---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-10546 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 751 5297 4 2181 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:1d:94:c2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.214/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82018sec preferred_lft 82018sec inet6 fe80::f816:3eff:fe1d:94c2/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-10546) 05/03/26 _x86_64_ (2 CPU) 00:42:17 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:02 1.59 0.01 1.57 0.02 0.05 18.59 653.15 01:10:02 1.33 0.00 1.32 0.02 0.00 15.35 1.20 01:20:01 1.37 0.00 1.35 0.02 0.01 15.83 1.09 01:30:02 14.65 0.25 1.84 12.56 31.09 77.46 109954.50 01:40:02 1.31 0.00 1.29 0.02 1.05 15.70 1.37 01:50:01 1.88 0.54 1.32 0.01 21.09 94.42 0.67 Average: 3.69 0.13 1.45 2.11 8.88 39.55 18448.54 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:02 6288444 7539200 281216 3.46 30736 1425672 522232 5.69 448704 1187452 232 01:10:02 6290572 7541856 278568 3.43 30928 1425988 522320 5.69 448808 1187972 176 01:20:01 6289848 7541660 278760 3.43 31128 1426312 522500 5.69 449216 1188496 240 01:30:02 6249392 7527928 291832 3.59 31500 1452292 716916 7.81 461636 1206056 240 01:40:02 6262332 7541840 277956 3.42 31704 1453056 522564 5.69 457224 1206584 184 01:50:01 6155644 7481612 335076 4.12 35988 1492568 583512 6.36 522160 1248576 10764 Average: 6256039 7529016 290568 3.57 31997 1445981 565007 6.15 464625 1204189 1973 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:02 ens3 1.00 0.06 0.13 0.03 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 1.44 0.07 6.73 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 0.09 0.13 0.06 0.00 0.00 0.00 0.00 01:30:02 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:30:02 ens3 0.72 0.23 3.16 0.05 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 0.53 0.08 0.12 0.05 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 20.61 11.05 50.77 4.39 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 4.14 1.93 10.17 0.77 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-10546) 05/03/26 _x86_64_ (2 CPU) 00:42:17 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:02 all 0.28 0.00 0.16 0.02 0.04 99.50 01:00:02 0 0.28 0.00 0.16 0.01 0.04 99.52 01:00:02 1 0.28 0.00 0.17 0.03 0.04 99.48 01:10:02 all 0.26 0.00 0.07 0.01 0.04 99.62 01:10:02 0 0.06 0.00 0.09 0.00 0.05 99.80 01:10:02 1 0.47 0.00 0.05 0.02 0.03 99.43 01:20:01 all 0.25 0.00 0.07 0.01 0.04 99.63 01:20:01 0 0.20 0.00 0.08 0.01 0.04 99.67 01:20:01 1 0.29 0.00 0.06 0.02 0.04 99.60 01:30:02 all 0.43 0.00 0.20 0.05 0.04 99.28 01:30:02 0 0.39 0.00 0.18 0.02 0.04 99.38 01:30:02 1 0.47 0.00 0.23 0.08 0.05 99.19 01:40:02 all 0.25 0.00 0.07 0.01 0.04 99.62 01:40:02 0 0.20 0.00 0.08 0.02 0.03 99.67 01:40:02 1 0.31 0.00 0.07 0.00 0.05 99.57 01:50:01 all 0.68 0.00 0.16 0.02 0.04 99.10 01:50:01 0 0.51 0.00 0.20 0.03 0.04 99.23 01:50:01 1 0.85 0.00 0.13 0.02 0.04 98.97 Average: all 0.36 0.00 0.12 0.02 0.04 99.46 Average: 0 0.27 0.00 0.13 0.01 0.04 99.55 Average: 1 0.44 0.00 0.12 0.03 0.04 99.37