---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-6522 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 739 5313 4 2177 7202 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:58:6d:4c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.241/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81989sec preferred_lft 81989sec inet6 fe80::f816:3eff:fe58:6d4c/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-6522) 03/21/26 _x86_64_ (2 CPU) 00:40:49 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:08 1.59 0.01 1.56 0.01 0.05 18.51 431.43 01:10:37 1.33 0.00 1.31 0.02 0.00 15.33 1.26 01:20:01 1.32 0.00 1.30 0.02 0.01 15.11 1.15 01:30:18 2.25 0.34 1.87 0.04 41.02 75.21 636.15 01:40:38 1.21 0.00 1.19 0.02 0.00 14.78 1.16 01:50:01 24.05 3.20 18.48 2.37 240.81 3279.09 843.73 Average: 5.06 0.56 4.12 0.39 44.73 536.72 314.49 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:08 6291148 7538072 282132 3.47 30680 1421916 521656 5.68 442780 1183500 164 01:10:37 6290924 7538396 281832 3.47 30892 1422244 521832 5.68 442872 1184040 140 01:20:01 6290924 7538884 281272 3.46 31084 1422568 522172 5.69 443484 1184524 212 01:30:18 6246588 7524296 295276 3.63 31540 1451396 522228 5.69 455520 1201904 164 01:40:38 6254652 7533032 286536 3.52 31748 1451852 522292 5.69 455724 1202440 128 01:50:01 5365184 7469124 302416 3.72 85096 2182988 546676 5.95 545780 1941832 2368 Average: 6123237 7523634 288244 3.54 40173 1558827 526143 5.73 464360 1316373 529 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:08 ens3 1.24 0.16 0.26 0.14 0.00 0.00 0.00 0.00 01:10:37 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:37 ens3 0.49 0.05 0.61 0.04 0.00 0.00 0.00 0.00 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 0.66 0.28 0.31 0.84 0.00 0.00 0.00 0.00 01:30:18 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:30:18 ens3 0.47 0.24 2.98 0.05 0.00 0.00 0.00 0.00 01:40:38 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:38 ens3 0.38 0.07 0.11 0.05 0.00 0.00 0.00 0.00 01:50:01 lo 1.32 1.32 0.08 0.08 0.00 0.00 0.00 0.00 01:50:01 ens3 62.02 42.32 314.10 11.42 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 10.25 6.75 49.88 1.97 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-6522) 03/21/26 _x86_64_ (2 CPU) 00:40:49 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:08 all 0.32 0.00 0.19 0.01 0.04 99.44 01:00:08 0 0.36 0.00 0.16 0.01 0.04 99.43 01:00:08 1 0.27 0.00 0.21 0.01 0.04 99.46 01:10:37 all 0.22 0.00 0.07 0.02 0.04 99.65 01:10:37 0 0.33 0.00 0.06 0.02 0.04 99.56 01:10:37 1 0.11 0.00 0.09 0.02 0.04 99.75 01:20:01 all 0.15 0.00 0.07 0.01 0.03 99.74 01:20:01 0 0.07 0.00 0.07 0.01 0.04 99.81 01:20:01 1 0.23 0.00 0.06 0.01 0.03 99.67 01:30:18 all 0.38 0.00 0.20 1.28 0.04 98.10 01:30:18 0 0.51 0.00 0.19 0.24 0.03 99.02 01:30:18 1 0.25 0.00 0.21 2.32 0.04 97.18 01:40:38 all 0.22 0.00 0.07 0.02 0.03 99.66 01:40:38 0 0.24 0.00 0.05 0.03 0.02 99.66 01:40:38 1 0.21 0.00 0.08 0.01 0.04 99.66 01:50:01 all 11.16 0.00 1.74 0.93 0.06 86.11 01:50:01 0 9.66 0.00 1.63 1.05 0.06 87.59 01:50:01 1 12.66 0.00 1.84 0.81 0.06 84.63 Average: all 1.96 0.00 0.37 0.38 0.04 97.25 Average: 0 1.77 0.00 0.35 0.22 0.04 97.63 Average: 1 2.16 0.00 0.40 0.53 0.04 96.86