---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-1913 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 746 5293 4 2191 7195 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:2f:57:f4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.66/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81795sec preferred_lft 81795sec inet6 fe80::f816:3eff:fe2f:57f4/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1913) 04/11/26 _x86_64_ (2 CPU) 01:48:36 LINUX RESTART (2 CPU) 01:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:15 1.44 0.02 1.40 0.01 1.21 17.67 639.68 02:10:15 1.17 0.01 1.16 0.00 0.05 14.33 0.12 02:20:01 1.81 0.33 1.47 0.01 41.04 73.16 0.26 02:30:15 13.82 0.00 1.54 12.28 0.14 18.83 107274.30 02:40:15 1.35 0.00 1.33 0.02 0.00 15.92 1.09 02:50:00 1.73 0.41 1.31 0.02 16.17 47.79 1.35 03:00:15 21.72 2.57 16.95 2.20 207.51 3028.04 551.37 Average: 6.24 0.48 3.64 2.12 38.42 467.91 15806.73 01:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:15 6291344 7537796 282700 3.48 30560 1421580 521728 5.68 443532 1183068 172 02:10:15 6291120 7538100 282372 3.47 30756 1421908 521736 5.68 443856 1183592 168 02:20:01 6260956 7537008 282864 3.48 31108 1450256 522076 5.69 455460 1200916 168 02:30:15 6271796 7548480 271308 3.34 31328 1450640 522176 5.69 455700 1201492 124 02:40:15 6271556 7548920 270860 3.33 31552 1451088 522284 5.69 456624 1202048 124 02:50:00 6238924 7531376 288040 3.54 31892 1465764 540752 5.89 482876 1215516 236 03:00:15 5291432 7406140 365320 4.49 85232 2193616 626212 6.82 599884 1952688 168 Average: 6131018 7521117 291923 3.59 38918 1550693 539566 5.88 476847 1305617 166 01:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:15 ens3 1.39 0.08 0.18 0.04 0.00 0.00 0.00 0.00 02:10:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:15 ens3 0.46 0.03 0.06 0.01 0.00 0.00 0.00 0.00 02:20:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 0.48 0.21 3.14 0.03 0.00 0.00 0.00 0.00 02:30:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:15 ens3 0.28 0.06 0.07 0.03 0.00 0.00 0.00 0.00 02:40:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:15 ens3 0.47 0.18 0.12 0.46 0.00 0.00 0.00 0.00 02:50:00 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 02:50:00 ens3 13.36 5.74 20.82 2.75 0.00 0.00 0.00 0.00 03:00:15 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 03:00:15 ens3 100.86 71.12 282.51 15.23 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 17.00 11.25 44.58 2.69 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1913) 04/11/26 _x86_64_ (2 CPU) 01:48:36 LINUX RESTART (2 CPU) 01:50:01 CPU %user %nice %system %iowait %steal %idle 02:00:15 all 0.28 0.00 0.16 0.03 0.03 99.50 02:00:15 0 0.33 0.00 0.16 0.06 0.03 99.43 02:00:15 1 0.24 0.00 0.17 0.00 0.03 99.56 02:10:15 all 0.24 0.00 0.07 0.02 0.03 99.64 02:10:15 0 0.07 0.00 0.09 0.03 0.03 99.78 02:10:15 1 0.42 0.00 0.06 0.01 0.02 99.50 02:20:01 all 0.39 0.00 0.10 0.07 0.03 99.41 02:20:01 0 0.23 0.00 0.13 0.02 0.03 99.60 02:20:01 1 0.55 0.00 0.08 0.13 0.02 99.22 02:30:15 all 0.28 0.00 0.18 0.31 0.03 99.21 02:30:15 0 0.12 0.00 0.22 0.09 0.03 99.54 02:30:15 1 0.43 0.00 0.14 0.52 0.02 98.88 02:40:15 all 0.28 0.00 0.08 0.02 0.03 99.59 02:40:15 0 0.13 0.00 0.09 0.01 0.03 99.74 02:40:15 1 0.43 0.00 0.07 0.03 0.03 99.44 02:50:00 all 0.47 0.00 0.09 0.02 0.03 99.40 02:50:00 0 0.31 0.00 0.12 0.03 0.04 99.51 02:50:00 1 0.62 0.00 0.07 0.01 0.02 99.28 03:00:15 all 13.34 0.00 1.96 0.80 0.06 83.84 03:00:15 0 15.43 0.00 2.21 0.47 0.06 81.83 03:00:15 1 11.25 0.00 1.72 1.12 0.07 85.84 Average: all 2.22 0.00 0.38 0.18 0.03 97.18 Average: 0 2.41 0.00 0.44 0.10 0.04 97.01 Average: 1 2.02 0.00 0.33 0.27 0.03 97.35