---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-15968 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 5273 4 2188 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:4c:e6:08 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.107/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81414sec preferred_lft 81414sec inet6 fe80::f816:3eff:fe4c:e608/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-15968) 05/17/26 _x86_64_ (2 CPU) 01:35:41 LINUX RESTART (2 CPU) 01:40:13 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:50:13 2.04 0.28 1.74 0.01 33.27 76.05 0.35 02:00:13 1.74 0.03 1.68 0.03 2.20 20.45 436.93 02:10:13 1.34 0.00 1.32 0.02 0.00 15.63 1.20 02:20:13 14.16 0.01 1.59 12.57 0.16 18.91 109205.60 02:30:13 1.59 0.00 1.56 0.03 0.00 18.74 436.53 02:40:03 1.29 0.00 1.27 0.02 0.00 14.97 0.99 02:50:13 1.79 0.39 1.38 0.02 15.56 47.20 1.18 Average: 3.42 0.10 1.51 1.81 7.35 30.36 15716.27 01:40:13 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:50:13 6271004 7544324 275904 3.39 30796 1447880 527508 5.75 451048 1200376 216 02:00:13 6269068 7543648 276460 3.40 31040 1448852 531148 5.79 450804 1201032 132 02:10:13 6267908 7543016 277116 3.41 31248 1449168 531216 5.79 450752 1201556 132 02:20:13 6267404 7543148 276904 3.40 31492 1449556 586480 6.39 456040 1202152 160 02:30:13 6269944 7546416 273432 3.36 31720 1450016 586428 6.39 456276 1202704 188 02:40:03 6269944 7546952 272932 3.36 31916 1450340 586428 6.39 456200 1203236 220 02:50:13 6204796 7497064 322604 3.97 32260 1465036 627652 6.84 505968 1216760 284 Average: 6260010 7537795 282193 3.47 31496 1451550 568123 6.19 461013 1203974 190 01:40:13 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:50:13 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:50:13 ens3 1.39 0.26 3.19 0.03 0.00 0.00 0.00 0.00 02:00:13 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 02:00:13 ens3 0.55 0.08 0.10 0.04 0.00 0.00 0.00 0.00 02:10:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:13 ens3 0.61 0.04 3.45 0.01 0.00 0.00 0.00 0.00 02:20:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:13 ens3 0.31 0.03 0.06 0.01 0.00 0.00 0.00 0.00 02:30:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:13 ens3 0.27 0.03 0.05 0.01 0.00 0.00 0.00 0.00 02:40:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:03 ens3 0.43 0.07 0.09 0.03 0.00 0.00 0.00 0.00 02:50:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:13 ens3 9.26 6.02 23.52 3.08 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 1.85 0.95 4.41 0.47 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-15968) 05/17/26 _x86_64_ (2 CPU) 01:35:41 LINUX RESTART (2 CPU) 01:40:13 CPU %user %nice %system %iowait %steal %idle 01:50:13 all 0.35 0.00 0.12 0.04 0.02 99.46 01:50:13 0 0.35 0.00 0.13 0.06 0.03 99.43 01:50:13 1 0.35 0.00 0.10 0.03 0.02 99.50 02:00:13 all 0.35 0.00 0.19 0.11 0.02 99.33 02:00:13 0 0.14 0.00 0.20 0.08 0.02 99.56 02:00:13 1 0.56 0.00 0.17 0.14 0.02 99.11 02:10:13 all 0.27 0.00 0.08 0.08 0.20 99.37 02:10:13 0 0.11 0.00 0.09 0.04 0.20 99.57 02:10:13 1 0.43 0.00 0.07 0.13 0.21 99.16 02:20:13 all 0.28 0.00 0.11 0.15 0.02 99.46 02:20:13 0 0.23 0.00 0.09 0.06 0.02 99.61 02:20:13 1 0.32 0.00 0.12 0.24 0.02 99.31 02:30:13 all 0.27 0.00 0.18 0.15 0.03 99.37 02:30:13 0 0.35 0.00 0.16 0.22 0.02 99.25 02:30:13 1 0.20 0.00 0.20 0.08 0.04 99.49 02:40:03 all 0.28 0.00 0.09 0.03 0.05 99.55 02:40:03 0 0.19 0.00 0.08 0.01 0.05 99.68 02:40:03 1 0.37 0.00 0.10 0.06 0.05 99.42 02:50:13 all 0.56 0.00 0.13 0.07 0.11 99.13 02:50:13 0 0.43 0.00 0.11 0.03 0.20 99.23 02:50:13 1 0.69 0.00 0.15 0.12 0.02 99.02 Average: all 0.34 0.00 0.13 0.09 0.06 99.38 Average: 0 0.26 0.00 0.12 0.07 0.07 99.48 Average: 1 0.42 0.00 0.13 0.11 0.05 99.28