---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-32480 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 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 763 5137 4 2341 7178 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:c0:af:ff brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.212/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81547sec preferred_lft 81547sec inet6 fe80::f816:3eff:fec0:afff/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-32480) 07/03/26 _x86_64_ (2 CPU) 00:38:16 LINUX RESTART (2 CPU) 00:40:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:07 13.95 0.03 1.39 12.53 1.39 16.90 109011.60 01:00:07 1.54 0.01 1.52 0.01 0.05 18.51 653.43 01:10:07 15.39 13.54 1.80 0.05 151.11 42.56 11.60 01:20:09 1.23 0.00 1.23 0.00 0.01 14.89 0.00 01:30:10 1.41 0.00 1.40 0.01 0.00 17.08 0.27 01:40:10 1.25 0.00 1.25 0.00 0.00 15.04 0.00 01:50:00 1.19 0.00 1.17 0.02 0.00 14.38 1.10 Average: 5.15 1.94 1.40 1.81 21.83 19.92 15707.63 00:40:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:07 6256528 7534052 285740 3.51 30820 1451956 730808 7.96 462772 1204892 112 01:00:07 6251752 7529852 289884 3.56 31032 1452288 730840 7.96 462928 1205444 96 01:10:07 6193992 7529148 281528 3.46 35148 1496912 731140 7.96 463920 1253576 180 01:20:09 6193240 7528888 281772 3.46 35312 1497236 731140 7.96 464148 1254064 128 01:30:10 6181932 7518124 292496 3.60 35480 1497572 731204 7.96 463992 1254568 144 01:40:10 6181932 7518732 291916 3.59 35632 1498024 731204 7.96 464364 1255044 124 01:50:00 6181932 7519244 291400 3.58 35812 1498348 731268 7.96 464548 1255548 128 Average: 6205901 7525434 287819 3.54 34177 1484619 731086 7.96 463810 1240448 130 00:40:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:07 ens3 2.54 0.10 0.34 0.06 0.00 0.00 0.00 0.00 01:00:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:07 ens3 0.53 0.07 0.09 0.03 0.00 0.00 0.00 0.00 01:10:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:07 ens3 0.87 0.32 0.23 0.65 0.00 0.00 0.00 0.00 01:20:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:09 ens3 0.52 0.09 0.13 0.06 0.00 0.00 0.00 0.00 01:30:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:10 ens3 0.32 0.06 0.07 0.03 0.00 0.00 0.00 0.00 01:40:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:10 ens3 0.35 0.06 0.10 0.05 0.00 0.00 0.00 0.00 01:50:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:00 ens3 0.26 0.06 0.07 0.03 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 0.77 0.11 0.15 0.13 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-32480) 07/03/26 _x86_64_ (2 CPU) 00:38:16 LINUX RESTART (2 CPU) 00:40:06 CPU %user %nice %system %iowait %steal %idle 00:50:07 all 0.28 0.00 0.09 0.03 0.02 99.57 00:50:07 0 0.41 0.00 0.06 0.00 0.01 99.51 00:50:07 1 0.15 0.00 0.13 0.06 0.03 99.64 01:00:07 all 0.29 0.00 0.17 0.02 0.02 99.50 01:00:07 0 0.29 0.00 0.17 0.02 0.02 99.50 01:00:07 1 0.30 0.00 0.17 0.01 0.02 99.50 01:10:07 all 0.28 0.18 0.14 0.13 0.02 99.25 01:10:07 0 0.29 0.02 0.09 0.07 0.02 99.51 01:10:07 1 0.26 0.33 0.19 0.20 0.02 99.00 01:20:09 all 0.22 0.00 0.07 0.01 0.02 99.68 01:20:09 0 0.19 0.00 0.07 0.00 0.02 99.72 01:20:09 1 0.25 0.00 0.07 0.01 0.01 99.65 01:30:10 all 0.25 0.00 0.17 0.01 0.02 99.56 01:30:10 0 0.29 0.00 0.17 0.02 0.01 99.51 01:30:10 1 0.21 0.00 0.16 0.01 0.02 99.61 01:40:10 all 0.26 0.00 0.07 0.01 0.02 99.64 01:40:10 0 0.45 0.00 0.05 0.01 0.01 99.48 01:40:10 1 0.06 0.00 0.10 0.01 0.02 99.81 01:50:00 all 0.22 0.00 0.07 0.01 0.02 99.68 01:50:00 0 0.38 0.00 0.07 0.01 0.01 99.53 01:50:00 1 0.06 0.00 0.08 0.00 0.02 99.84 Average: all 0.26 0.03 0.11 0.03 0.02 99.56 Average: 0 0.33 0.00 0.10 0.02 0.01 99.54 Average: 1 0.18 0.05 0.13 0.04 0.02 99.58