---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-31969 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 756 5206 4 2271 7185 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:c8:20:2a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.83/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81525sec preferred_lft 81525sec inet6 fe80::f816:3eff:fec8:202a/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-31969) 07/01/26 _x86_64_ (2 CPU) 01:57:12 LINUX RESTART (2 CPU) 02:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:01 1.44 0.03 1.40 0.01 1.24 16.90 0.72 02:20:01 1.31 0.01 1.29 0.01 0.07 15.71 1.08 02:30:00 1.43 0.00 1.39 0.03 0.00 17.46 873.64 02:40:01 1.78 0.25 1.51 0.03 30.95 74.78 1.37 02:50:01 1.36 0.00 1.34 0.02 0.00 16.08 1.21 03:00:01 1.54 0.00 1.50 0.03 0.00 18.79 871.73 03:10:00 1.38 0.00 1.38 0.00 0.00 16.35 0.00 Average: 1.46 0.04 1.40 0.02 4.61 25.16 249.93 02:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:01 6279572 7531200 288928 3.55 30640 1426816 529324 5.77 449072 1187420 124 02:20:01 6279572 7531776 288336 3.55 30880 1427148 529332 5.77 449128 1187992 124 02:30:00 6281248 7533996 286164 3.52 31088 1427476 529536 5.77 449196 1188520 132 02:40:01 6234608 7514464 305228 3.75 31468 1453840 728028 7.93 464264 1206508 124 02:50:01 6240036 7520452 299196 3.68 31676 1454184 728160 7.93 464320 1207060 124 03:00:01 6235216 7516336 303168 3.73 31908 1454640 728284 7.93 464636 1207612 248 03:10:00 6234868 7516496 303000 3.73 32072 1454968 728316 7.93 465144 1208112 128 Average: 6255017 7523531 296289 3.64 31390 1442725 642997 7.00 457966 1199032 143 02:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 0.87 0.05 0.10 0.01 0.00 0.00 0.00 0.00 02:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 0.43 0.03 0.06 0.01 0.00 0.00 0.00 0.00 02:30:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:00 ens3 1.03 0.03 5.12 0.01 0.00 0.00 0.00 0.00 02:40:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:40:01 ens3 1.31 0.59 3.96 0.12 0.00 0.00 0.00 0.00 02:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:01 ens3 0.25 0.05 0.07 0.03 0.00 0.00 0.00 0.00 03:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:01 ens3 0.41 0.17 0.12 0.58 0.00 0.00 0.00 0.00 03:10:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:00 ens3 0.24 0.08 0.07 0.03 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 0.65 0.14 1.36 0.12 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-31969) 07/01/26 _x86_64_ (2 CPU) 01:57:12 LINUX RESTART (2 CPU) 02:00:01 CPU %user %nice %system %iowait %steal %idle 02:10:01 all 0.23 0.00 0.08 0.01 0.03 99.65 02:10:01 0 0.13 0.00 0.08 0.01 0.03 99.76 02:10:01 1 0.34 0.00 0.08 0.01 0.03 99.54 02:20:01 all 0.24 0.00 0.08 0.01 0.03 99.64 02:20:01 0 0.18 0.00 0.08 0.01 0.04 99.70 02:20:01 1 0.30 0.00 0.08 0.01 0.03 99.58 02:30:00 all 0.28 0.00 0.16 0.01 0.03 99.52 02:30:00 0 0.18 0.00 0.18 0.01 0.04 99.59 02:30:00 1 0.39 0.00 0.13 0.01 0.03 99.44 02:40:01 all 0.38 0.00 0.10 0.02 0.03 99.47 02:40:01 0 0.45 0.00 0.09 0.02 0.03 99.41 02:40:01 1 0.32 0.00 0.10 0.02 0.04 99.52 02:50:01 all 0.27 0.00 0.07 0.01 0.03 99.62 02:50:01 0 0.10 0.00 0.09 0.01 0.04 99.76 02:50:01 1 0.43 0.00 0.05 0.02 0.03 99.47 03:00:01 all 0.28 0.00 0.16 0.04 0.03 99.48 03:00:01 0 0.19 0.00 0.17 0.02 0.03 99.59 03:00:01 1 0.38 0.00 0.15 0.06 0.03 99.38 03:10:00 all 0.24 0.00 0.07 0.09 0.03 99.57 03:10:00 0 0.43 0.00 0.05 0.15 0.01 99.36 03:10:00 1 0.05 0.00 0.09 0.04 0.04 99.79 Average: all 0.28 0.00 0.10 0.03 0.03 99.56 Average: 0 0.24 0.00 0.10 0.03 0.03 99.60 Average: 1 0.32 0.00 0.10 0.02 0.03 99.53