---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-46543 5.15.0-186-generic #196-Ubuntu SMP Sat Jun 20 16:09:34 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 728 9465 4 5795 14917 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:f4:b2:fe brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.117/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84506sec preferred_lft 84506sec inet6 fe80::f816:3eff:fef4:b2fe/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fa:2b:10:13:cb:f6 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-46543) 09/01/26 _x86_64_ (4 CPU) 07:36:59 LINUX RESTART (4 CPU) 07:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:50:02 36.81 2.65 18.92 15.24 147.28 4876.94 243633.51 08:00:02 30.99 0.07 27.68 3.24 1.92 3178.07 15141.03 Average: 33.90 1.36 23.30 9.24 74.65 4028.12 129470.04 07:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:50:02 9042268 12867072 3088028 18.86 161144 3745512 3376912 19.38 723232 6177144 17552 08:00:02 8282272 13094960 2855072 17.44 189340 4643728 3055296 17.54 899260 6686156 417348 Average: 8662270 12981016 2971550 18.15 175242 4194620 3216104 18.46 811246 6431650 217450 07:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:50:02 lo 793.46 793.46 756.16 756.16 0.00 0.00 0.00 0.00 07:50:02 ens3 96.68 79.55 875.34 18.98 0.00 0.00 0.00 0.00 07:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:00:02 lo 1603.28 1603.28 1528.11 1528.11 0.00 0.00 0.00 0.00 08:00:02 ens3 43.77 34.59 237.82 12.02 0.00 0.00 0.00 0.00 08:00:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1198.08 1198.08 1141.85 1141.85 0.00 0.00 0.00 0.00 Average: ens3 70.25 57.08 556.81 15.51 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-46543) 09/01/26 _x86_64_ (4 CPU) 07:36:59 LINUX RESTART (4 CPU) 07:40:01 CPU %user %nice %system %iowait %steal %idle 07:50:02 all 60.35 0.00 2.40 0.12 0.03 37.09 07:50:02 0 59.22 0.00 2.26 0.18 0.04 38.30 07:50:02 1 61.93 0.00 2.48 0.06 0.03 35.51 07:50:02 2 59.98 0.00 2.56 0.14 0.02 37.30 07:50:02 3 60.29 0.00 2.31 0.12 0.02 37.26 08:00:02 all 54.87 0.00 2.76 0.07 0.02 42.28 08:00:02 0 56.71 0.00 2.79 0.12 0.03 40.36 08:00:02 1 53.59 0.00 2.56 0.06 0.02 43.77 08:00:02 2 53.39 0.00 3.05 0.05 0.01 43.49 08:00:02 3 55.78 0.00 2.65 0.07 0.02 41.49 Average: all 57.61 0.00 2.58 0.10 0.02 39.68 Average: 0 57.97 0.00 2.52 0.15 0.03 39.33 Average: 1 57.76 0.00 2.52 0.06 0.02 39.64 Average: 2 56.69 0.00 2.81 0.10 0.02 40.39 Average: 3 58.04 0.00 2.48 0.09 0.02 39.37