---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-65912 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 748 5291 4 2190 7192 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:6a:59:85 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.88/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81713sec preferred_lft 81713sec inet6 fe80::f816:3eff:fe6a:5985/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-65912) 04/02/26 _x86_64_ (2 CPU) 01:53:31 LINUX RESTART (2 CPU) 02:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:01 1.93 0.32 1.59 0.02 38.95 72.41 0.44 02:20:31 1.41 0.01 1.38 0.02 1.02 16.53 1.31 02:30:31 1.53 0.00 1.51 0.02 0.00 18.09 0.85 02:40:00 1.35 0.00 1.35 0.00 0.00 15.94 0.00 02:50:31 1.36 0.00 1.36 0.00 0.00 15.77 0.00 03:00:10 22.80 3.14 17.37 2.29 236.23 3116.81 654.94 03:10:00 1.74 0.01 1.69 0.04 1.04 145.91 1.36 Average: 4.48 0.48 3.67 0.33 38.42 469.81 90.79 02:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:01 6254212 7529368 290424 3.57 30832 1449624 725656 7.90 460884 1200000 288 02:20:31 6269736 7545780 274096 3.37 31076 1450264 519536 5.66 455476 1200564 148 02:30:31 6263784 7540392 279500 3.44 31280 1450592 519752 5.66 455512 1201104 176 02:40:00 6263544 7540648 279244 3.43 31440 1450920 519760 5.66 455704 1201592 124 02:50:31 6263544 7541288 278604 3.43 31620 1451376 519760 5.66 455844 1202100 124 03:00:10 5355372 7463588 308048 3.79 85076 2187152 555780 6.05 551724 1945776 25748 03:10:00 5340596 7458600 312948 3.85 85220 2196916 610596 6.65 557012 1955576 2980 Average: 6001541 7517095 288981 3.55 46649 1662406 567263 6.18 484594 1415245 4227 02:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 0.75 0.25 3.06 0.03 0.00 0.00 0.00 0.00 02:20:31 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:31 ens3 0.31 0.03 0.45 0.01 0.00 0.00 0.00 0.00 02:30:31 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:31 ens3 0.22 0.03 0.04 0.01 0.00 0.00 0.00 0.00 02:40:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:00 ens3 0.40 0.06 0.25 0.04 0.00 0.00 0.00 0.00 02:50:31 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:31 ens3 0.17 0.03 0.04 0.01 0.00 0.00 0.00 0.00 03:00:10 lo 1.31 1.31 0.09 0.09 0.00 0.00 0.00 0.00 03:00:10 ens3 87.76 63.30 314.47 16.39 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 21.02 13.96 5.79 2.72 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 15.31 10.74 44.68 2.66 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-65912) 04/02/26 _x86_64_ (2 CPU) 01:53:31 LINUX RESTART (2 CPU) 02:00:00 CPU %user %nice %system %iowait %steal %idle 02:10:01 all 0.35 0.00 0.13 0.02 0.02 99.48 02:10:01 0 0.52 0.00 0.13 0.03 0.02 99.30 02:10:01 1 0.18 0.00 0.12 0.01 0.03 99.66 02:20:31 all 0.26 0.00 0.14 0.86 0.09 98.65 02:20:31 0 0.14 0.00 0.09 0.01 0.14 99.62 02:20:31 1 0.38 0.00 0.19 1.71 0.03 97.69 02:30:31 all 0.28 0.00 0.17 0.01 0.03 99.51 02:30:31 0 0.21 0.00 0.17 0.01 0.03 99.57 02:30:31 1 0.35 0.00 0.17 0.01 0.03 99.45 02:40:00 all 0.24 0.00 0.07 0.02 0.03 99.64 02:40:00 0 0.08 0.00 0.08 0.01 0.04 99.80 02:40:00 1 0.40 0.00 0.07 0.03 0.02 99.48 02:50:31 all 0.26 0.00 0.06 0.01 0.03 99.63 02:50:31 0 0.42 0.00 0.04 0.01 0.03 99.49 02:50:31 1 0.10 0.00 0.09 0.01 0.04 99.77 03:00:10 all 11.17 0.00 1.84 0.56 0.05 86.37 03:00:10 0 13.11 0.00 2.04 0.45 0.05 84.34 03:00:10 1 9.23 0.00 1.64 0.68 0.06 88.40 03:10:00 all 5.34 0.00 0.48 0.01 0.06 94.12 03:10:00 0 4.54 0.00 0.41 0.02 0.05 94.98 03:10:00 1 6.13 0.00 0.55 0.01 0.06 93.25 Average: all 2.49 0.00 0.40 0.22 0.04 96.85 Average: 0 2.64 0.00 0.41 0.08 0.05 96.82 Average: 1 2.33 0.00 0.39 0.36 0.04 96.88