285324 3.51 31640 1450556 522212 5.69 458712 1203256 132 02:50:14 6262228 7539484 280212 3.45 31848 1450880 522524 5.69 459208 1203788 136 Average: 6265441 7536796 283005 3.48 31321 1445592 522130 5.69 457031 1199528 184 01:50:14 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:14 ens3 2.03 0.13 0.35 0.04 0.00 0.00 0.00 0.00 02:10:14 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:10:14 ens3 0.59 0.24 3.22 0.03 0.00 0.00 0.00 0.00 02:20:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:03 ens3 0.38 0.03 5.17 0.01 0.00 0.00 0.00 0.00 02:30:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:14 ens3 0.45 0.03 0.99 0.01 0.00 0.00 0.00 0.00 02:40:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:14 ens3 0.26 0.06 0.06 0.03 0.00 0.00 0.00 0.00 02:50:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:14 ens3 0.37 0.17 0.10 0.48 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 0.68 0.11 1.64 0.10 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-39516) 07/28/26 _x86_64_ (2 CPU) 01:48:56 LINUX RESTART (2 CPU) 01:50:14 CPU %user %nice %system %iowait %steal %idle 02:00:14 all 0.34 0.00 0.16 0.04 0.03 99.44 02:00:14 0 0.30 0.00 0.16 0.04 0.03 99.48 02:00:14 1 0.38 0.00 0.16 0.04 0.03 99.40 02:10:14 all 0.37 0.00 0.10 0.06 0.03 99.44 02:10:14 0 0.37 0.00 0.11 0.06 0.03 99.43 02:10:14 1 0.37 0.00 0.10 0.06 0.03 99.45 02:20:03 all 0.21 0.00 0.07 0.03 0.03 99.66 02:20:03 0 0.06 0.00 0.08 0.02 0.03 99.81 02:20:03 1 0.37 0.00 0.07 0.04 0.03 99.50 02:30:14 all 0.27 0.00 0.15 0.03 0.03 99.51 02:30:14 0 0.28 0.00 0.13 0.01 0.03 99.54 02:30:14 1 0.26 0.00 0.17 0.05 0.03 99.48 02:40:14 all 0.26 0.00 0.07 0.05 0.03 99.59 02:40:14 0 0.46 0.00 0.07 0.02 0.02 99.44 02:40:14 1 0.06 0.00 0.08 0.08 0.04 99.75 02:50:14 all 0.23 0.00 0.08 0.03 0.03 99.63 02:50:14 0 0.40 0.00 0.06 0.01 0.02 99.51 02:50:14 1 0.06 0.00 0.10 0.06 0.03 99.76 Average: all 0.28 0.00 0.11 0.04 0.03 99.55 Average: 0 0.31 0.00 0.10 0.03 0.03 99.53 Average: 1 0.25 0.00 0.11 0.05 0.03 99.56