---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-26554 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: 5600.00 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 751 5215 4 2266 7190 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:8e:11:8b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.213/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81908sec preferred_lft 81908sec inet6 fe80::f816:3eff:fe8e:118b/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-26554) 06/11/26 _x86_64_ (2 CPU) 00:42:11 LINUX RESTART (2 CPU) 00:50:40 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:21 1.40 0.01 1.38 0.02 0.06 16.94 450.91 01:10:51 1.71 0.24 1.44 0.03 30.50 71.05 1.47 01:20:51 1.25 0.00 1.25 0.00 0.01 14.92 0.24 01:30:11 14.98 0.00 1.52 13.46 0.16 18.67 117382.38 01:40:41 1.24 0.00 1.24 0.00 0.00 14.69 0.00 01:50:01 1.22 0.00 1.22 0.00 0.00 14.53 0.00 Average: 3.51 0.05 1.34 2.12 5.43 25.67 18535.87 00:50:40 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:21 6310728 7558088 262580 3.23 30648 1422384 519208 5.66 439576 1183612 188 01:10:51 6250236 7524720 295484 3.63 31040 1448768 519408 5.66 449096 1201308 132 01:20:51 6250236 7525208 295036 3.63 31188 1449100 519600 5.66 449180 1201792 128 01:30:11 6272168 7547692 272440 3.35 31360 1449444 519608 5.66 449244 1202280 184 01:40:41 6268844 7545004 275152 3.38 31512 1449924 521532 5.68 449748 1202784 128 01:50:01 6272620 7549232 270908 3.33 31656 1450224 521664 5.68 450084 1203228 124 Average: 6270805 7541657 278600 3.43 31234 1444974 520170 5.67 447821 1199167 147 00:50:40 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:21 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:21 ens3 0.61 0.08 0.09 0.04 0.00 0.00 0.00 0.00 01:10:51 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:10:51 ens3 0.94 0.45 3.05 0.06 0.00 0.00 0.00 0.00 01:20:51 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:51 ens3 0.51 0.10 0.13 0.06 0.00 0.00 0.00 0.00 01:30:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:11 ens3 0.29 0.05 0.08 0.04 0.00 0.00 0.00 0.00 01:40:41 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:41 ens3 0.39 0.10 0.11 0.06 0.00 0.00 0.00 0.00 01:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:01 ens3 0.42 0.23 0.12 0.67 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 0.53 0.17 0.63 0.15 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-26554) 06/11/26 _x86_64_ (2 CPU) 00:42:11 LINUX RESTART (2 CPU) 00:50:40 CPU %user %nice %system %iowait %steal %idle 01:00:21 all 0.30 0.00 0.16 0.01 0.02 99.51 01:00:21 0 0.09 0.00 0.18 0.00 0.02 99.71 01:00:21 1 0.50 0.00 0.14 0.02 0.02 99.31 01:10:51 all 0.34 0.00 0.11 0.02 0.03 99.51 01:10:51 0 0.24 0.00 0.12 0.02 0.03 99.59 01:10:51 1 0.44 0.00 0.09 0.02 0.02 99.43 01:20:51 all 0.26 0.00 0.07 0.03 0.03 99.61 01:20:51 0 0.12 0.00 0.08 0.05 0.03 99.73 01:20:51 1 0.39 0.00 0.06 0.02 0.02 99.50 01:30:11 all 0.29 0.00 0.19 0.08 0.02 99.42 01:30:11 0 0.48 0.00 0.16 0.12 0.02 99.23 01:30:11 1 0.10 0.00 0.22 0.05 0.03 99.61 01:40:41 all 0.30 0.00 0.07 0.01 0.03 99.59 01:40:41 0 0.14 0.00 0.07 0.03 0.03 99.75 01:40:41 1 0.47 0.00 0.07 0.00 0.03 99.43 01:50:01 all 0.26 0.00 0.07 0.01 0.02 99.64 01:50:01 0 0.08 0.00 0.08 0.02 0.02 99.80 01:50:01 1 0.45 0.00 0.06 0.01 0.02 99.47 Average: all 0.29 0.00 0.11 0.03 0.02 99.55 Average: 0 0.19 0.00 0.11 0.04 0.02 99.64 Average: 1 0.40 0.00 0.11 0.02 0.02 99.46