---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-4715 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 733 5308 4 2188 7208 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:5a:3c:c9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.188/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81888sec preferred_lft 81888sec inet6 fe80::f816:3eff:fe5a:3cc9/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-4715) 04/20/26 _x86_64_ (2 CPU) 00:43:34 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 0.95 0.01 0.94 0.01 0.05 13.17 435.81 01:10:09 1.49 0.32 1.17 0.01 39.58 69.88 0.25 01:20:01 0.96 0.03 0.93 0.00 2.19 12.43 0.04 01:30:01 0.97 0.00 0.96 0.02 0.00 14.25 654.19 01:40:09 0.90 0.00 0.90 0.00 0.00 12.78 0.00 01:50:09 1.32 0.40 0.92 0.01 15.83 45.09 0.08 Average: 1.10 0.13 0.97 0.01 9.66 28.02 181.21 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6304248 7563308 257164 3.16 30724 1433892 540232 5.88 450648 1186996 52 01:10:09 6242944 7531224 288760 3.55 31080 1462364 540392 5.89 462192 1204448 4 01:20:01 6256016 7545444 274536 3.38 31244 1463340 540580 5.89 463340 1205028 168 01:30:01 6262204 7552160 267736 3.29 31436 1463652 540604 5.89 463272 1205532 160 01:40:09 6262204 7552676 267216 3.29 31600 1463996 540796 5.89 464176 1206040 8 01:50:09 6205756 7515376 304208 3.74 31904 1482572 584116 6.36 508576 1223268 4132 Average: 6255562 7543365 276603 3.40 31331 1461636 547787 5.97 468701 1205219 754 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 0.83 0.06 0.10 0.03 0.00 0.00 0.00 0.00 01:10:09 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:10:09 ens3 0.67 0.27 3.10 0.06 0.00 0.00 0.00 0.00 01:20:01 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 0.51 0.11 0.14 0.06 0.00 0.00 0.00 0.00 01:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 0.32 0.04 0.07 0.03 0.00 0.00 0.00 0.00 01:40:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:09 ens3 0.49 0.19 0.14 0.52 0.00 0.00 0.00 0.00 01:50:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:09 ens3 13.65 6.71 30.21 2.77 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 2.74 1.23 5.62 0.58 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-4715) 04/20/26 _x86_64_ (2 CPU) 00:43:34 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.29 0.00 0.16 0.01 0.02 99.51 01:00:01 0 0.39 0.00 0.15 0.02 0.02 99.43 01:00:01 1 0.20 0.00 0.18 0.00 0.03 99.60 01:10:09 all 0.37 0.00 0.12 0.02 0.03 99.47 01:10:09 0 0.38 0.00 0.11 0.03 0.03 99.46 01:10:09 1 0.36 0.00 0.13 0.01 0.02 99.47 01:20:01 all 0.25 0.00 0.09 0.01 0.03 99.63 01:20:01 0 0.23 0.00 0.10 0.01 0.03 99.64 01:20:01 1 0.27 0.00 0.07 0.01 0.03 99.62 01:30:01 all 0.27 0.00 0.17 0.01 0.02 99.53 01:30:01 0 0.36 0.00 0.15 0.01 0.02 99.46 01:30:01 1 0.18 0.00 0.19 0.01 0.03 99.59 01:40:09 all 0.25 0.00 0.07 0.01 0.02 99.66 01:40:09 0 0.19 0.00 0.07 0.00 0.02 99.71 01:40:09 1 0.30 0.00 0.07 0.01 0.02 99.61 01:50:09 all 0.49 0.00 0.11 0.01 0.02 99.36 01:50:09 0 0.31 0.00 0.10 0.00 0.03 99.55 01:50:09 1 0.67 0.00 0.12 0.02 0.02 99.17 Average: all 0.32 0.00 0.12 0.01 0.02 99.53 Average: 0 0.31 0.00 0.11 0.01 0.02 99.54 Average: 1 0.33 0.00 0.12 0.01 0.02 99.51