---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-64984 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 761 5291 4 2177 7180 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:2b:a7:8b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.240/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82239sec preferred_lft 82239sec inet6 fe80::f816:3eff:fe2b:a78b/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-64984) 04/01/26 _x86_64_ (2 CPU) 01:53:08 LINUX RESTART (2 CPU) 02:00:33 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:43 1.21 0.01 1.19 0.02 0.05 14.68 1.08 02:20:01 1.13 0.00 1.12 0.02 0.01 14.08 1.16 02:30:33 1.35 0.00 1.32 0.03 0.00 16.64 414.96 02:40:03 1.16 0.00 1.14 0.02 0.00 14.19 1.14 02:50:01 1.84 0.32 1.50 0.03 39.13 72.53 1.28 03:00:43 33.07 2.83 16.36 13.87 214.48 2940.93 102728.79 Average: 6.98 0.56 3.94 2.48 44.63 544.71 18338.09 02:00:33 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:43 6293964 7545568 275036 3.38 30752 1426492 521108 5.68 447740 1187456 180 02:20:01 6292764 7544888 275708 3.39 30960 1426796 521212 5.68 447844 1187968 144 02:30:33 6288540 7541252 279280 3.43 31172 1427152 521284 5.68 447896 1188536 128 02:40:03 6286776 7539976 280544 3.45 31360 1427452 521368 5.68 447328 1189016 244 02:50:01 6236192 7518104 301844 3.71 31760 1455388 727396 7.92 464492 1206296 124 03:00:43 5308748 7421984 349724 4.30 85300 2192008 625896 6.82 591264 1950432 136 Average: 6117831 7518629 293689 3.61 40217 1559215 573044 6.24 474427 1318284 159 02:00:33 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:43 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:43 ens3 0.44 0.03 0.05 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 0.72 0.03 8.37 0.01 0.00 0.00 0.00 0.00 02:30:33 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:33 ens3 0.27 0.03 0.23 0.01 0.00 0.00 0.00 0.00 02:40:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:03 ens3 0.32 0.08 0.11 0.06 0.00 0.00 0.00 0.00 02:50:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:50:01 ens3 0.38 0.21 3.05 0.03 0.00 0.00 0.00 0.00 03:00:43 lo 1.28 1.28 0.08 0.08 0.00 0.00 0.00 0.00 03:00:43 ens3 61.96 38.93 278.77 10.42 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 11.36 6.98 51.43 1.87 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-64984) 04/01/26 _x86_64_ (2 CPU) 01:53:08 LINUX RESTART (2 CPU) 02:00:33 CPU %user %nice %system %iowait %steal %idle 02:10:43 all 0.24 0.00 0.07 0.01 0.04 99.64 02:10:43 0 0.05 0.00 0.09 0.01 0.04 99.81 02:10:43 1 0.43 0.00 0.06 0.01 0.03 99.46 02:20:01 all 0.27 0.00 0.07 0.02 0.04 99.60 02:20:01 0 0.28 0.00 0.07 0.03 0.04 99.58 02:20:01 1 0.26 0.00 0.07 0.01 0.04 99.61 02:30:33 all 0.26 0.00 0.14 0.01 0.03 99.56 02:30:33 0 0.24 0.00 0.14 0.01 0.03 99.57 02:30:33 1 0.27 0.00 0.15 0.01 0.03 99.54 02:40:03 all 0.28 0.00 0.07 0.01 0.04 99.61 02:40:03 0 0.32 0.00 0.06 0.02 0.04 99.57 02:40:03 1 0.23 0.00 0.07 0.00 0.04 99.65 02:50:01 all 0.29 0.00 0.12 0.03 0.04 99.53 02:50:01 0 0.33 0.00 0.08 0.02 0.03 99.54 02:50:01 1 0.24 0.00 0.15 0.03 0.05 99.53 03:00:43 all 10.05 0.00 1.59 0.54 0.05 87.77 03:00:43 0 7.42 0.00 1.43 0.44 0.05 90.66 03:00:43 1 12.69 0.00 1.76 0.64 0.05 84.87 Average: all 2.00 0.00 0.36 0.11 0.04 97.49 Average: 0 1.52 0.00 0.33 0.09 0.04 98.03 Average: 1 2.49 0.00 0.40 0.12 0.04 96.95