---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-6150 6.8.0-138-generic #138-Ubuntu SMP PREEMPT_DYNAMIC Fri Jul 31 22:41:49 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: 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 768 5057 4 2410 7173 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:c3:95:71 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.245/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80875sec preferred_lft 80875sec inet6 fe80::f816:3eff:fec3:9571/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-6150) 09/09/26 _x86_64_ (2 CPU) 00:42:51 LINUX RESTART (2 CPU) 00:50:36 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:06 2.14 0.35 1.74 0.04 45.41 118.97 1.04 01:10:01 15.59 0.00 1.28 14.30 0.15 20.98 107064.89 01:20:36 1.30 0.00 1.30 0.00 0.01 122.81 0.00 01:30:16 1.63 0.00 1.61 0.02 0.00 21.17 0.23 01:40:01 1.25 0.00 1.25 0.00 0.00 16.68 0.00 01:50:06 1.31 0.00 1.31 0.00 0.00 21.41 392.68 02:00:36 1.60 0.00 1.56 0.04 0.19 62.87 377.29 02:10:01 1.48 0.00 1.45 0.03 0.00 22.69 420.30 Average: 3.28 0.04 1.44 1.80 5.48 51.55 13531.54 00:50:36 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:06 5088124 7314932 450984 5.55 87580 2300452 887304 9.66 634144 2062732 188 01:10:01 5087492 7316056 449784 5.53 87712 2302052 887500 9.67 634316 2064432 260 01:20:36 5075512 7339000 426316 5.24 87836 2336372 870696 9.48 617104 2098880 192 01:30:16 5084960 7349308 415968 5.11 87976 2337064 870696 9.48 617032 2099644 124 01:40:01 5092308 7357388 407876 5.02 88096 2337668 870696 9.48 616868 2100368 292 01:50:06 5073008 7341064 424208 5.22 88212 2340484 866904 9.44 613960 2103180 1288 02:00:36 5054496 7335956 429024 5.28 88380 2353528 869236 9.47 615864 2116260 160 02:10:01 5053072 7336416 428636 5.27 88528 2355236 895020 9.75 641672 2118120 276 Average: 5076122 7336265 429100 5.28 88040 2332857 877256 9.56 623870 2095452 348 00:50:36 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:06 lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 01:00:06 ens3 14.60 13.94 238.38 1.25 0.00 0.00 0.00 0.00 01:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:01 ens3 8.30 5.19 33.93 0.81 0.00 0.00 0.00 0.00 01:20:36 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:36 ens3 4.06 1.94 34.92 0.22 0.00 0.00 0.00 0.00 01:30:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:16 ens3 2.84 1.75 0.37 0.25 0.00 0.00 0.00 0.00 01:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 2.63 1.72 0.35 0.24 0.00 0.00 0.00 0.00 01:50:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:06 ens3 10.32 9.63 119.57 1.30 0.00 0.00 0.00 0.00 02:00:36 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:36 ens3 15.55 15.19 211.43 1.60 0.00 0.00 0.00 0.00 02:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 11.11 10.78 148.31 1.00 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 8.68 7.51 98.22 0.84 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-6150) 09/09/26 _x86_64_ (2 CPU) 00:42:51 LINUX RESTART (2 CPU) 00:50:36 CPU %user %nice %system %iowait %steal %idle 01:00:06 all 1.16 0.00 0.50 0.02 0.02 98.30 01:00:06 0 1.41 0.00 0.55 0.02 0.02 97.99 01:00:06 1 0.90 0.00 0.45 0.02 0.02 98.60 01:10:01 all 1.31 0.00 0.32 0.06 0.03 98.27 01:10:01 0 1.99 0.00 0.44 0.08 0.04 97.45 01:10:01 1 0.68 0.00 0.21 0.05 0.02 99.05 01:20:36 all 1.49 0.00 0.35 0.01 0.03 98.12 01:20:36 0 2.07 0.00 0.46 0.02 0.03 97.43 01:20:36 1 0.96 0.00 0.25 0.01 0.02 98.76 01:30:16 all 0.65 0.00 0.28 0.01 0.02 99.04 01:30:16 0 0.61 0.00 0.20 0.02 0.02 99.16 01:30:16 1 0.69 0.00 0.35 0.01 0.03 98.93 01:40:01 all 0.61 0.00 0.21 0.01 0.02 99.15 01:40:01 0 0.60 0.00 0.19 0.01 0.03 99.17 01:40:01 1 0.62 0.00 0.22 0.01 0.02 99.13 01:50:06 all 1.27 0.00 0.28 0.01 0.02 98.42 01:50:06 0 1.30 0.00 0.37 0.00 0.02 98.30 01:50:06 1 1.25 0.00 0.19 0.02 0.02 98.53 02:00:36 all 1.78 0.00 0.52 0.01 0.02 97.68 02:00:36 0 0.72 0.00 0.37 0.00 0.02 98.89 02:00:36 1 2.83 0.00 0.67 0.02 0.02 96.46 02:10:01 all 0.88 0.00 0.28 0.01 0.02 98.81 02:10:01 0 1.06 0.00 0.37 0.00 0.02 98.54 02:10:01 1 0.70 0.00 0.18 0.02 0.02 99.08 Average: all 1.15 0.00 0.34 0.02 0.02 98.46 Average: 0 1.21 0.00 0.37 0.02 0.03 98.38 Average: 1 1.10 0.00 0.32 0.02 0.02 98.55