---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-31750 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 735 5188 4 2310 7206 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:27:6e:75 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.66/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82083sec preferred_lft 82083sec inet6 fe80::f816:3eff:fe27:6e75/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-31750) 06/30/26 _x86_64_ (2 CPU) 01:46:35 LINUX RESTART (2 CPU) 01:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:01 1.96 0.28 1.65 0.03 32.21 77.80 654.50 02:10:13 13.58 0.01 1.26 12.30 1.23 15.88 106969.02 02:20:01 1.31 0.00 1.30 0.00 0.01 16.00 0.04 02:30:01 1.36 0.00 1.34 0.02 0.00 17.24 654.43 02:40:13 1.19 0.00 1.19 0.00 0.00 15.16 0.00 02:50:01 1.17 0.00 1.17 0.00 0.00 14.50 0.00 Average: 3.47 0.05 1.32 2.10 5.58 26.10 18406.41 01:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:01 6252740 7530960 289044 3.55 30844 1452608 726244 7.91 451076 1204916 128 02:10:13 6252740 7531864 288180 3.54 31044 1453300 527972 5.75 447380 1205460 232 02:20:01 6259320 7538968 280984 3.46 31232 1453628 583048 6.35 452632 1205976 216 02:30:01 6261800 7541956 278072 3.42 31396 1453948 527980 5.75 447372 1206468 192 02:40:13 6265532 7546316 273696 3.37 31568 1454408 528220 5.75 447736 1206964 176 02:50:01 6254316 7535596 284420 3.50 31720 1454736 528444 5.76 454752 1207452 276 Average: 6257741 7537610 282399 3.47 31301 1453771 570318 6.21 450158 1206206 203 01:50:01 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 1.25 0.23 3.25 0.05 0.00 0.00 0.00 0.00 02:10:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:13 ens3 0.38 0.05 0.05 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 1.72 0.05 9.90 0.02 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 0.37 0.04 0.55 0.01 0.00 0.00 0.00 0.00 02:40:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:13 ens3 0.32 0.05 0.07 0.03 0.00 0.00 0.00 0.00 02:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:01 ens3 0.37 0.08 0.10 0.05 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 0.73 0.08 2.29 0.03 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-31750) 06/30/26 _x86_64_ (2 CPU) 01:46:35 LINUX RESTART (2 CPU) 01:50:01 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 0.46 0.00 0.19 0.02 0.03 99.29 02:00:01 1 0.38 0.00 0.21 0.02 0.04 99.36 02:10:13 all 0.24 0.00 0.09 0.03 0.03 99.60 02:10:13 0 0.22 0.00 0.10 0.06 0.03 99.59 02:10:13 1 0.26 0.00 0.07 0.01 0.04 99.62 02:20:01 all 0.26 0.00 0.08 0.01 0.03 99.62 02:20:01 0 0.05 0.00 0.09 0.01 0.03 99.81 02:20:01 1 0.47 0.00 0.06 0.01 0.02 99.43 02:30:01 all 0.27 0.00 0.16 0.01 0.03 99.53 02:30:01 0 0.24 0.00 0.16 0.00 0.03 99.58 02:30:01 1 0.30 0.00 0.17 0.02 0.03 99.49 02:40:13 all 0.24 0.00 0.08 0.01 0.03 99.65 02:40:13 0 0.17 0.00 0.08 0.01 0.03 99.71 02:40:13 1 0.31 0.00 0.08 0.00 0.03 99.59 02:50:01 all 0.30 0.00 0.08 0.01 0.03 99.59 02:50:01 0 0.29 0.00 0.07 0.01 0.03 99.61 02:50:01 1 0.31 0.00 0.08 0.01 0.03 99.57 Average: all 0.29 0.00 0.11 0.01 0.03 99.55 Average: 0 0.24 0.00 0.12 0.02 0.03 99.60 Average: 1 0.34 0.00 0.11 0.01 0.03 99.51