---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-41386 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 11G 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 648 9861 4 5479 14996 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:e8:2a:97 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.118/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84456sec preferred_lft 84456sec inet6 fe80::f816:3eff:fee8:2a97/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9a:2c:b1:b7:4f:15 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-41386) 08/27/26 _x86_64_ (4 CPU) 06:38:46 LINUX RESTART (4 CPU) 06:40:30 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:50:06 60.89 3.56 49.69 7.64 192.69 5420.37 136222.86 07:00:01 12.30 0.18 10.27 1.85 5.08 850.05 31893.15 07:10:06 48.21 0.27 29.15 18.78 13.62 6701.65 245684.26 Average: 40.28 1.31 29.48 9.49 68.81 4323.25 138476.98 06:40:30 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:50:06 9444580 12845244 3114016 19.02 153480 3378736 3351912 19.24 659848 5884596 5648 07:00:01 9151940 13040880 2915432 17.81 171692 3814432 3209292 18.42 760088 6043932 287816 07:10:06 10181356 15435432 512320 3.13 193572 5089636 1036300 5.95 1331256 4337156 176 Average: 9592625 13773852 2180589 13.32 172915 4094268 2532501 14.54 917064 5421895 97880 06:40:30 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:50:06 lo 17.53 17.53 3.85 3.85 0.00 0.00 0.00 0.00 06:50:06 ens3 71.49 58.87 739.32 14.13 0.00 0.00 0.00 0.00 06:50:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:00:01 lo 244.02 244.02 199.94 199.94 0.00 0.00 0.00 0.00 07:00:01 ens3 27.53 18.26 237.76 3.81 0.00 0.00 0.00 0.00 07:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:10:06 lo 2324.79 2324.79 2236.43 2236.43 0.00 0.00 0.00 0.00 07:10:06 ens3 98.22 93.66 300.19 629.18 0.00 0.00 0.00 0.00 07:10:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 878.74 878.74 829.45 829.45 0.00 0.00 0.00 0.00 Average: ens3 65.84 57.09 421.61 219.99 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-41386) 08/27/26 _x86_64_ (4 CPU) 06:38:46 LINUX RESTART (4 CPU) 06:40:30 CPU %user %nice %system %iowait %steal %idle 06:50:06 all 34.91 0.00 1.62 0.50 0.02 62.95 06:50:06 0 37.08 0.00 1.96 0.40 0.02 60.53 06:50:06 1 34.61 0.00 1.59 0.46 0.03 63.32 06:50:06 2 34.06 0.00 1.51 0.40 0.02 64.01 06:50:06 3 33.88 0.00 1.43 0.74 0.02 63.94 07:00:01 all 20.43 0.00 1.15 0.15 0.02 78.25 07:00:01 0 20.23 0.00 1.29 0.27 0.02 78.20 07:00:01 1 20.19 0.00 1.11 0.09 0.02 78.60 07:00:01 2 20.34 0.00 1.07 0.14 0.02 78.43 07:00:01 3 20.96 0.00 1.16 0.10 0.02 77.76 07:10:06 all 46.74 0.00 2.77 0.16 0.02 50.32 07:10:06 0 43.23 0.00 2.59 0.14 0.01 54.02 07:10:06 1 45.70 0.00 2.72 0.12 0.01 51.45 07:10:06 2 49.79 0.00 3.05 0.16 0.01 46.99 07:10:06 3 48.25 0.00 2.71 0.21 0.02 48.81 Average: all 34.08 0.00 1.86 0.27 0.02 63.78 Average: 0 33.51 0.00 1.95 0.27 0.02 64.25 Average: 1 33.54 0.00 1.81 0.22 0.02 64.41 Average: 2 34.82 0.00 1.89 0.23 0.02 63.04 Average: 3 34.44 0.00 1.77 0.34 0.02 63.43