---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-41446 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 661 9611 4 5716 14984 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:29:68:7a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.180/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84624sec preferred_lft 84624sec inet6 fe80::f816:3eff:fe29:687a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ee:12:f9:f7:00:db 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-41446) 08/27/26 _x86_64_ (4 CPU) 11:18:45 LINUX RESTART (4 CPU) 11:20:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:30:06 83.24 3.45 57.58 22.21 181.54 6518.95 421365.65 11:40:06 15.71 0.18 13.31 2.21 5.04 1382.03 23712.04 Average: 49.47 1.82 35.45 12.21 93.29 3950.45 222535.53 11:20:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:30:06 9442988 13188840 2768136 16.91 154828 3716768 3118216 17.90 718872 5827380 14836 11:40:06 8503864 12730968 3222136 19.68 172720 4149368 3454168 19.83 845612 6601320 171064 Average: 8973426 12959904 2995136 18.29 163774 3933068 3286192 18.86 782242 6214350 92950 11:20:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:30:06 lo 17.34 17.34 3.73 3.73 0.00 0.00 0.00 0.00 11:30:06 ens3 75.77 59.39 1127.55 10.60 0.00 0.00 0.00 0.00 11:30:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:06 lo 1030.25 1030.25 949.00 949.00 0.00 0.00 0.00 0.00 11:40:06 ens3 28.17 19.22 247.02 3.37 0.00 0.00 0.00 0.00 11:40:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 523.81 523.81 476.37 476.37 0.00 0.00 0.00 0.00 Average: ens3 51.97 39.30 687.28 6.98 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-41446) 08/27/26 _x86_64_ (4 CPU) 11:18:45 LINUX RESTART (4 CPU) 11:20:06 CPU %user %nice %system %iowait %steal %idle 11:30:06 all 35.75 0.00 1.93 0.75 0.02 61.56 11:30:06 0 34.02 0.00 1.94 0.52 0.02 63.50 11:30:06 1 35.58 0.00 2.08 1.14 0.02 61.18 11:30:06 2 37.97 0.00 2.01 0.68 0.02 59.32 11:30:06 3 35.46 0.00 1.67 0.64 0.01 62.23 11:40:06 all 22.94 0.00 1.46 0.09 0.01 75.50 11:40:06 0 21.56 0.00 1.35 0.03 0.01 77.05 11:40:06 1 23.26 0.00 1.24 0.06 0.01 75.43 11:40:06 2 23.17 0.00 1.41 0.10 0.01 75.31 11:40:06 3 23.79 0.00 1.84 0.15 0.02 74.20 Average: all 29.35 0.00 1.69 0.42 0.01 68.53 Average: 0 27.79 0.00 1.64 0.28 0.01 70.28 Average: 1 29.42 0.00 1.66 0.60 0.01 68.30 Average: 2 30.57 0.00 1.71 0.39 0.01 67.31 Average: 3 29.63 0.00 1.76 0.39 0.02 68.21