---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-19202 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 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 759 5293 4 2177 7182 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:16:67:80 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.238/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82285sec preferred_lft 82285sec inet6 fe80::f816:3eff:fe16:6780/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-19202) 05/23/26 _x86_64_ (2 CPU) 01:57:09 LINUX RESTART (2 CPU) 02:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:26 1.26 0.02 1.23 0.00 1.19 15.17 0.12 02:20:01 1.22 0.01 1.19 0.01 0.07 14.77 1.00 02:30:01 1.39 0.00 1.36 0.03 0.00 16.92 436.83 02:40:26 1.21 0.00 1.19 0.02 0.00 14.87 1.15 02:50:01 1.87 0.29 1.55 0.03 34.59 77.12 1.43 03:00:01 1.30 0.00 1.28 0.02 0.00 16.21 436.39 Average: 1.37 0.05 1.30 0.02 5.74 25.40 146.26 02:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:26 6294316 7541132 279536 3.44 30592 1421952 529680 5.77 443536 1183276 216 02:20:01 6301152 7548492 272212 3.35 30804 1422248 531000 5.78 446600 1183792 124 02:30:01 6298252 7546152 274480 3.38 31016 1422572 531064 5.78 446644 1184328 124 02:40:26 6297496 7545988 274700 3.38 31240 1422932 531232 5.79 446964 1184912 168 02:50:01 6247408 7523352 296788 3.65 31616 1449648 727236 7.92 462040 1202680 124 03:00:01 6257840 7534524 285440 3.51 31852 1450108 727496 7.92 462760 1203244 252 Average: 6282744 7539940 280526 3.45 31187 1431577 596285 6.49 451424 1190372 168 02:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:26 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:26 ens3 1.09 0.04 0.09 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 0.44 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 0.86 0.07 1.75 0.03 0.00 0.00 0.00 0.00 02:40:26 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:26 ens3 0.47 0.09 0.25 0.06 0.00 0.00 0.00 0.00 02:50:01 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 02:50:01 ens3 0.62 0.31 3.36 0.08 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 0.51 0.23 0.17 0.59 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 0.13 0.93 0.13 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-19202) 05/23/26 _x86_64_ (2 CPU) 01:57:09 LINUX RESTART (2 CPU) 02:00:01 CPU %user %nice %system %iowait %steal %idle 02:10:26 all 0.27 0.00 0.08 0.02 0.02 99.62 02:10:26 0 0.07 0.00 0.08 0.01 0.02 99.82 02:10:26 1 0.46 0.00 0.07 0.03 0.02 99.42 02:20:01 all 0.29 0.00 0.08 0.03 0.02 99.58 02:20:01 0 0.17 0.00 0.09 0.02 0.02 99.71 02:20:01 1 0.42 0.00 0.07 0.05 0.01 99.45 02:30:01 all 0.29 0.00 0.16 0.01 0.08 99.46 02:30:01 0 0.30 0.00 0.17 0.01 0.07 99.46 02:30:01 1 0.28 0.00 0.16 0.01 0.09 99.46 02:40:26 all 0.26 0.00 0.08 0.01 0.02 99.63 02:40:26 0 0.20 0.00 0.07 0.01 0.01 99.71 02:40:26 1 0.33 0.00 0.08 0.02 0.02 99.55 02:50:01 all 0.46 0.00 0.13 0.02 0.01 99.38 02:50:01 0 0.48 0.00 0.10 0.03 0.01 99.37 02:50:01 1 0.43 0.00 0.15 0.01 0.02 99.39 03:00:01 all 0.30 0.00 0.17 0.01 0.02 99.51 03:00:01 0 0.17 0.00 0.19 0.01 0.02 99.61 03:00:01 1 0.44 0.00 0.14 0.01 0.01 99.40 Average: all 0.31 0.00 0.11 0.02 0.03 99.53 Average: 0 0.23 0.00 0.12 0.01 0.02 99.62 Average: 1 0.39 0.00 0.11 0.02 0.03 99.45