---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-47153 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 66G 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 683 9245 4 6060 14962 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:e8:43:1f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.185/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83976sec preferred_lft 83976sec inet6 fe80::f816:3eff:fee8:431f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether be:3b:7e:e4:af:68 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-47153) 09/03/26 _x86_64_ (4 CPU) 10:42:36 LINUX RESTART (4 CPU) 10:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:00:08 22.75 2.44 17.40 2.90 143.46 3491.14 68477.97 11:10:01 8.03 0.01 6.72 1.31 0.05 636.57 26673.16 11:20:00 35.88 0.45 30.82 4.61 19.69 8537.53 16408.63 Average: 22.26 0.98 18.34 2.94 54.98 4228.96 37365.38 10:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:00:08 9802724 13303144 2655244 16.22 131460 3489136 2895140 16.62 664776 5504256 2020 11:10:01 10067072 13725892 2230652 13.62 141740 3622196 2493772 14.31 698592 5184772 5384 11:20:00 9522480 15370508 575732 3.52 177948 5673080 1139936 6.54 1587232 4714804 12 Average: 9797425 14133181 1820543 11.12 150383 4261471 2176283 12.49 983533 5134611 2472 10:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:00:08 lo 12.68 12.68 2.79 2.79 0.00 0.00 0.00 0.00 11:00:08 ens3 94.44 75.47 662.22 12.71 0.00 0.00 0.00 0.00 11:00:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:01 lo 53.93 53.93 14.09 14.09 0.00 0.00 0.00 0.00 11:10:01 ens3 4.45 4.17 4.43 1.79 0.00 0.00 0.00 0.00 11:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:00 lo 2688.36 2688.36 2588.37 2588.37 0.00 0.00 0.00 0.00 11:20:00 ens3 84.29 74.63 510.18 164.48 0.00 0.00 0.00 0.00 11:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 916.62 916.62 866.88 866.88 0.00 0.00 0.00 0.00 Average: ens3 61.39 51.68 394.70 59.61 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-47153) 09/03/26 _x86_64_ (4 CPU) 10:42:36 LINUX RESTART (4 CPU) 10:50:01 CPU %user %nice %system %iowait %steal %idle 11:00:08 all 30.79 0.00 1.34 0.39 0.02 67.46 11:00:08 0 31.69 0.00 1.47 0.77 0.02 66.05 11:00:08 1 30.53 0.00 1.33 0.28 0.02 67.84 11:00:08 2 30.71 0.00 1.29 0.19 0.03 67.78 11:00:08 3 30.21 0.00 1.27 0.31 0.03 68.18 11:10:01 all 15.99 0.00 0.90 0.05 0.04 83.01 11:10:01 0 15.98 0.00 0.93 0.03 0.04 83.01 11:10:01 1 16.11 0.00 1.02 0.04 0.04 82.78 11:10:01 2 16.13 0.00 0.80 0.08 0.04 82.95 11:10:01 3 15.73 0.00 0.85 0.06 0.05 83.31 11:20:00 all 50.41 0.00 3.07 0.18 0.04 46.30 11:20:00 0 50.15 0.00 3.00 0.31 0.04 46.50 11:20:00 1 49.83 0.00 3.20 0.05 0.04 46.88 11:20:00 2 50.51 0.00 3.06 0.09 0.04 46.30 11:20:00 3 51.15 0.00 3.04 0.26 0.04 45.50 Average: all 32.43 0.00 1.77 0.21 0.04 65.56 Average: 0 32.65 0.00 1.80 0.37 0.03 65.14 Average: 1 32.18 0.00 1.85 0.12 0.04 65.81 Average: 2 32.49 0.00 1.72 0.12 0.04 65.64 Average: 3 32.40 0.00 1.72 0.21 0.04 65.63