---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-39065 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 8.1G 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 754 5014 4 2473 7187 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:4a:c8:2f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.16/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81998sec preferred_lft 81998sec inet6 fe80::f816:3eff:fe4a:c82f/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-39065) 07/26/26 _x86_64_ (2 CPU) 02:37:04 LINUX RESTART (2 CPU) 02:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:50:01 13.98 0.03 1.40 12.55 1.39 16.56 109346.32 03:00:15 1.58 0.01 1.56 0.02 0.05 18.74 851.48 03:10:01 1.22 0.00 1.22 0.00 0.00 14.39 0.12 03:20:01 1.76 0.25 1.50 0.01 30.98 75.56 0.17 03:30:05 1.57 0.00 1.55 0.02 1.05 18.98 649.19 03:40:01 1.27 0.00 1.27 0.00 0.00 15.21 0.00 03:50:01 28.69 2.92 22.10 3.66 231.22 3727.44 939.84 Average: 7.15 0.46 4.37 2.32 37.82 555.41 15951.05 02:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:50:01 6292944 7540728 280048 3.44 30572 1422912 521564 5.68 446672 1183404 232 03:00:15 6281472 7529876 290832 3.58 30800 1423276 522712 5.69 444116 1183988 212 03:10:01 6303456 7552332 268380 3.30 30972 1423564 522916 5.70 444192 1184456 272 03:20:01 6254252 7530468 289636 3.56 31344 1450160 723268 7.88 458680 1202660 240 03:30:05 6251836 7529048 291024 3.58 31532 1450936 523056 5.70 453728 1203180 312 03:40:01 6251332 7529036 291044 3.58 31692 1451256 523248 5.70 454096 1203664 160 03:50:01 5145572 7369136 397060 4.88 90528 2292404 629244 6.85 618408 2056452 30516 Average: 6111552 7511518 301146 3.70 39634 1559215 566573 6.17 474270 1316829 4563 02:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:01 ens3 1.50 0.10 0.29 0.04 0.00 0.00 0.00 0.00 03:00:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:15 ens3 0.54 0.07 0.10 0.06 0.00 0.00 0.00 0.00 03:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:01 ens3 0.32 0.03 0.06 0.01 0.00 0.00 0.00 0.00 03:20:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 03:20:01 ens3 0.90 0.49 3.26 0.05 0.00 0.00 0.00 0.00 03:30:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:05 ens3 0.37 0.08 0.12 0.06 0.00 0.00 0.00 0.00 03:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:01 ens3 0.48 0.21 0.10 0.59 0.00 0.00 0.00 0.00 03:50:01 lo 1.39 1.39 0.09 0.09 0.00 0.00 0.00 0.00 03:50:01 ens3 106.36 74.64 336.86 19.68 0.00 0.00 0.00 0.00 Average: lo 1.06 1.06 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 15.78 10.81 48.69 2.93 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-39065) 07/26/26 _x86_64_ (2 CPU) 02:37:04 LINUX RESTART (2 CPU) 02:40:01 CPU %user %nice %system %iowait %steal %idle 02:50:01 all 0.32 0.00 0.11 0.07 0.02 99.48 02:50:01 0 0.12 0.00 0.12 0.09 0.03 99.65 02:50:01 1 0.51 0.00 0.10 0.05 0.02 99.32 03:00:15 all 0.31 0.00 0.18 0.04 0.02 99.45 03:00:15 0 0.33 0.00 0.15 0.04 0.02 99.46 03:00:15 1 0.30 0.00 0.20 0.03 0.02 99.45 03:10:01 all 0.25 0.00 0.09 0.02 0.02 99.62 03:10:01 0 0.45 0.00 0.08 0.01 0.02 99.44 03:10:01 1 0.06 0.00 0.10 0.02 0.02 99.80 03:20:01 all 0.35 0.00 0.11 0.02 0.02 99.49 03:20:01 0 0.61 0.00 0.11 0.03 0.02 99.23 03:20:01 1 0.10 0.00 0.11 0.01 0.03 99.75 03:30:05 all 0.30 0.00 0.18 0.01 0.02 99.49 03:30:05 0 0.30 0.00 0.17 0.00 0.02 99.50 03:30:05 1 0.29 0.00 0.18 0.02 0.02 99.49 03:40:01 all 0.24 0.00 0.09 0.01 0.03 99.63 03:40:01 0 0.07 0.00 0.10 0.02 0.04 99.78 03:40:01 1 0.40 0.00 0.08 0.00 0.03 99.49 03:50:01 all 16.32 0.00 2.25 0.76 0.06 80.61 03:50:01 0 18.39 0.00 2.33 1.04 0.06 78.18 03:50:01 1 14.25 0.00 2.17 0.48 0.06 83.04 Average: all 2.58 0.00 0.43 0.13 0.03 96.83 Average: 0 2.90 0.00 0.44 0.18 0.03 96.46 Average: 1 2.27 0.00 0.42 0.09 0.03 97.19