---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-8207 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 745 5311 4 2173 7196 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:98:8d:b7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.54/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82011sec preferred_lft 82011sec inet6 fe80::f816:3eff:fe98:8db7/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-8207) 03/23/26 _x86_64_ (2 CPU) 01:52:30 LINUX RESTART (2 CPU) 02:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:16 1.23 0.01 1.22 0.00 0.05 15.09 0.23 02:20:01 1.18 0.00 1.17 0.00 0.01 13.96 0.00 02:30:01 1.35 0.00 1.34 0.01 0.00 16.29 435.70 02:40:17 13.56 0.00 1.33 12.23 0.14 16.05 106337.34 02:50:18 1.20 0.00 1.20 0.00 0.00 14.71 0.00 03:00:01 20.25 3.05 15.15 2.05 230.52 2541.53 821.66 Average: 6.43 0.50 3.50 2.43 37.38 424.53 18394.58 02:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:16 6242944 7522376 297604 3.66 30944 1453756 526424 5.73 455004 1204040 180 02:20:01 6242944 7522880 297108 3.65 31116 1454084 526588 5.74 455224 1204540 136 02:30:01 6243276 7523764 296068 3.64 31304 1454424 526620 5.74 455304 1205060 184 02:40:17 6251116 7532148 287676 3.54 31472 1454784 526620 5.74 455400 1205568 132 02:50:18 6251116 7532776 287044 3.53 31636 1455240 526620 5.74 455636 1206060 184 03:00:01 5271604 7376972 395060 4.86 84348 2185536 693576 7.55 635544 1944128 168700 Average: 6083833 7501819 310093 3.81 40137 1576304 554408 6.04 485352 1328233 28253 02:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:16 ens3 0.86 0.04 0.10 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 0.37 0.03 0.05 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 0.30 0.04 0.05 0.01 0.00 0.00 0.00 0.00 02:40:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:17 ens3 0.33 0.05 0.08 0.03 0.00 0.00 0.00 0.00 02:50:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:18 ens3 0.20 0.02 0.04 0.01 0.00 0.00 0.00 0.00 03:00:01 lo 1.27 1.27 0.08 0.08 0.00 0.00 0.00 0.00 03:00:01 ens3 37.74 26.53 299.01 7.46 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 6.46 4.33 48.50 1.22 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-8207) 03/23/26 _x86_64_ (2 CPU) 01:52:30 LINUX RESTART (2 CPU) 02:00:01 CPU %user %nice %system %iowait %steal %idle 02:10:16 all 0.25 0.00 0.07 0.01 0.04 99.64 02:10:16 0 0.05 0.00 0.08 0.01 0.04 99.82 02:10:16 1 0.45 0.00 0.05 0.01 0.03 99.46 02:20:01 all 0.23 0.00 0.07 0.01 0.04 99.65 02:20:01 0 0.14 0.00 0.09 0.01 0.04 99.73 02:20:01 1 0.32 0.00 0.06 0.01 0.03 99.57 02:30:01 all 0.28 0.00 0.16 0.01 0.03 99.53 02:30:01 0 0.07 0.00 0.16 0.02 0.03 99.72 02:30:01 1 0.49 0.00 0.16 0.00 0.02 99.34 02:40:17 all 0.27 0.00 0.08 0.06 0.03 99.56 02:40:17 0 0.06 0.00 0.09 0.03 0.03 99.79 02:40:17 1 0.48 0.00 0.08 0.09 0.02 99.33 02:50:18 all 0.26 0.00 0.08 0.02 0.02 99.62 02:50:18 0 0.07 0.00 0.10 0.02 0.02 99.79 02:50:18 1 0.46 0.00 0.06 0.01 0.01 99.45 03:00:01 all 10.41 0.00 1.63 0.56 0.04 87.35 03:00:01 0 9.38 0.00 1.59 0.60 0.04 88.39 03:00:01 1 11.44 0.00 1.66 0.53 0.05 86.31 Average: all 1.90 0.00 0.34 0.11 0.03 97.62 Average: 0 1.58 0.00 0.34 0.11 0.03 97.93 Average: 1 2.22 0.00 0.34 0.11 0.03 97.31