---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-464 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 8.0G 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 755 5200 4 2279 7186 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:9c:25:59 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.135/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82303sec preferred_lft 82303sec inet6 fe80::f816:3eff:fe9c:2559/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-464) 07/30/26 _x86_64_ (2 CPU) 00:39:22 LINUX RESTART (2 CPU) 00:40:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:01 1.61 0.03 1.57 0.01 1.45 24.46 221.32 01:00:11 1.45 0.01 1.43 0.01 0.05 17.18 429.28 01:10:11 14.35 0.25 1.55 12.54 31.11 75.95 109094.70 01:20:01 1.20 0.00 1.19 0.02 0.01 14.69 1.10 01:30:13 1.36 0.00 1.33 0.03 0.00 16.86 428.18 01:40:00 12.79 1.54 10.30 0.96 114.18 1721.90 355.52 Average: 5.43 0.30 2.87 2.27 24.13 306.58 18476.96 00:40:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:01 6278700 7525688 294680 3.62 30532 1422312 538884 5.87 445132 1183256 240 01:00:11 6280772 7528276 291996 3.59 30704 1422652 538908 5.87 448012 1183768 124 01:10:11 6229812 7504684 315048 3.87 31044 1449304 739468 8.05 462512 1201968 144 01:20:01 6229812 7505240 314488 3.87 31260 1449636 739792 8.06 463128 1202516 124 01:30:13 6222588 7498608 320920 3.95 31492 1449968 740216 8.06 463704 1203080 148 01:40:00 5464248 7400252 379344 4.66 71716 2035632 822412 8.96 579128 1812472 214964 Average: 6117655 7493791 319413 3.93 37791 1538251 686613 7.48 476936 1297843 35957 00:40:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:01 ens3 2.51 0.10 0.43 0.06 0.00 0.00 0.00 0.00 01:00:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:11 ens3 0.41 0.03 0.06 0.01 0.00 0.00 0.00 0.00 01:10:11 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:10:11 ens3 0.62 0.24 3.28 0.05 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 0.44 0.12 0.13 0.08 0.00 0.00 0.00 0.00 01:30:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:13 ens3 0.57 0.22 0.16 0.62 0.00 0.00 0.00 0.00 01:40:00 lo 1.12 1.12 0.06 0.06 0.00 0.00 0.00 0.00 01:40:00 ens3 41.60 26.95 283.61 6.25 0.00 0.00 0.00 0.00 Average: lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 7.56 4.53 47.07 1.16 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-464) 07/30/26 _x86_64_ (2 CPU) 00:39:22 LINUX RESTART (2 CPU) 00:40:10 CPU %user %nice %system %iowait %steal %idle 00:50:01 all 0.30 0.00 0.18 0.05 0.03 99.44 00:50:01 0 0.29 0.00 0.16 0.09 0.03 99.44 00:50:01 1 0.31 0.00 0.19 0.02 0.03 99.45 01:00:11 all 0.29 0.00 0.16 0.02 0.03 99.49 01:00:11 0 0.28 0.00 0.17 0.03 0.03 99.49 01:00:11 1 0.31 0.00 0.15 0.00 0.03 99.50 01:10:11 all 0.37 0.00 0.12 1.51 0.03 97.98 01:10:11 0 0.34 0.00 0.09 1.41 0.03 98.13 01:10:11 1 0.39 0.00 0.14 1.61 0.03 97.82 01:20:01 all 0.23 0.00 0.07 0.03 0.03 99.64 01:20:01 0 0.36 0.00 0.05 0.04 0.03 99.53 01:20:01 1 0.11 0.00 0.09 0.02 0.04 99.75 01:30:13 all 0.28 0.00 0.16 0.02 0.03 99.51 01:30:13 0 0.19 0.00 0.18 0.03 0.03 99.57 01:30:13 1 0.37 0.00 0.14 0.02 0.02 99.45 01:40:00 all 6.15 0.00 0.89 0.67 0.04 92.26 01:40:00 0 5.53 0.00 0.89 0.95 0.04 92.59 01:40:00 1 6.77 0.00 0.89 0.38 0.03 91.93 Average: all 1.25 0.00 0.26 0.38 0.03 98.08 Average: 0 1.15 0.00 0.26 0.42 0.03 98.15 Average: 1 1.36 0.00 0.27 0.34 0.03 98.00