---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-37123 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: 5599.94 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 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 768 5184 4 2282 7173 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:4f:87:a3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.239/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82074sec preferred_lft 82074sec inet6 fe80::f816:3eff:fe4f:87a3/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-37123) 07/19/26 _x86_64_ (2 CPU) 04:37:50 LINUX RESTART (2 CPU) 04:40:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 04:50:08 1.24 0.03 1.21 0.00 1.24 14.96 0.12 05:00:08 1.50 0.01 1.48 0.02 0.05 18.32 653.90 05:10:08 1.27 0.03 1.24 0.00 2.15 14.56 0.16 05:20:08 1.09 0.00 1.09 0.00 0.01 13.60 0.00 05:30:08 1.88 0.25 1.60 0.03 30.97 77.40 871.52 05:40:08 1.41 0.18 1.22 0.00 7.59 30.53 0.05 Average: 1.40 0.08 1.31 0.01 7.00 28.23 254.29 04:40:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 04:50:08 6292488 7539080 281176 3.46 30548 1421920 521252 5.68 446364 1183256 128 05:00:08 6280916 7528056 292216 3.59 30764 1422244 526636 5.74 446968 1183796 168 05:10:08 6281688 7529968 290240 3.57 30920 1423216 522368 5.69 446972 1184364 144 05:20:08 6280180 7528956 291240 3.58 31084 1423540 522368 5.69 447256 1184852 192 05:30:08 6242476 7518568 301092 3.70 31444 1450116 722852 7.87 462196 1203024 188 05:40:08 6241584 7525316 294224 3.62 31648 1457504 527448 5.74 462932 1209580 196 Average: 6269889 7528324 291698 3.59 31068 1433090 557154 6.07 452115 1191479 169 04:40:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 04:50:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:50:08 ens3 1.35 0.18 0.29 0.07 0.00 0.00 0.00 0.00 05:00:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:00:08 ens3 0.70 0.14 0.18 0.10 0.00 0.00 0.00 0.00 05:10:08 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 05:10:08 ens3 0.98 0.06 0.10 0.02 0.00 0.00 0.00 0.00 05:20:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:20:08 ens3 0.57 0.07 0.64 0.04 0.00 0.00 0.00 0.00 05:30:08 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 05:30:08 ens3 0.62 0.33 3.24 0.59 0.00 0.00 0.00 0.00 05:40:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:40:08 ens3 3.80 1.65 9.31 0.64 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 1.34 0.40 2.29 0.24 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-37123) 07/19/26 _x86_64_ (2 CPU) 04:37:50 LINUX RESTART (2 CPU) 04:40:08 CPU %user %nice %system %iowait %steal %idle 04:50:08 all 0.31 0.00 0.07 0.01 0.02 99.59 04:50:08 0 0.49 0.00 0.05 0.01 0.02 99.44 04:50:08 1 0.12 0.00 0.10 0.01 0.03 99.74 05:00:08 all 0.34 0.00 0.17 0.05 0.03 99.42 05:00:08 0 0.39 0.00 0.17 0.01 0.02 99.41 05:00:08 1 0.28 0.00 0.17 0.09 0.03 99.42 05:10:08 all 0.32 0.00 0.10 0.05 0.02 99.52 05:10:08 0 0.47 0.00 0.09 0.07 0.02 99.36 05:10:08 1 0.16 0.00 0.10 0.04 0.02 99.68 05:20:08 all 0.29 0.00 0.09 0.03 0.02 99.57 05:20:08 0 0.37 0.00 0.08 0.03 0.01 99.51 05:20:08 1 0.21 0.00 0.09 0.04 0.02 99.64 05:30:08 all 0.40 0.00 0.20 0.04 0.14 99.23 05:30:08 0 0.28 0.00 0.21 0.06 0.17 99.29 05:30:08 1 0.52 0.00 0.19 0.01 0.10 99.18 05:40:08 all 0.35 0.00 0.08 0.01 0.01 99.55 05:40:08 0 0.15 0.00 0.11 0.01 0.02 99.70 05:40:08 1 0.54 0.00 0.06 0.01 0.01 99.39 Average: all 0.33 0.00 0.12 0.03 0.04 99.48 Average: 0 0.36 0.00 0.12 0.03 0.04 99.45 Average: 1 0.31 0.00 0.12 0.03 0.04 99.51