---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-427177 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: 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 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 9.2G 69G 12% / 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 611 11829 4 3548 15035 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:b2:93:b8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.93/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82690sec preferred_lft 82690sec inet6 fe80::f816:3eff:feb2:93b8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d6:1a:a6:25:00:8e 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-4c-4g-427177) 03/10/26 _x86_64_ (4 CPU) 11:51:59 LINUX RESTART (4 CPU) 12:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:10:00 1.39 0.00 1.38 0.00 0.04 18.49 8.80 12:20:00 1.17 0.00 1.17 0.00 0.16 15.08 0.00 12:30:00 3.03 0.01 2.83 0.19 0.32 232.26 19.27 12:40:00 1.31 0.00 1.31 0.00 0.00 16.05 0.00 12:50:00 1.29 0.00 1.29 0.00 0.00 15.19 0.00 Average: 1.64 0.00 1.59 0.04 0.10 59.41 5.61 12:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:10:00 10429892 13638904 2322856 14.19 114964 3249480 2615072 15.01 730904 4829596 24 12:20:00 10429644 13639068 2322640 14.19 115344 3249536 2615396 15.01 731268 4829956 56 12:30:00 10380432 13646820 2313900 14.13 117576 3302760 2607336 14.97 734360 4882100 20 12:40:00 10380432 13647248 2313608 14.13 117964 3302772 2607400 14.97 734772 4881884 16 12:50:00 10379944 13647244 2313580 14.13 118292 3302904 2607464 14.97 735104 4882036 20 Average: 10400069 13643857 2317317 14.15 116828 3281490 2610534 14.98 733282 4861114 27 12:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:10:00 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 12:10:00 ens3 0.37 0.17 0.14 0.08 0.00 0.00 0.00 0.00 12:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:20:00 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 12:20:00 ens3 0.18 0.08 0.04 0.02 0.00 0.00 0.00 0.00 12:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:00 lo 0.13 0.13 0.01 0.01 0.00 0.00 0.00 0.00 12:30:00 ens3 4.20 1.85 82.60 0.18 0.00 0.00 0.00 0.00 12:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:40:00 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 12:40:00 ens3 0.35 0.16 0.11 0.07 0.00 0.00 0.00 0.00 12:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:50:00 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 12:50:00 ens3 0.22 0.08 0.04 0.02 0.00 0.00 0.00 0.00 12:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 Average: ens3 1.06 0.47 16.59 0.07 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-4c-4g-427177) 03/10/26 _x86_64_ (4 CPU) 11:51:59 LINUX RESTART (4 CPU) 12:00:00 CPU %user %nice %system %iowait %steal %idle 12:10:00 all 0.40 0.00 0.11 0.01 0.06 99.42 12:10:00 0 0.26 0.00 0.12 0.00 0.05 99.57 12:10:00 1 0.61 0.00 0.15 0.05 0.07 99.12 12:10:00 2 0.33 0.00 0.09 0.00 0.05 99.53 12:10:00 3 0.39 0.00 0.09 0.00 0.05 99.46 12:20:00 all 0.32 0.00 0.11 0.02 0.06 99.50 12:20:00 0 0.25 0.00 0.11 0.00 0.06 99.58 12:20:00 1 0.37 0.00 0.11 0.07 0.05 99.40 12:20:00 2 0.52 0.00 0.13 0.00 0.06 99.29 12:20:00 3 0.14 0.00 0.09 0.00 0.05 99.72 12:30:00 all 0.44 0.00 0.14 0.05 0.05 99.31 12:30:00 0 0.29 0.00 0.15 0.04 0.06 99.46 12:30:00 1 1.10 0.00 0.19 0.11 0.08 98.52 12:30:00 2 0.18 0.00 0.12 0.01 0.04 99.65 12:30:00 3 0.17 0.00 0.11 0.05 0.03 99.64 12:40:00 all 0.32 0.00 0.11 0.04 0.05 99.47 12:40:00 0 0.22 0.00 0.17 0.00 0.08 99.52 12:40:00 1 0.55 0.00 0.08 0.00 0.04 99.32 12:40:00 2 0.40 0.00 0.10 0.11 0.05 99.34 12:40:00 3 0.12 0.00 0.08 0.06 0.04 99.69 12:50:00 all 0.17 0.00 0.12 0.02 0.05 99.64 12:50:00 0 0.19 0.00 0.08 0.00 0.04 99.69 12:50:00 1 0.19 0.00 0.13 0.05 0.05 99.58 12:50:00 2 0.21 0.00 0.17 0.01 0.08 99.53 12:50:00 3 0.09 0.00 0.09 0.01 0.05 99.77 Average: all 0.33 0.00 0.12 0.03 0.05 99.47 Average: 0 0.24 0.00 0.13 0.01 0.06 99.56 Average: 1 0.57 0.00 0.13 0.06 0.06 99.19 Average: 2 0.33 0.00 0.12 0.03 0.05 99.47 Average: 3 0.18 0.00 0.09 0.03 0.04 99.65