---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-37813 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 nrip_save 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 68G 13% / 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 684 10857 4 4447 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:46:79:26 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.244/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84975sec preferred_lft 84975sec inet6 fe80::f816:3eff:fe46:7926/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether f6:68:76:4e:c1:11 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-37813) 08/15/26 _x86_64_ (4 CPU) 21:39:24 LINUX RESTART (4 CPU) 21:40:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:50:01 22.32 3.28 18.10 0.95 381.62 4564.92 546.75 22:00:08 25.03 0.55 10.55 13.92 21.47 1877.06 239747.89 Average: 23.70 1.90 14.27 7.53 198.87 3201.02 121924.23 21:40:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:50:01 8747588 11934684 4028720 24.61 109952 3239888 4296892 24.66 532472 6752928 392 22:00:08 8230032 12000428 3958664 24.18 129364 3769200 4251888 24.41 727504 7033208 110648 Average: 8488810 11967556 3993692 24.39 119658 3504544 4274390 24.53 629988 6893068 55520 21:40:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:50:01 lo 0.53 0.53 0.05 0.05 0.00 0.00 0.00 0.00 21:50:01 ens3 75.34 56.56 931.13 8.94 0.00 0.00 0.00 0.00 21:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:00:08 lo 319.53 319.53 304.32 304.32 0.00 0.00 0.00 0.00 22:00:08 ens3 46.06 33.64 448.69 5.61 0.00 0.00 0.00 0.00 22:00:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 162.40 162.40 154.45 154.45 0.00 0.00 0.00 0.00 Average: ens3 60.49 44.93 686.33 7.25 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-37813) 08/15/26 _x86_64_ (4 CPU) 21:39:24 LINUX RESTART (4 CPU) 21:40:11 CPU %user %nice %system %iowait %steal %idle 21:50:01 all 49.48 0.00 1.26 0.23 0.08 48.95 21:50:01 0 45.63 0.00 1.07 0.32 0.08 52.89 21:50:01 1 53.09 0.00 1.10 0.11 0.07 45.63 21:50:01 2 50.27 0.00 1.52 0.40 0.08 47.73 21:50:01 3 48.94 0.00 1.34 0.09 0.07 49.56 22:00:08 all 49.94 0.00 1.05 0.05 0.08 48.88 22:00:08 0 45.21 0.00 1.07 0.04 0.08 53.60 22:00:08 1 45.02 0.00 0.90 0.05 0.08 53.95 22:00:08 2 53.23 0.00 1.16 0.06 0.07 45.49 22:00:08 3 56.28 0.00 1.07 0.06 0.08 42.50 Average: all 49.71 0.00 1.15 0.14 0.08 48.92 Average: 0 45.42 0.00 1.07 0.18 0.08 53.25 Average: 1 48.99 0.00 1.00 0.08 0.08 49.85 Average: 2 51.77 0.00 1.34 0.23 0.08 46.59 Average: 3 52.67 0.00 1.20 0.07 0.08 45.98