---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-31119 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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 12G 66G 16% / 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 648 8858 4 6482 14998 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:b4:a8:45 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.90/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84420sec preferred_lft 84420sec inet6 fe80::f816:3eff:feb4:a845/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ba:b1:f6:5c:65:83 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-31119) 06/27/26 _x86_64_ (4 CPU) 17:29:50 LINUX RESTART (4 CPU) 17:30:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:40:04 62.22 11.92 48.64 1.67 1734.03 9626.69 10631.17 17:50:04 5.65 0.18 5.10 0.37 5.17 2109.91 767.83 18:00:04 23.42 0.01 9.47 13.94 0.16 5769.00 288112.00 Average: 30.49 4.05 21.12 5.32 582.10 5842.81 99657.96 17:30:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:40:04 10008096 13415264 2545068 15.54 125400 3424440 2799384 16.07 662724 5334772 17496 17:50:04 8578636 12753152 3202500 19.56 139124 4139216 3367972 19.33 950796 6439472 122692 18:00:04 6961584 12613668 3335952 20.37 159764 5542692 3520520 20.21 1618568 7308564 27728 Average: 8516105 12927361 3027840 18.49 141429 4368783 3229292 18.54 1077363 6360936 55972 17:30:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:40:04 lo 9.04 9.04 1.33 1.33 0.00 0.00 0.00 0.00 17:40:04 ens3 188.63 137.03 1055.69 67.15 0.00 0.00 0.00 0.00 17:40:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:50:04 lo 4.10 4.10 2.34 2.34 0.00 0.00 0.00 0.00 17:50:04 ens3 51.68 45.89 30.13 412.22 0.00 0.00 0.00 0.00 17:50:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:00:04 lo 2567.69 2567.69 9292.04 9292.04 0.00 0.00 0.00 0.00 18:00:04 ens3 37.80 38.91 208.48 546.56 0.00 0.00 0.00 0.00 18:00:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 858.57 858.57 3092.35 3092.35 0.00 0.00 0.00 0.00 Average: ens3 92.90 74.07 432.69 341.42 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-31119) 06/27/26 _x86_64_ (4 CPU) 17:29:50 LINUX RESTART (4 CPU) 17:30:00 CPU %user %nice %system %iowait %steal %idle 17:40:04 all 46.80 0.00 1.85 0.48 0.09 50.78 17:40:04 0 48.50 0.00 1.82 0.61 0.09 48.99 17:40:04 1 45.62 0.00 1.81 0.25 0.09 52.23 17:40:04 2 46.91 0.00 2.29 0.87 0.09 49.85 17:40:04 3 46.16 0.00 1.49 0.20 0.08 52.07 17:50:04 all 45.80 0.00 1.44 0.04 0.09 52.63 17:50:04 0 44.63 0.00 1.31 0.06 0.09 53.92 17:50:04 1 44.55 0.00 1.45 0.03 0.09 53.89 17:50:04 2 45.32 0.00 1.56 0.04 0.08 53.00 17:50:04 3 48.70 0.00 1.46 0.04 0.09 49.71 18:00:04 all 29.65 0.00 1.18 0.11 0.08 68.99 18:00:04 0 26.56 0.00 1.41 0.09 0.07 71.87 18:00:04 1 27.23 0.00 0.83 0.17 0.08 71.69 18:00:04 2 34.08 0.00 0.75 0.02 0.08 65.07 18:00:04 3 30.74 0.00 1.71 0.14 0.08 67.33 Average: all 40.75 0.00 1.49 0.21 0.08 57.46 Average: 0 39.90 0.00 1.51 0.25 0.08 58.25 Average: 1 39.15 0.00 1.36 0.15 0.09 59.25 Average: 2 42.10 0.00 1.53 0.31 0.08 55.97 Average: 3 41.87 0.00 1.55 0.13 0.09 56.37