---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-46175 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: 5600.00 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 11G 67G 14% / 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 652 10104 4 5232 14993 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:6b:1a:ed brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.172/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84766sec preferred_lft 84766sec inet6 fe80::f816:3eff:fe6b:1aed/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9a:4d:4f:26:d1:0a 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-46175) 08/31/26 _x86_64_ (4 CPU) 00:25:26 LINUX RESTART (4 CPU) 00:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:13 7.87 0.30 7.03 0.54 33.98 1502.91 10130.84 00:50:13 22.34 0.52 20.15 1.67 19.68 2645.76 11119.68 Average: 15.04 0.41 13.52 1.10 26.90 2068.73 10620.41 00:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:13 9233524 12594872 3365772 20.56 121196 3388176 3595016 20.64 527672 6232192 812 00:50:13 8373028 12479036 3476112 21.23 142364 4072020 3557412 20.42 771700 6816336 269292 Average: 8803276 12536954 3420942 20.89 131780 3730098 3576214 20.53 649686 6524264 135052 00:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:13 lo 0.64 0.64 0.37 0.37 0.00 0.00 0.00 0.00 00:40:13 ens3 21.62 14.46 352.91 3.01 0.00 0.00 0.00 0.00 00:40:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:13 lo 664.53 664.53 633.57 633.57 0.00 0.00 0.00 0.00 00:50:13 ens3 37.19 28.00 442.47 4.39 0.00 0.00 0.00 0.00 00:50:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 329.33 329.33 313.86 313.86 0.00 0.00 0.00 0.00 Average: ens3 29.33 21.17 397.25 3.69 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-46175) 08/31/26 _x86_64_ (4 CPU) 00:25:26 LINUX RESTART (4 CPU) 00:30:01 CPU %user %nice %system %iowait %steal %idle 00:40:13 all 47.52 0.00 0.97 0.07 0.03 51.40 00:40:13 0 61.53 0.00 1.19 0.06 0.04 37.18 00:40:13 1 52.04 0.00 0.90 0.02 0.04 47.01 00:40:13 2 39.36 0.00 0.86 0.10 0.02 59.66 00:40:13 3 37.16 0.00 0.94 0.10 0.02 61.77 00:50:13 all 54.30 0.00 1.69 0.08 0.04 43.88 00:50:13 0 47.31 0.00 1.61 0.06 0.03 50.99 00:50:13 1 67.90 0.00 1.70 0.07 0.06 30.27 00:50:13 2 46.58 0.00 1.72 0.13 0.03 51.54 00:50:13 3 55.42 0.00 1.74 0.06 0.04 42.74 Average: all 50.88 0.00 1.33 0.07 0.03 47.68 Average: 0 54.50 0.00 1.40 0.06 0.04 44.01 Average: 1 59.89 0.00 1.30 0.04 0.05 38.72 Average: 2 42.93 0.00 1.29 0.12 0.02 55.65 Average: 3 46.20 0.00 1.34 0.08 0.03 52.36