---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-4166 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 7.9G 30G 21% / 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 748 5310 4 2171 7193 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:fb:86:9a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.152/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82158sec preferred_lft 82158sec inet6 fe80::f816:3eff:fefb:869a/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-4166) 04/18/26 _x86_64_ (2 CPU) 01:57:01 LINUX RESTART (2 CPU) 02:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:27 1.57 0.02 1.54 0.00 1.19 1338.47 0.11 02:20:32 1.35 0.01 1.34 0.00 0.07 16.31 0.12 02:30:01 1.53 0.00 1.52 0.01 0.00 18.42 459.45 02:40:07 1.29 0.00 1.29 0.00 0.00 15.53 0.00 02:50:27 1.85 0.30 1.53 0.01 37.75 71.52 0.19 03:00:01 14.78 0.01 1.63 13.14 1.26 20.21 114586.34 Average: 3.63 0.06 1.47 2.10 6.92 256.60 18333.72 02:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:27 6301464 7545368 275620 3.39 30092 1420204 520240 5.67 442896 1182748 192 02:20:32 6301216 7545644 275424 3.39 30284 1420524 520396 5.67 443020 1183260 208 02:30:01 6293772 7538712 282332 3.47 30460 1420808 520484 5.67 443224 1183728 240 02:40:07 6301584 7547060 274020 3.37 30620 1421176 520572 5.67 443560 1184256 216 02:50:27 6247480 7521992 298276 3.67 30992 1449460 720556 7.85 461356 1201720 196 03:00:01 6259016 7534368 286016 3.52 31168 1450108 521248 5.68 456228 1202204 124 Average: 6284089 7538857 281948 3.47 30603 1430380 553916 6.03 448381 1189653 196 02:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:27 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:27 ens3 1.02 0.04 0.09 0.01 0.00 0.00 0.00 0.00 02:20:32 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:32 ens3 0.41 0.04 0.06 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 0.38 0.05 0.08 0.03 0.00 0.00 0.00 0.00 02:40:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:07 ens3 0.53 0.10 0.13 0.06 0.00 0.00 0.00 0.00 02:50:27 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:50:27 ens3 0.61 0.35 3.03 0.47 0.00 0.00 0.00 0.00 03:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:01 ens3 0.39 0.10 0.13 0.08 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 0.56 0.11 0.60 0.11 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-4166) 04/18/26 _x86_64_ (2 CPU) 01:57:01 LINUX RESTART (2 CPU) 02:00:01 CPU %user %nice %system %iowait %steal %idle 02:10:27 all 0.30 0.00 0.08 0.04 0.03 99.56 02:10:27 0 0.48 0.00 0.05 0.04 0.01 99.41 02:10:27 1 0.13 0.00 0.10 0.03 0.04 99.70 02:20:32 all 0.27 0.00 0.07 1.91 0.03 97.72 02:20:32 0 0.37 0.00 0.06 0.00 0.02 99.55 02:20:32 1 0.18 0.00 0.09 3.82 0.03 95.89 02:30:01 all 0.32 0.00 0.15 0.03 0.03 99.47 02:30:01 0 0.31 0.00 0.15 0.05 0.03 99.46 02:30:01 1 0.34 0.00 0.16 0.00 0.03 99.47 02:40:07 all 0.22 0.00 0.08 0.16 0.02 99.51 02:40:07 0 0.23 0.00 0.07 0.06 0.02 99.61 02:40:07 1 0.21 0.00 0.09 0.26 0.03 99.42 02:50:27 all 0.38 0.00 0.12 0.06 0.02 99.42 02:50:27 0 0.48 0.00 0.08 0.09 0.02 99.34 02:50:27 1 0.28 0.00 0.16 0.04 0.03 99.49 03:00:01 all 0.27 0.00 0.17 0.11 0.02 99.43 03:00:01 0 0.22 0.00 0.16 0.11 0.02 99.49 03:00:01 1 0.31 0.00 0.19 0.11 0.02 99.37 Average: all 0.29 0.00 0.11 0.39 0.02 99.18 Average: 0 0.35 0.00 0.09 0.06 0.02 99.48 Average: 1 0.24 0.00 0.13 0.71 0.03 98.89