---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-4168 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 754 5237 4 2246 7187 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:f9:95:c1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.23/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82033sec preferred_lft 82033sec inet6 fe80::f816:3eff:fef9:95c1/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-4168) 04/18/26 _x86_64_ (2 CPU) 01:56:38 LINUX RESTART (2 CPU) 02:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:00 13.80 0.03 1.23 12.54 1.39 15.45 109181.37 02:20:00 1.83 0.32 1.48 0.03 39.08 65.96 1.16 02:30:00 1.54 0.01 1.50 0.03 1.05 25.44 218.79 02:40:00 1.18 0.00 1.18 0.00 0.00 14.33 0.00 02:50:00 1.22 0.00 1.22 0.00 0.00 15.11 0.00 03:00:00 15.69 13.54 2.08 0.07 151.12 46.01 555.88 Average: 5.88 2.32 1.45 2.11 32.11 30.38 18326.25 02:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:00 6302468 7548344 271672 3.34 30548 1421264 531828 5.79 443924 1183064 184 02:20:00 6247128 7521992 297288 3.66 30968 1449420 731192 7.96 460956 1200588 2180 02:30:00 6243864 7519600 299732 3.69 31184 1450056 531936 5.79 455520 1201128 160 02:40:00 6243864 7520096 299236 3.68 31344 1450384 531944 5.79 455784 1201616 160 02:50:00 6251452 7528312 291044 3.58 31504 1450844 532076 5.80 456092 1202108 156 03:00:00 6184732 7518720 291528 3.58 35652 1495464 532328 5.80 457336 1250268 136 Average: 6245585 7526177 291750 3.59 31867 1452905 565217 6.16 454935 1206462 496 02:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:00 ens3 1.07 0.05 0.10 0.01 0.00 0.00 0.00 0.00 02:20:00 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:20:00 ens3 0.60 0.19 3.10 0.03 0.00 0.00 0.00 0.00 02:30:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:00 ens3 0.38 0.05 0.08 0.03 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 0.54 0.09 0.13 0.06 0.00 0.00 0.00 0.00 02:50:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:00 ens3 0.29 0.07 0.08 0.04 0.00 0.00 0.00 0.00 03:00:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:00 ens3 0.46 0.20 0.13 0.62 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 0.56 0.11 0.60 0.13 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-4168) 04/18/26 _x86_64_ (2 CPU) 01:56:38 LINUX RESTART (2 CPU) 02:00:00 CPU %user %nice %system %iowait %steal %idle 02:10:00 all 0.27 0.00 0.09 0.03 0.03 99.58 02:10:00 0 0.21 0.00 0.10 0.05 0.03 99.61 02:10:00 1 0.33 0.00 0.08 0.01 0.03 99.55 02:20:00 all 0.35 0.00 0.11 2.10 0.03 97.41 02:20:00 0 0.41 0.00 0.07 0.02 0.03 99.47 02:20:00 1 0.29 0.00 0.15 4.17 0.03 95.36 02:30:00 all 0.26 0.00 0.17 0.02 0.03 99.53 02:30:00 0 0.43 0.00 0.15 0.03 0.03 99.36 02:30:00 1 0.09 0.00 0.18 0.00 0.03 99.69 02:40:00 all 0.26 0.00 0.08 0.20 0.02 99.44 02:40:00 0 0.37 0.00 0.07 0.13 0.02 99.41 02:40:00 1 0.14 0.00 0.09 0.27 0.03 99.47 02:50:00 all 0.31 0.00 0.08 0.01 0.02 99.58 02:50:00 0 0.43 0.00 0.07 0.01 0.02 99.47 02:50:00 1 0.20 0.00 0.09 0.00 0.03 99.68 03:00:00 all 0.29 0.19 0.24 0.17 0.02 99.09 03:00:00 0 0.21 0.35 0.31 0.30 0.02 98.81 03:00:00 1 0.37 0.03 0.18 0.03 0.02 99.37 Average: all 0.29 0.03 0.13 0.42 0.03 99.11 Average: 0 0.34 0.06 0.13 0.09 0.02 99.36 Average: 1 0.24 0.00 0.13 0.75 0.03 98.86