---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3180 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 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 9469 4 5791 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:6c:12:74 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.222/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83833sec preferred_lft 83833sec inet6 fe80::f816:3eff:fe6c:1274/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8e:3e:6b:e7:64:33 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-3180) 09/08/26 _x86_64_ (4 CPU) 15:47:26 LINUX RESTART (4 CPU) 15:50:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:00:14 30.64 2.77 13.97 13.90 151.58 4730.14 233599.96 16:10:01 30.03 0.04 26.82 3.17 1.43 2407.76 24904.60 16:20:14 21.71 0.04 18.94 2.73 0.51 5598.96 85219.64 Average: 27.42 0.96 19.81 6.65 51.87 4273.11 115859.94 15:50:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:00:14 9857184 13539300 2417704 14.77 149836 3626404 2698080 15.49 650208 5450732 29980 16:10:01 8965456 13221736 2731092 16.68 171172 4144848 3467288 19.90 800812 6112288 247660 16:20:14 6274352 11454844 4492760 27.44 190844 5000796 4645172 26.66 921660 8667668 37224 Average: 8365664 12738627 3213852 19.63 170617 4257349 3603513 20.68 790893 6743563 104955 15:50:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:00:14 lo 534.05 534.05 509.14 509.14 0.00 0.00 0.00 0.00 16:00:14 ens3 145.60 109.53 820.14 18.73 0.00 0.00 0.00 0.00 16:00:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:10:01 lo 2204.57 2204.57 2103.24 2103.24 0.00 0.00 0.00 0.00 16:10:01 ens3 42.38 33.77 229.28 9.92 0.00 0.00 0.00 0.00 16:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:20:14 lo 423.59 423.59 402.88 402.88 0.00 0.00 0.00 0.00 16:20:14 ens3 36.00 32.19 106.42 11.73 0.00 0.00 0.00 0.00 16:20:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1036.99 1036.99 988.78 988.78 0.00 0.00 0.00 0.00 Average: ens3 75.10 58.84 387.38 13.51 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 5.15.0-190-generic (prd-ubuntu2204-docker-4c-4g-3180) 09/08/26 _x86_64_ (4 CPU) 15:47:26 LINUX RESTART (4 CPU) 15:50:02 CPU %user %nice %system %iowait %steal %idle 16:00:14 all 41.69 0.00 1.74 0.12 0.03 56.42 16:00:14 0 40.24 0.00 1.74 0.10 0.03 57.89 16:00:14 1 42.78 0.00 1.61 0.15 0.03 55.43 16:00:14 2 40.86 0.00 1.55 0.10 0.03 57.47 16:00:14 3 42.86 0.00 2.07 0.13 0.03 54.91 16:10:01 all 48.98 0.00 2.66 0.11 0.03 48.22 16:10:01 0 47.84 0.00 2.43 0.10 0.02 49.60 16:10:01 1 47.20 0.00 2.96 0.12 0.03 49.69 16:10:01 2 50.52 0.00 2.75 0.14 0.03 46.56 16:10:01 3 50.36 0.00 2.51 0.07 0.03 47.03 16:20:14 all 53.27 0.00 2.09 0.07 0.03 44.54 16:20:14 0 52.00 0.00 2.30 0.09 0.03 45.58 16:20:14 1 51.77 0.00 1.66 0.05 0.03 46.49 16:20:14 2 54.19 0.00 2.41 0.10 0.03 43.27 16:20:14 3 55.12 0.00 2.00 0.04 0.03 42.81 Average: all 47.97 0.00 2.16 0.10 0.03 49.75 Average: 0 46.68 0.00 2.15 0.10 0.03 51.04 Average: 1 47.25 0.00 2.06 0.11 0.03 50.55 Average: 2 48.50 0.00 2.23 0.11 0.03 49.13 Average: 3 49.44 0.00 2.19 0.08 0.03 48.26