---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-10541 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 746 5301 4 2182 7195 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:83:76:e1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.167/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82015sec preferred_lft 82015sec inet6 fe80::f816:3eff:fe83:76e1/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-10541) 05/03/26 _x86_64_ (2 CPU) 00:42:15 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:02 1.92 0.26 1.64 0.03 30.98 75.17 435.63 01:10:02 13.93 0.01 1.36 12.56 1.20 16.96 109150.80 01:20:01 1.25 0.00 1.23 0.02 0.01 14.92 219.04 01:30:02 1.36 0.00 1.33 0.03 0.00 16.91 219.12 01:40:02 1.28 0.00 1.26 0.02 0.00 15.42 1.20 01:50:01 1.67 0.40 1.26 0.01 15.82 46.90 0.72 Average: 3.57 0.11 1.34 2.11 8.00 31.05 18336.05 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:02 6234048 7512024 307796 3.78 30956 1452288 724352 7.89 475744 1204648 164 01:10:02 6232620 7511536 308192 3.79 31192 1452980 585228 6.37 475788 1205244 240 01:20:01 6239212 7518676 301076 3.70 31412 1453300 530280 5.78 471052 1205788 260 01:30:02 6238164 7518184 301540 3.71 31620 1453628 530308 5.78 470988 1206324 124 01:40:02 6237924 7518612 301136 3.70 31824 1454088 530444 5.78 471692 1206860 240 01:50:01 6204300 7501148 318252 3.91 32152 1469816 571528 6.23 509860 1221284 1380 Average: 6231045 7513363 306332 3.77 31526 1456017 578690 6.30 479187 1208358 401 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:02 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:00:02 ens3 1.21 0.24 3.20 0.05 0.00 0.00 0.00 0.00 01:10:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:02 ens3 1.49 0.05 6.74 0.03 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 0.54 0.08 0.13 0.06 0.00 0.00 0.00 0.00 01:30:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:02 ens3 0.45 0.05 0.09 0.03 0.00 0.00 0.00 0.00 01:40:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:02 ens3 0.60 0.22 0.13 0.53 0.00 0.00 0.00 0.00 01:50:01 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:50:01 ens3 8.30 5.55 25.94 2.66 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 2.10 1.03 6.03 0.56 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-10541) 05/03/26 _x86_64_ (2 CPU) 00:42:15 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:02 all 0.37 0.00 0.19 0.02 0.03 99.38 01:00:02 0 0.46 0.00 0.19 0.03 0.03 99.29 01:00:02 1 0.28 0.00 0.20 0.02 0.04 99.47 01:10:02 all 0.27 0.00 0.09 0.04 0.03 99.56 01:10:02 0 0.49 0.00 0.08 0.02 0.03 99.38 01:10:02 1 0.06 0.00 0.11 0.05 0.04 99.75 01:20:01 all 0.27 0.00 0.08 0.01 0.03 99.61 01:20:01 0 0.48 0.00 0.06 0.02 0.03 99.42 01:20:01 1 0.05 0.00 0.10 0.00 0.04 99.81 01:30:02 all 0.30 0.00 0.16 0.01 0.03 99.50 01:30:02 0 0.20 0.00 0.18 0.02 0.04 99.57 01:30:02 1 0.39 0.00 0.14 0.01 0.03 99.44 01:40:02 all 0.28 0.00 0.07 0.01 0.03 99.61 01:40:02 0 0.39 0.00 0.07 0.00 0.03 99.51 01:40:02 1 0.16 0.00 0.07 0.03 0.03 99.71 01:50:01 all 0.51 0.00 0.10 0.02 0.03 99.35 01:50:01 0 0.40 0.00 0.11 0.01 0.03 99.45 01:50:01 1 0.61 0.00 0.09 0.03 0.03 99.25 Average: all 0.33 0.00 0.11 0.02 0.03 99.50 Average: 0 0.40 0.00 0.11 0.02 0.03 99.44 Average: 1 0.26 0.00 0.12 0.02 0.03 99.57