---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-33081 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 768 5192 4 2273 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:db:6a:d9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.128/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82122sec preferred_lft 82122sec inet6 fe80::f816:3eff:fedb:6ad9/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-33081) 07/05/26 _x86_64_ (2 CPU) 01:47:17 LINUX RESTART (2 CPU) 01:50:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:06 1.52 0.02 1.48 0.02 1.24 18.25 653.86 02:10:05 1.19 0.01 1.17 0.01 0.05 14.55 0.96 02:20:05 1.15 0.00 1.13 0.02 0.01 13.74 1.20 02:30:06 1.89 0.25 1.60 0.04 30.94 76.81 654.16 02:40:07 1.33 0.00 1.31 0.02 1.05 15.75 1.25 02:50:07 1.24 0.00 1.23 0.02 0.00 14.82 1.20 Average: 1.39 0.05 1.32 0.02 5.55 25.66 218.81 01:50:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:06 6284196 7535684 284668 3.50 30628 1426444 520972 5.67 448600 1187416 180 02:10:05 6290284 7542328 278020 3.42 30852 1426776 521036 5.68 448668 1187972 180 02:20:05 6289612 7542184 278156 3.42 31056 1427096 521204 5.68 448760 1188496 172 02:30:06 6251652 7531408 288440 3.55 31432 1453524 728404 7.93 463228 1206536 184 02:40:07 6251652 7532260 287560 3.54 31632 1454164 521204 5.68 458100 1207064 188 02:50:07 6250896 7532164 287648 3.54 31828 1454620 521332 5.68 458744 1207588 172 Average: 6269715 7536005 284082 3.49 31238 1440437 555692 6.05 454350 1197512 179 01:50:06 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 1.26 0.06 0.13 0.03 0.00 0.00 0.00 0.00 02:10:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:05 ens3 0.57 0.04 0.07 0.01 0.00 0.00 0.00 0.00 02:20:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:05 ens3 1.53 0.04 7.46 0.01 0.00 0.00 0.00 0.00 02:30:06 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:30:06 ens3 1.22 0.46 3.99 0.04 0.00 0.00 0.00 0.00 02:40:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:07 ens3 0.44 0.05 0.09 0.03 0.00 0.00 0.00 0.00 02:50:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:07 ens3 0.49 0.18 0.12 0.53 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 0.92 0.14 1.98 0.11 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-33081) 07/05/26 _x86_64_ (2 CPU) 01:47:17 LINUX RESTART (2 CPU) 01:50:06 CPU %user %nice %system %iowait %steal %idle 02:00:06 all 0.29 0.00 0.18 0.03 0.03 99.48 02:00:06 0 0.18 0.00 0.18 0.05 0.03 99.57 02:00:06 1 0.40 0.00 0.18 0.02 0.03 99.38 02:10:05 all 0.27 0.00 0.09 0.03 0.02 99.58 02:10:05 0 0.17 0.00 0.10 0.04 0.03 99.67 02:10:05 1 0.37 0.00 0.08 0.02 0.02 99.50 02:20:05 all 0.25 0.00 0.08 0.02 0.02 99.63 02:20:05 0 0.44 0.00 0.07 0.03 0.02 99.45 02:20:05 1 0.06 0.00 0.09 0.01 0.03 99.81 02:30:06 all 0.37 0.00 0.20 0.04 0.02 99.36 02:30:06 0 0.45 0.00 0.22 0.06 0.03 99.25 02:30:06 1 0.30 0.00 0.18 0.02 0.02 99.48 02:40:07 all 0.25 0.00 0.08 0.01 0.02 99.64 02:40:07 0 0.07 0.00 0.09 0.02 0.03 99.80 02:40:07 1 0.43 0.00 0.06 0.01 0.02 99.49 02:50:07 all 0.27 0.00 0.08 0.02 0.02 99.61 02:50:07 0 0.07 0.00 0.09 0.03 0.02 99.78 02:50:07 1 0.48 0.00 0.08 0.00 0.02 99.43 Average: all 0.28 0.00 0.12 0.03 0.02 99.55 Average: 0 0.23 0.00 0.12 0.04 0.02 99.59 Average: 1 0.34 0.00 0.11 0.01 0.02 99.51