---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-6353 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 67G 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 718 9480 4 5790 14927 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:23:b5:29 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.135/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84083sec preferred_lft 84083sec inet6 fe80::f816:3eff:fe23:b529/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 42:c9:08:3e:a5:e4 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-6353) 09/09/26 _x86_64_ (4 CPU) 14:08:57 LINUX RESTART (4 CPU) 14:10:13 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:20:13 28.05 3.50 23.09 1.46 186.52 6325.52 1547.25 14:30:01 29.87 0.06 26.49 3.32 1.54 2608.49 11546.75 14:40:13 23.94 0.18 20.81 2.96 10.52 6655.42 104646.62 Average: 27.25 1.25 23.42 2.58 66.25 5223.61 39871.16 14:10:13 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:20:13 9126704 13029480 2926408 17.87 150788 3837728 3221092 18.49 691324 6113472 212452 14:30:01 8904856 13065144 2888164 17.64 168904 4048520 3113232 17.87 815276 6201360 72736 14:40:13 9793076 15358292 588344 3.59 199760 5340116 1152972 6.62 935272 5076916 396 Average: 9274879 13817639 2134305 13.04 173151 4408788 2495765 14.33 813957 5797249 95195 14:10:13 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:20:13 lo 534.26 534.26 508.13 508.13 0.00 0.00 0.00 0.00 14:20:13 ens3 126.13 98.66 1006.70 24.37 0.00 0.00 0.00 0.00 14:20:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:30:01 lo 1819.33 1819.33 1735.18 1735.18 0.00 0.00 0.00 0.00 14:30:01 ens3 34.41 28.63 162.62 11.06 0.00 0.00 0.00 0.00 14:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:40:13 lo 313.53 313.53 296.80 296.80 0.00 0.00 0.00 0.00 14:40:13 ens3 36.62 33.63 108.55 45.31 0.00 0.00 0.00 0.00 14:40:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 878.94 878.94 837.06 837.06 0.00 0.00 0.00 0.00 Average: ens3 65.73 53.67 425.59 27.14 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-6353) 09/09/26 _x86_64_ (4 CPU) 14:08:57 LINUX RESTART (4 CPU) 14:10:13 CPU %user %nice %system %iowait %steal %idle 14:20:13 all 48.65 0.00 2.00 0.32 0.07 48.96 14:20:13 0 49.16 0.00 1.91 0.18 0.07 48.67 14:20:13 1 50.71 0.00 2.40 0.09 0.07 46.73 14:20:13 2 48.65 0.00 2.03 0.84 0.08 48.41 14:20:13 3 46.10 0.00 1.66 0.15 0.07 52.02 14:30:01 all 57.29 0.00 2.69 0.09 0.05 39.87 14:30:01 0 57.24 0.00 2.62 0.07 0.05 40.02 14:30:01 1 59.08 0.00 2.51 0.16 0.05 38.20 14:30:01 2 54.55 0.00 2.77 0.10 0.06 42.51 14:30:01 3 58.27 0.00 2.87 0.04 0.06 38.76 14:40:13 all 48.50 0.00 1.86 0.16 0.03 49.45 14:40:13 0 46.24 0.00 1.99 0.26 0.03 51.48 14:40:13 1 48.17 0.00 1.79 0.08 0.03 49.93 14:40:13 2 51.92 0.00 1.65 0.14 0.03 46.25 14:40:13 3 47.65 0.00 2.01 0.17 0.03 50.14 Average: all 51.42 0.00 2.18 0.19 0.05 46.16 Average: 0 50.81 0.00 2.17 0.17 0.05 46.80 Average: 1 52.58 0.00 2.23 0.11 0.05 45.03 Average: 2 51.69 0.00 2.14 0.36 0.05 45.75 Average: 3 50.60 0.00 2.18 0.12 0.05 47.05