---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-47029 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 12G 66G 15% / 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 668 9267 4 6053 14977 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:51:5e:3f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.82/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83330sec preferred_lft 83330sec inet6 fe80::f816:3eff:fe51:5e3f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8e:36:ea:20:1d:e8 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-47029) 09/03/26 _x86_64_ (4 CPU) 04:56:04 LINUX RESTART (4 CPU) 05:00:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:10:01 1.60 0.04 1.56 0.01 1.39 19.64 0.61 05:20:01 37.23 4.71 31.34 1.18 277.82 5441.95 8334.06 05:30:02 15.16 0.02 12.41 2.74 0.57 952.90 45630.16 05:40:01 27.19 0.17 23.24 3.79 5.24 2322.20 29754.76 Average: 20.30 1.23 17.14 1.93 71.31 2184.64 20940.38 05:00:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:10:01 13772380 15553532 465204 2.84 53824 1955156 1163760 6.68 193000 2166144 200 05:20:01 10208216 13575368 2384788 14.57 120732 3377712 2683288 15.40 628904 5163144 3548 05:30:02 9253892 12843116 3114576 19.02 135904 3564888 3313644 19.02 681936 6027060 356 05:40:01 8069400 12864348 3087244 18.86 161400 4685932 3056696 17.55 1096020 6736068 704212 Average: 10325972 13709091 2262953 13.82 117965 3395922 2554347 14.66 649965 5023104 177079 05:00:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:10:01 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 05:10:01 ens3 0.26 0.12 0.08 0.04 0.00 0.00 0.00 0.00 05:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:20:01 lo 0.55 0.55 0.05 0.05 0.00 0.00 0.00 0.00 05:20:01 ens3 144.43 108.15 997.01 19.33 0.00 0.00 0.00 0.00 05:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:30:02 lo 38.98 38.98 9.37 9.37 0.00 0.00 0.00 0.00 05:30:02 ens3 10.28 8.36 12.88 3.28 0.00 0.00 0.00 0.00 05:30:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:40:01 lo 1706.49 1706.49 1609.09 1609.09 0.00 0.00 0.00 0.00 05:40:01 ens3 67.23 53.00 378.18 12.11 0.00 0.00 0.00 0.00 05:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 435.67 435.67 403.81 403.81 0.00 0.00 0.00 0.00 Average: ens3 55.55 42.41 347.06 8.69 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-47029) 09/03/26 _x86_64_ (4 CPU) 04:56:04 LINUX RESTART (4 CPU) 05:00:02 CPU %user %nice %system %iowait %steal %idle 05:10:01 all 0.05 0.00 0.03 0.01 0.00 99.91 05:10:01 0 0.04 0.00 0.04 0.00 0.00 99.92 05:10:01 1 0.03 0.00 0.03 0.05 0.00 99.89 05:10:01 2 0.03 0.00 0.04 0.01 0.00 99.93 05:10:01 3 0.10 0.00 0.02 0.00 0.00 99.88 05:20:01 all 20.07 0.00 1.12 0.38 0.01 78.42 05:20:01 0 20.80 0.00 1.19 0.26 0.02 77.73 05:20:01 1 20.56 0.00 1.22 0.38 0.01 77.83 05:20:01 2 20.95 0.00 1.22 0.79 0.01 77.02 05:20:01 3 17.97 0.00 0.85 0.08 0.01 81.09 05:30:02 all 25.21 0.00 1.13 0.11 0.02 73.53 05:30:02 0 25.26 0.00 1.24 0.06 0.02 73.43 05:30:02 1 25.67 0.00 1.16 0.06 0.02 73.09 05:30:02 2 24.92 0.00 1.09 0.24 0.02 73.74 05:30:02 3 25.00 0.00 1.03 0.09 0.02 73.87 05:40:01 all 42.16 0.00 2.45 0.09 0.02 55.27 05:40:01 0 42.82 0.00 2.38 0.06 0.02 54.72 05:40:01 1 42.17 0.00 2.58 0.12 0.02 55.11 05:40:01 2 41.79 0.00 2.42 0.15 0.02 55.63 05:40:01 3 41.88 0.00 2.44 0.05 0.02 55.62 Average: all 21.85 0.00 1.18 0.15 0.01 76.80 Average: 0 22.21 0.00 1.21 0.09 0.01 76.47 Average: 1 22.08 0.00 1.25 0.15 0.01 76.51 Average: 2 21.89 0.00 1.19 0.30 0.01 76.61 Average: 3 21.23 0.00 1.08 0.05 0.01 77.63