---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-1636 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 766 5281 4 2182 7175 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:d1:09:97 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.141/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82112sec preferred_lft 82112sec inet6 fe80::f816:3eff:fed1:997/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1636) 04/10/26 _x86_64_ (2 CPU) 01:58:20 LINUX RESTART (2 CPU) 02:00:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:03 14.49 0.35 1.60 12.54 41.42 73.83 109101.89 02:20:03 1.21 0.01 1.19 0.01 0.07 14.84 0.84 02:30:03 1.38 0.00 1.35 0.03 0.00 17.51 871.84 02:40:03 1.18 0.00 1.17 0.02 0.00 14.40 1.20 02:50:04 1.21 0.00 1.19 0.02 0.00 15.00 1.20 03:00:04 1.38 0.00 1.35 0.03 0.00 17.56 872.16 Average: 3.48 0.06 1.31 2.11 6.92 25.53 18483.83 02:00:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:03 6249324 7523760 296360 3.64 30736 1448996 535376 5.83 464652 1200008 228 02:20:03 6255508 7530484 289736 3.56 30936 1449328 535464 5.83 464784 1200540 192 02:30:03 6243364 7518908 301140 3.70 31168 1449652 535736 5.84 465240 1201088 204 02:40:03 6250952 7527024 293032 3.60 31352 1449980 535800 5.84 465944 1201608 200 02:50:04 6250448 7527068 292976 3.60 31572 1450308 535928 5.84 465844 1202148 244 03:00:04 6238696 7516016 303952 3.74 31780 1450764 536024 5.84 466324 1202692 204 Average: 6248049 7523877 296199 3.64 31257 1449838 535721 5.84 465465 1201347 212 02:00:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:03 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:10:03 ens3 2.03 0.22 3.21 0.03 0.00 0.00 0.00 0.00 02:20:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:03 ens3 1.18 0.10 11.08 0.07 0.00 0.00 0.00 0.00 02:30:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:03 ens3 1.36 0.19 0.35 0.18 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 0.92 0.31 0.35 0.72 0.00 0.00 0.00 0.00 02:50:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:04 ens3 0.54 0.07 0.15 0.08 0.00 0.00 0.00 0.00 03:00:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:04 ens3 0.44 0.12 0.16 0.09 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 1.08 0.17 2.55 0.19 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1636) 04/10/26 _x86_64_ (2 CPU) 01:58:20 LINUX RESTART (2 CPU) 02:00:02 CPU %user %nice %system %iowait %steal %idle 02:10:03 all 0.37 0.00 0.14 0.10 0.03 99.36 02:10:03 0 0.26 0.00 0.15 0.08 0.03 99.48 02:10:03 1 0.47 0.00 0.13 0.13 0.03 99.24 02:20:03 all 0.24 0.00 0.07 0.16 0.03 99.49 02:20:03 0 0.26 0.00 0.06 0.04 0.03 99.61 02:20:03 1 0.23 0.00 0.08 0.29 0.03 99.37 02:30:03 all 0.29 0.00 0.18 0.13 0.03 99.38 02:30:03 0 0.16 0.00 0.17 0.09 0.04 99.54 02:30:03 1 0.41 0.00 0.19 0.16 0.03 99.21 02:40:03 all 0.30 0.00 0.08 0.02 0.03 99.58 02:40:03 0 0.51 0.00 0.06 0.03 0.02 99.37 02:40:03 1 0.09 0.00 0.10 0.01 0.03 99.78 02:50:04 all 0.27 0.00 0.06 0.01 0.03 99.63 02:50:04 0 0.49 0.00 0.04 0.02 0.02 99.43 02:50:04 1 0.05 0.00 0.09 0.00 0.04 99.82 03:00:04 all 0.31 0.00 0.16 0.12 0.03 99.39 03:00:04 0 0.54 0.00 0.13 0.22 0.02 99.09 03:00:04 1 0.07 0.00 0.18 0.02 0.03 99.69 Average: all 0.30 0.00 0.11 0.09 0.03 99.47 Average: 0 0.37 0.00 0.10 0.08 0.03 99.42 Average: 1 0.22 0.00 0.13 0.10 0.03 99.52