---> uname -a: Linux prd-ubuntu2204-docker-v1-8c-8g-735 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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): 4 On-line CPU(s) list: 0-3 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): 4 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: 128 KiB (4 instances) L1i cache: 128 KiB (4 instances) L2 cache: 2 MiB (4 instances) L3 cache: 64 MiB (4 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-3 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: Mitigation; SMT disabled Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp 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: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 1.6G 1.1M 1.6G 1% /run /dev/vda1 78G 11G 67G 14% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 1.6G 4.0K 1.6G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15989 612 11806 4 3570 15034 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 valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:0d:eb:63 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.133/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84208sec preferred_lft 84208sec inet6 fe80::f816:3eff:fe0d:eb63/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ba:ca:d5:04:a0:25 brd ff:ff:ff:ff:ff:ff inet 10.250.0.254/24 brd 10.250.0.255 scope global docker0 valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-v1-8c-8g-735) 05/18/26 _x86_64_ (4 CPU) 08:16:16 LINUX RESTART (4 CPU) 08:20:35 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:30:22 1.59 0.22 1.36 0.01 8.37 18.05 225.77 08:40:22 1.50 0.21 1.28 0.01 1.81 15.78 24.84 08:50:02 1.42 0.22 1.19 0.00 10.60 33.66 0.15 Average: 1.50 0.22 1.28 0.01 6.87 22.40 83.46 08:20:35 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:30:22 13752336 15485900 533724 3.26 54436 1906544 1161516 6.67 177052 2192724 28 08:40:22 13751620 15486224 533280 3.26 55360 1906556 1161708 6.67 177992 2193120 44 08:50:02 13738116 15481972 537352 3.28 55824 1915220 1172196 6.73 180956 2222316 192 Average: 13747357 15484699 534785 3.27 55207 1909440 1165140 6.69 178667 2202720 88 08:20:35 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:30:22 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 08:30:22 ens3 1.43 1.00 0.86 0.94 0.00 0.00 0.00 0.00 08:30:22 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:22 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 08:40:22 ens3 0.42 0.24 0.15 0.29 0.00 0.00 0.00 0.00 08:40:22 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:02 lo 0.09 0.09 0.01 0.01 0.00 0.00 0.00 0.00 08:50:02 ens3 6.70 4.34 13.05 3.00 0.00 0.00 0.00 0.00 08:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 Average: ens3 2.82 1.84 4.62 1.40 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-v1-8c-8g-735) 05/18/26 _x86_64_ (4 CPU) 08:16:16 LINUX RESTART (4 CPU) 08:20:35 CPU %user %nice %system %iowait %steal %idle 08:30:22 all 0.23 0.00 0.04 0.06 0.01 99.66 08:30:22 0 0.08 0.00 0.03 0.01 0.01 99.87 08:30:22 1 0.41 0.00 0.04 0.00 0.01 99.53 08:30:22 2 0.27 0.00 0.05 0.18 0.02 99.47 08:30:22 3 0.15 0.00 0.04 0.02 0.01 99.78 08:40:22 all 0.23 0.00 0.03 0.01 0.01 99.72 08:40:22 0 0.36 0.00 0.03 0.02 0.01 99.58 08:40:22 1 0.09 0.00 0.03 0.01 0.01 99.86 08:40:22 2 0.03 0.00 0.03 0.01 0.01 99.92 08:40:22 3 0.43 0.00 0.03 0.00 0.01 99.52 08:50:02 all 0.25 0.00 0.04 0.01 0.01 99.69 08:50:02 0 0.30 0.00 0.06 0.00 0.01 99.63 08:50:02 1 0.37 0.00 0.04 0.01 0.01 99.58 08:50:02 2 0.22 0.00 0.03 0.03 0.01 99.71 08:50:02 3 0.12 0.00 0.03 0.00 0.01 99.84 Average: all 0.24 0.00 0.04 0.02 0.01 99.69 Average: 0 0.25 0.00 0.04 0.01 0.01 99.69 Average: 1 0.29 0.00 0.04 0.01 0.01 99.66 Average: 2 0.17 0.00 0.04 0.07 0.01 99.71 Average: 3 0.24 0.00 0.03 0.01 0.01 99.71