---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-1387 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 748 5294 4 2186 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:f7:b2:3c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.34/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82171sec preferred_lft 82171sec inet6 fe80::f816:3eff:fef7:b23c/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-1387) 04/09/26 _x86_64_ (2 CPU) 01:47:18 LINUX RESTART (2 CPU) 01:50:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:06 1.52 0.02 1.47 0.02 1.24 18.14 872.02 02:10:00 1.17 0.01 1.15 0.02 0.05 14.21 1.10 02:20:07 1.28 0.00 1.26 0.02 0.01 15.07 1.08 02:30:07 1.54 0.00 1.51 0.03 0.00 18.31 872.47 02:40:00 1.94 0.32 1.59 0.03 39.47 73.59 1.31 02:50:02 1.89 0.40 1.47 0.02 16.78 48.44 1.25 Average: 1.55 0.13 1.41 0.02 9.54 31.22 291.88 01:50:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:06 6287640 7538272 281836 3.47 30640 1425624 535096 5.83 442472 1187156 176 02:10:00 6290644 7541840 278264 3.42 30872 1425956 535096 5.83 442636 1187720 152 02:20:07 6289692 7541432 278652 3.43 31084 1426284 535096 5.83 442668 1188256 180 02:30:07 6286172 7538460 281612 3.46 31296 1426608 535096 5.83 442572 1188796 132 02:40:00 6248120 7529184 290316 3.57 31696 1454624 733460 7.99 459888 1206140 148 02:50:02 6223472 7520072 299224 3.68 32056 1469712 550748 6.00 491640 1219628 280 Average: 6270957 7534877 284984 3.50 31274 1438135 570765 6.22 453646 1196283 178 01:50:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:06 ens3 0.75 0.05 0.10 0.03 0.00 0.00 0.00 0.00 02:10:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:00 ens3 0.40 0.03 0.05 0.01 0.00 0.00 0.00 0.00 02:20:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:07 ens3 0.81 0.02 5.62 0.01 0.00 0.00 0.00 0.00 02:30:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:07 ens3 0.21 0.03 0.05 0.01 0.00 0.00 0.00 0.00 02:40:00 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:40:00 ens3 0.48 0.21 3.12 0.05 0.00 0.00 0.00 0.00 02:50:02 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 02:50:02 ens3 9.94 4.44 20.05 2.94 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 2.11 0.80 4.85 0.51 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1387) 04/09/26 _x86_64_ (2 CPU) 01:47:18 LINUX RESTART (2 CPU) 01:50:05 CPU %user %nice %system %iowait %steal %idle 02:00:06 all 0.25 0.00 0.18 0.01 0.04 99.52 02:00:06 0 0.09 0.00 0.19 0.01 0.04 99.67 02:00:06 1 0.42 0.00 0.17 0.02 0.03 99.36 02:10:00 all 0.25 0.00 0.08 0.01 0.03 99.64 02:10:00 0 0.06 0.00 0.09 0.01 0.03 99.80 02:10:00 1 0.43 0.00 0.07 0.01 0.03 99.47 02:20:07 all 0.23 0.00 0.08 0.88 0.03 98.79 02:20:07 0 0.06 0.00 0.09 1.74 0.03 98.08 02:20:07 1 0.40 0.00 0.07 0.02 0.03 99.49 02:30:07 all 0.26 0.00 0.16 0.01 0.04 99.53 02:30:07 0 0.31 0.00 0.17 0.01 0.03 99.49 02:30:07 1 0.20 0.00 0.16 0.02 0.04 99.57 02:40:00 all 0.34 0.00 0.11 0.03 0.04 99.49 02:40:00 0 0.30 0.00 0.11 0.03 0.04 99.53 02:40:00 1 0.39 0.00 0.10 0.03 0.04 99.44 02:50:02 all 0.55 0.00 0.09 0.02 0.04 99.31 02:50:02 0 0.39 0.00 0.10 0.01 0.04 99.46 02:50:02 1 0.70 0.00 0.08 0.03 0.03 99.15 Average: all 0.31 0.00 0.12 0.16 0.03 99.38 Average: 0 0.20 0.00 0.12 0.30 0.04 99.34 Average: 1 0.42 0.00 0.11 0.02 0.03 99.41