---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-53646 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 784 5265 4 2181 7157 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:d8:ba:69 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.122/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81306sec preferred_lft 81306sec inet6 fe80::f816:3eff:fed8:ba69/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-53646) 03/28/26 _x86_64_ (2 CPU) 00:43:51 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:07 14.11 0.01 1.69 12.40 0.20 20.06 108663.14 01:10:07 1.36 0.00 1.34 0.02 0.00 15.23 1.20 01:20:01 1.49 0.03 1.44 0.02 2.18 16.70 1.25 01:30:07 1.60 0.00 1.57 0.03 0.00 18.45 648.37 01:40:07 1.36 0.00 1.34 0.02 0.00 15.77 1.20 01:50:01 23.53 3.52 17.73 2.28 273.67 3215.82 496.53 02:00:07 1.67 0.01 1.65 0.02 0.57 36.77 0.26 Average: 6.43 0.50 3.80 2.12 39.08 471.92 15831.61 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:07 6283808 7530188 290484 3.57 30660 1421636 534796 5.82 441200 1183352 232 01:10:07 6283568 7530480 290180 3.57 30860 1421960 534956 5.83 441408 1183880 176 01:20:01 6283608 7531728 288948 3.55 31080 1422928 534964 5.83 444692 1184508 124 01:30:07 6284400 7533060 287568 3.54 31276 1423260 535188 5.83 445112 1185036 168 01:40:07 6284400 7533732 286924 3.53 31488 1423712 535324 5.83 445316 1185572 92 01:50:01 5319608 7428404 343388 4.22 85760 2187360 589616 6.42 577324 1946672 2320 02:00:07 5222528 7333772 438064 5.39 85932 2189720 683300 7.44 636716 1949204 304 Average: 5994560 7488766 317937 3.91 46722 1641511 564021 6.14 490253 1402603 488 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:07 ens3 0.57 0.07 0.09 0.04 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 1.25 0.08 6.44 0.04 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 0.56 0.11 0.13 0.06 0.00 0.00 0.00 0.00 01:30:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:07 ens3 0.62 0.21 0.09 0.45 0.00 0.00 0.00 0.00 01:40:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:07 ens3 0.41 0.08 0.11 0.06 0.00 0.00 0.00 0.00 01:50:01 lo 1.34 1.34 0.08 0.08 0.00 0.00 0.00 0.00 01:50:01 ens3 58.81 42.21 303.37 11.19 0.00 0.00 0.00 0.00 02:00:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:07 ens3 11.09 8.59 36.89 1.26 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 10.39 7.28 49.15 1.85 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-53646) 03/28/26 _x86_64_ (2 CPU) 00:43:51 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:07 all 0.27 0.00 0.15 0.22 0.10 99.25 01:00:07 0 0.10 0.00 0.14 0.04 0.03 99.69 01:00:07 1 0.44 0.00 0.16 0.41 0.16 98.82 01:10:07 all 0.22 0.00 0.06 0.01 0.02 99.69 01:10:07 0 0.03 0.00 0.06 0.01 0.02 99.87 01:10:07 1 0.41 0.00 0.06 0.01 0.02 99.51 01:20:01 all 0.25 0.00 0.07 0.01 0.03 99.64 01:20:01 0 0.12 0.00 0.07 0.01 0.04 99.76 01:20:01 1 0.37 0.00 0.07 0.01 0.02 99.53 01:30:07 all 0.25 0.00 0.15 0.01 0.03 99.56 01:30:07 0 0.24 0.00 0.16 0.01 0.03 99.57 01:30:07 1 0.26 0.00 0.14 0.01 0.03 99.56 01:40:07 all 0.25 0.00 0.05 0.02 0.03 99.65 01:40:07 0 0.20 0.00 0.05 0.02 0.04 99.69 01:40:07 1 0.30 0.00 0.06 0.01 0.03 99.60 01:50:01 all 11.04 0.00 1.75 0.85 0.05 86.31 01:50:01 0 12.19 0.00 1.84 0.76 0.05 85.16 01:50:01 1 9.89 0.00 1.65 0.94 0.05 87.46 02:00:07 all 0.96 0.00 0.28 0.03 0.08 98.65 02:00:07 0 1.25 0.00 0.34 0.04 0.11 98.25 02:00:07 1 0.67 0.00 0.22 0.02 0.05 99.04 Average: all 1.87 0.00 0.36 0.16 0.05 97.56 Average: 0 2.00 0.00 0.38 0.13 0.05 97.45 Average: 1 1.75 0.00 0.34 0.20 0.05 97.67