---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-23819 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 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 751 5226 4 2255 7190 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:33:3b:bd brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.118/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82327sec preferred_lft 82327sec inet6 fe80::f816:3eff:fe33:3bbd/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-23819) 06/05/26 _x86_64_ (2 CPU) 00:39:42 LINUX RESTART (2 CPU) 00:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:25 5.67 3.20 2.42 0.05 401.04 163.58 211.22 01:00:05 1.56 0.01 1.53 0.02 0.06 18.95 1.06 01:10:25 1.37 0.00 1.35 0.02 0.00 16.14 1.16 01:20:25 1.43 0.00 1.41 0.02 0.01 16.96 1.23 01:30:25 1.71 0.00 1.68 0.03 0.00 20.27 1.56 01:40:19 1.84 0.44 1.37 0.02 17.00 85.87 1.28 Average: 2.28 0.63 1.63 0.03 71.97 54.29 37.47 00:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:25 6261472 7535056 285380 3.51 30672 1448244 529656 5.77 453176 1200080 128 01:00:05 6266832 7540992 279388 3.44 30892 1448576 529784 5.77 453120 1200632 232 01:10:25 6266580 7541284 279084 3.43 31100 1448904 529880 5.77 453684 1201168 132 01:20:25 6270912 7546156 274148 3.37 31320 1449232 585112 6.37 458976 1201712 192 01:30:25 6260856 7536800 283548 3.49 31544 1449688 530036 5.77 454004 1202268 132 01:40:19 6215004 7517820 302076 3.71 32100 1475604 554828 6.04 478260 1227224 584 Average: 6256943 7536351 283937 3.49 31271 1453375 543216 5.92 458537 1205514 233 00:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:25 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 00:50:25 ens3 13.81 6.59 37.28 1.72 0.00 0.00 0.00 0.00 01:00:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:05 ens3 0.49 0.07 0.07 0.03 0.00 0.00 0.00 0.00 01:10:25 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:25 ens3 1.23 0.19 0.47 0.18 0.00 0.00 0.00 0.00 01:20:25 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:25 ens3 0.49 0.08 0.10 0.05 0.00 0.00 0.00 0.00 01:30:25 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:25 ens3 0.30 0.07 0.08 0.04 0.00 0.00 0.00 0.00 01:40:19 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:40:19 ens3 13.45 8.16 41.43 3.93 0.00 0.00 0.00 0.00 Average: lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 5.01 2.54 13.35 0.99 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-23819) 06/05/26 _x86_64_ (2 CPU) 00:39:42 LINUX RESTART (2 CPU) 00:40:01 CPU %user %nice %system %iowait %steal %idle 00:50:25 all 0.80 0.00 0.31 1.12 0.02 97.75 00:50:25 0 0.70 0.00 0.35 1.25 0.02 97.67 00:50:25 1 0.91 0.00 0.27 0.98 0.02 97.82 01:00:05 all 0.28 0.00 0.17 0.01 0.02 99.52 01:00:05 0 0.19 0.00 0.18 0.01 0.02 99.60 01:00:05 1 0.38 0.00 0.16 0.01 0.02 99.43 01:10:25 all 0.25 0.00 0.07 0.01 0.02 99.65 01:10:25 0 0.09 0.00 0.08 0.02 0.02 99.79 01:10:25 1 0.41 0.00 0.07 0.00 0.01 99.51 01:20:25 all 0.27 0.00 0.08 0.01 0.02 99.63 01:20:25 0 0.06 0.00 0.10 0.01 0.03 99.81 01:20:25 1 0.48 0.00 0.06 0.02 0.01 99.44 01:30:25 all 0.27 0.00 0.16 0.01 0.02 99.53 01:30:25 0 0.08 0.00 0.17 0.01 0.03 99.72 01:30:25 1 0.47 0.00 0.15 0.02 0.02 99.35 01:40:19 all 0.62 0.00 0.12 0.02 0.02 99.22 01:40:19 0 0.44 0.00 0.16 0.01 0.03 99.36 01:40:19 1 0.79 0.00 0.08 0.02 0.01 99.09 Average: all 0.42 0.00 0.15 0.20 0.02 99.21 Average: 0 0.26 0.00 0.17 0.22 0.02 99.32 Average: 1 0.57 0.00 0.13 0.18 0.02 99.10