---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-41083 6.8.0-136-generic #136-Ubuntu SMP PREEMPT_DYNAMIC Wed Jul 1 21:53:05 UTC 2026 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 Indirect target selection: 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 Tsa: 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 8.1G 30G 22% / 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 5020 4 2469 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:c4:0b:83 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.143/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82278sec preferred_lft 82278sec inet6 fe80::f816:3eff:fec4:b83/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-41083) 08/26/26 _x86_64_ (2 CPU) 00:58:42 LINUX RESTART (2 CPU) 01:00:28 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:10:29 1.42 0.02 1.39 0.01 1.24 16.52 9.21 01:20:01 1.40 0.01 1.38 0.02 0.07 16.38 24.22 01:30:30 1.57 0.00 1.53 0.03 0.00 18.50 632.49 01:40:30 14.64 0.00 1.38 13.25 0.15 16.55 109091.03 01:50:01 1.31 0.00 1.29 0.02 0.00 15.59 21.81 02:00:30 21.78 2.19 18.56 1.03 200.46 2421.41 535.79 Average: 7.18 0.39 4.39 2.40 35.22 436.39 18388.32 01:00:28 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:10:29 6311976 7558644 261800 3.22 30940 1422400 520472 5.67 437964 1183960 124 01:20:01 6301188 7548416 271916 3.34 31160 1422736 528024 5.75 443688 1184512 268 01:30:30 6298244 7546036 274312 3.37 31380 1423056 528300 5.75 443972 1185056 124 01:40:30 6307776 7556156 264152 3.25 31588 1423432 528364 5.75 444256 1185612 168 01:50:01 6306540 7555464 264836 3.26 31800 1423760 528364 5.75 444312 1186152 276 02:00:30 5455528 7400352 379364 4.66 71892 2045100 634316 6.91 590204 1820100 2292 Average: 6163542 7527511 286063 3.52 38127 1526747 544640 5.93 467399 1290899 542 01:00:28 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:10:29 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:29 ens3 1.40 0.09 1.24 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 0.80 0.13 0.18 0.10 0.00 0.00 0.00 0.00 01:30:30 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:30 ens3 0.69 0.08 3.58 0.06 0.00 0.00 0.00 0.00 01:40:30 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:30 ens3 0.68 0.16 0.60 0.56 0.00 0.00 0.00 0.00 01:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:01 ens3 0.45 0.09 0.09 0.05 0.00 0.00 0.00 0.00 02:00:30 lo 1.17 1.17 0.07 0.07 0.00 0.00 0.00 0.00 02:00:30 ens3 42.04 26.50 271.96 5.80 0.00 0.00 0.00 0.00 Average: lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 8.00 4.72 48.44 1.14 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-41083) 08/26/26 _x86_64_ (2 CPU) 00:58:42 LINUX RESTART (2 CPU) 01:00:28 CPU %user %nice %system %iowait %steal %idle 01:10:29 all 0.27 0.00 0.09 0.01 0.04 99.59 01:10:29 0 0.09 0.00 0.10 0.02 0.05 99.75 01:10:29 1 0.45 0.00 0.07 0.00 0.03 99.44 01:20:01 all 0.32 0.00 0.08 0.01 0.04 99.54 01:20:01 0 0.27 0.00 0.09 0.00 0.04 99.60 01:20:01 1 0.38 0.00 0.08 0.02 0.04 99.48 01:30:30 all 0.25 0.00 0.16 0.01 0.03 99.55 01:30:30 0 0.25 0.00 0.15 0.01 0.04 99.56 01:30:30 1 0.25 0.00 0.18 0.01 0.03 99.53 01:40:30 all 0.23 0.00 0.09 0.03 0.04 99.61 01:40:30 0 0.06 0.00 0.11 0.05 0.04 99.74 01:40:30 1 0.39 0.00 0.08 0.01 0.03 99.49 01:50:01 all 0.25 0.00 0.07 0.01 0.03 99.64 01:50:01 0 0.05 0.00 0.09 0.02 0.04 99.80 01:50:01 1 0.45 0.00 0.05 0.00 0.02 99.48 02:00:30 all 6.05 0.00 1.00 0.34 0.05 92.56 02:00:30 0 8.16 0.00 1.11 0.51 0.05 90.18 02:00:30 1 3.95 0.00 0.89 0.17 0.04 94.94 Average: all 1.27 0.00 0.26 0.07 0.04 98.36 Average: 0 1.54 0.00 0.28 0.10 0.04 98.03 Average: 1 1.00 0.00 0.23 0.04 0.03 98.69