---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-33264 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 738 5230 4 2265 7203 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:10:3c:a2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.76/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82212sec preferred_lft 82212sec inet6 fe80::f816:3eff:fe10:3ca2/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-33264) 07/06/26 _x86_64_ (2 CPU) 01:48:26 LINUX RESTART (2 CPU) 01:50:15 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:15 2.06 0.28 1.76 0.02 32.19 78.73 653.28 02:10:00 1.36 0.01 1.33 0.01 1.14 16.06 0.68 02:20:18 1.25 0.00 1.23 0.02 0.01 14.96 1.28 02:30:19 1.42 0.00 1.39 0.03 0.00 17.36 436.18 02:40:00 1.32 0.00 1.30 0.02 0.00 16.87 225.92 02:50:20 1.28 0.00 1.26 0.02 0.00 15.44 1.16 Average: 1.45 0.05 1.38 0.02 5.55 26.55 218.49 01:50:15 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:15 6264180 7537136 282840 3.48 30756 1447512 721672 7.86 452208 1200736 164 02:10:00 6273800 7547620 272368 3.35 30972 1448152 522784 5.69 447036 1201280 124 02:20:18 6287800 7562164 257784 3.17 31188 1448480 522944 5.70 447132 1201820 152 02:30:19 6277592 7552540 267372 3.29 31408 1448808 522944 5.70 447268 1202372 124 02:40:00 6272552 7548056 271824 3.34 31632 1449136 523008 5.70 447696 1202924 128 02:50:20 6279888 7556060 263816 3.24 31840 1449588 523092 5.70 449200 1203456 124 Average: 6275969 7550596 269334 3.31 31299 1448613 556074 6.06 448423 1202098 136 01:50:15 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:15 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:00:15 ens3 2.26 0.47 3.50 0.06 0.00 0.00 0.00 0.00 02:10:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:00 ens3 0.39 0.04 0.04 0.01 0.00 0.00 0.00 0.00 02:20:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:18 ens3 0.68 0.03 6.14 0.01 0.00 0.00 0.00 0.00 02:30:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:19 ens3 0.24 0.04 0.07 0.01 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 0.31 0.06 0.07 0.03 0.00 0.00 0.00 0.00 02:50:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:20 ens3 0.40 0.17 0.11 0.40 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 0.72 0.13 1.68 0.09 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-33264) 07/06/26 _x86_64_ (2 CPU) 01:48:26 LINUX RESTART (2 CPU) 01:50:15 CPU %user %nice %system %iowait %steal %idle 02:00:15 all 0.40 0.00 0.20 0.23 0.04 99.13 02:00:15 0 0.53 0.00 0.18 0.02 0.03 99.24 02:00:15 1 0.28 0.00 0.22 0.44 0.05 99.02 02:10:00 all 0.24 0.00 0.08 0.02 0.03 99.63 02:10:00 0 0.29 0.00 0.07 0.01 0.03 99.62 02:10:00 1 0.20 0.00 0.09 0.03 0.04 99.65 02:20:18 all 0.25 0.00 0.07 0.16 0.04 99.48 02:20:18 0 0.05 0.00 0.08 0.32 0.04 99.51 02:20:18 1 0.45 0.00 0.07 0.00 0.03 99.45 02:30:19 all 0.25 0.00 0.16 0.01 0.03 99.54 02:30:19 0 0.24 0.00 0.17 0.00 0.03 99.56 02:30:19 1 0.27 0.00 0.15 0.02 0.03 99.53 02:40:00 all 0.24 0.00 0.09 0.01 0.04 99.63 02:40:00 0 0.18 0.00 0.08 0.00 0.03 99.70 02:40:00 1 0.29 0.00 0.09 0.02 0.04 99.57 02:50:20 all 0.26 0.00 0.07 0.03 0.03 99.61 02:50:20 0 0.08 0.00 0.09 0.00 0.03 99.80 02:50:20 1 0.44 0.00 0.06 0.05 0.03 99.42 Average: all 0.27 0.00 0.11 0.08 0.03 99.50 Average: 0 0.23 0.00 0.11 0.06 0.03 99.57 Average: 1 0.32 0.00 0.11 0.09 0.04 99.44