---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-771 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 8.1G 30G 22% / 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 780 5002 4 2461 7161 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:c9:d1:75 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.211/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81987sec preferred_lft 81987sec inet6 fe80::f816:3eff:fec9:d175/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-771) 07/31/26 _x86_64_ (2 CPU) 01:44:33 LINUX RESTART (2 CPU) 01:50:19 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:19 1.43 0.01 1.41 0.01 0.05 17.75 436.03 02:10:19 13.77 0.00 1.23 12.54 0.15 14.91 109185.69 02:20:19 1.25 0.02 1.24 0.00 1.37 14.71 0.12 02:30:09 1.96 0.25 1.69 0.02 31.19 79.34 664.63 02:40:19 1.20 0.00 1.20 0.00 0.00 14.78 0.00 02:50:11 14.28 1.53 11.82 0.93 113.41 1598.15 207.20 Average: 5.62 0.30 3.07 2.25 24.06 286.58 18458.02 01:50:19 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:19 6283464 7530144 290448 3.57 30632 1421924 527512 5.75 445544 1183528 168 02:10:19 6290804 7538036 282420 3.47 30796 1422300 527604 5.75 445700 1184040 124 02:20:19 6301492 7549572 270728 3.33 30968 1423088 527808 5.75 445980 1184536 144 02:30:09 6253104 7528544 291328 3.58 31344 1449560 527676 5.75 455100 1202772 124 02:40:19 6252124 7528172 291656 3.59 31488 1450028 530504 5.78 459144 1203248 152 02:50:11 5465044 7401068 378728 4.66 71704 2035576 619292 6.75 572796 1812652 227992 Average: 6141005 7512589 300885 3.70 37822 1533746 543399 5.92 470711 1295129 38117 01:50:19 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:19 ens3 0.99 0.04 0.09 0.01 0.00 0.00 0.00 0.00 02:10:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:19 ens3 0.43 0.04 0.06 0.01 0.00 0.00 0.00 0.00 02:20:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:19 ens3 0.31 0.06 0.07 0.03 0.00 0.00 0.00 0.00 02:30:09 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:30:09 ens3 0.51 0.22 3.31 0.05 0.00 0.00 0.00 0.00 02:40:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:19 ens3 6.21 3.93 4.10 3.42 0.00 0.00 0.00 0.00 02:50:11 lo 1.12 1.12 0.06 0.06 0.00 0.00 0.00 0.00 02:50:11 ens3 36.87 25.78 281.49 10.30 0.00 0.00 0.00 0.00 Average: lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 7.50 4.97 47.62 2.29 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-771) 07/31/26 _x86_64_ (2 CPU) 01:44:33 LINUX RESTART (2 CPU) 01:50:19 CPU %user %nice %system %iowait %steal %idle 02:00:19 all 0.27 0.00 0.17 2.30 0.03 97.22 02:00:19 0 0.08 0.00 0.18 3.37 0.04 96.32 02:00:19 1 0.46 0.00 0.16 1.23 0.03 98.12 02:10:19 all 0.24 0.00 0.08 0.13 0.03 99.52 02:10:19 0 0.33 0.00 0.08 0.24 0.03 99.32 02:10:19 1 0.15 0.00 0.09 0.01 0.03 99.72 02:20:19 all 0.26 0.00 0.08 0.01 0.03 99.62 02:20:19 0 0.13 0.00 0.09 0.01 0.04 99.74 02:20:19 1 0.39 0.00 0.07 0.02 0.03 99.49 02:30:09 all 0.43 0.00 0.19 0.02 0.03 99.33 02:30:09 0 0.31 0.00 0.23 0.03 0.03 99.40 02:30:09 1 0.55 0.00 0.16 0.01 0.02 99.26 02:40:19 all 0.39 0.00 0.10 0.01 0.03 99.47 02:40:19 0 0.27 0.00 0.11 0.00 0.03 99.58 02:40:19 1 0.51 0.00 0.10 0.01 0.03 99.35 02:50:11 all 6.33 0.00 0.89 1.46 0.04 91.28 02:50:11 0 6.01 0.00 0.82 0.81 0.04 92.32 02:50:11 1 6.65 0.00 0.96 2.11 0.04 90.24 Average: all 1.31 0.00 0.25 0.65 0.03 97.76 Average: 0 1.18 0.00 0.25 0.74 0.03 97.80 Average: 1 1.44 0.00 0.25 0.56 0.03 97.72