---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-2816 5.15.0-190-generic #200-Ubuntu SMP Fri Aug 7 15:06:04 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 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: 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 8.7G 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 622 12551 4 2815 15030 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:17:1d:22 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.93/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82611sec preferred_lft 82611sec inet6 fe80::f816:3eff:fe17:1d22/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 76:72:0f:78:76:2a 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 5.15.0-190-generic (prd-ubuntu2204-docker-4c-4g-2816) 09/07/26 _x86_64_ (4 CPU) 06:10:10 LINUX RESTART (4 CPU) 06:20:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:30:01 1.32 0.02 1.29 0.01 0.14 15.34 0.19 06:40:09 1.54 0.00 1.53 0.01 0.00 17.46 0.07 06:50:09 1.40 0.00 1.39 0.01 0.00 16.32 266.31 07:00:01 1.45 0.00 1.44 0.01 0.00 17.45 0.05 07:10:09 14.83 0.00 1.79 13.03 0.14 49.15 237497.21 Average: 4.14 0.00 1.49 2.65 0.06 23.23 48158.38 06:20:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:30:01 13027512 15530144 447216 2.73 92304 2603612 1010016 5.80 314392 2711892 200 06:40:09 13027008 15530276 447036 2.73 92800 2603748 1010016 5.80 314876 2711904 4 06:50:09 13026252 15530064 447148 2.73 93196 2603880 1010200 5.80 315288 2712856 32 07:00:01 13023524 15527916 449208 2.74 93764 2603892 1010200 5.80 315816 2717012 200 07:10:09 12992336 15506156 470476 2.87 97552 2608952 1011204 5.80 324416 2733856 192 Average: 13019326 15524911 452217 2.76 93923 2604817 1010327 5.80 316958 2717504 126 06:20:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:30:01 lo 0.07 0.07 0.00 0.00 0.00 0.00 0.00 0.00 06:30:01 ens3 0.55 0.10 0.05 0.02 0.00 0.00 0.00 0.00 06:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:40:09 lo 0.05 0.05 0.00 0.00 0.00 0.00 0.00 0.00 06:40:09 ens3 0.57 0.07 0.05 0.02 0.00 0.00 0.00 0.00 06:40:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:50:09 lo 0.07 0.07 0.00 0.00 0.00 0.00 0.00 0.00 06:50:09 ens3 0.53 0.12 0.12 0.02 0.00 0.00 0.00 0.00 06:50:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:00:01 lo 0.06 0.06 0.00 0.00 0.00 0.00 0.00 0.00 07:00:01 ens3 1.12 0.46 0.52 0.19 0.00 0.00 0.00 0.00 07:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:10:09 lo 0.07 0.07 0.00 0.00 0.00 0.00 0.00 0.00 07:10:09 ens3 12.18 9.13 32.11 1.75 0.00 0.00 0.00 0.00 07:10:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.06 0.06 0.00 0.00 0.00 0.00 0.00 0.00 Average: ens3 3.02 2.00 6.65 0.40 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 5.15.0-190-generic (prd-ubuntu2204-docker-4c-4g-2816) 09/07/26 _x86_64_ (4 CPU) 06:10:10 LINUX RESTART (4 CPU) 06:20:09 CPU %user %nice %system %iowait %steal %idle 06:30:01 all 0.15 0.00 0.03 0.01 0.00 99.81 06:30:01 0 0.48 0.00 0.04 0.00 0.00 99.48 06:30:01 1 0.02 0.00 0.04 0.00 0.00 99.93 06:30:01 2 0.02 0.00 0.02 0.02 0.00 99.94 06:30:01 3 0.09 0.00 0.02 0.00 0.00 99.88 06:40:09 all 0.02 0.00 0.03 0.01 0.00 99.94 06:40:09 0 0.02 0.00 0.03 0.00 0.00 99.95 06:40:09 1 0.01 0.00 0.02 0.00 0.00 99.96 06:40:09 2 0.02 0.00 0.03 0.03 0.00 99.91 06:40:09 3 0.02 0.00 0.02 0.00 0.00 99.96 06:50:09 all 0.03 0.00 0.03 0.01 0.00 99.93 06:50:09 0 0.04 0.00 0.03 0.01 0.00 99.93 06:50:09 1 0.02 0.00 0.03 0.01 0.00 99.94 06:50:09 2 0.02 0.00 0.03 0.02 0.00 99.93 06:50:09 3 0.03 0.00 0.03 0.00 0.00 99.94 07:00:01 all 0.36 0.00 0.03 0.01 0.00 99.60 07:00:01 0 1.35 0.00 0.06 0.00 0.00 98.58 07:00:01 1 0.03 0.00 0.02 0.00 0.00 99.95 07:00:01 2 0.02 0.00 0.03 0.03 0.00 99.92 07:00:01 3 0.02 0.00 0.03 0.00 0.00 99.95 07:10:09 all 0.07 0.00 0.06 0.04 0.00 99.82 07:10:09 0 0.02 0.00 0.04 0.02 0.00 99.92 07:10:09 1 0.09 0.00 0.06 0.00 0.00 99.85 07:10:09 2 0.08 0.00 0.06 0.03 0.00 99.82 07:10:09 3 0.11 0.00 0.10 0.10 0.00 99.69 Average: all 0.13 0.00 0.04 0.01 0.00 99.82 Average: 0 0.38 0.00 0.04 0.01 0.00 99.57 Average: 1 0.03 0.00 0.03 0.00 0.00 99.93 Average: 2 0.03 0.00 0.03 0.02 0.00 99.91 Average: 3 0.05 0.00 0.04 0.02 0.00 99.88