---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-7532 5.15.0-168-generic #178-Ubuntu SMP Fri Jan 9 19:05:03 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 67G 14% / 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 667 9859 4 5462 14979 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:7b:90:8a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.166/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84448sec preferred_lft 84448sec inet6 fe80::f816:3eff:fe7b:908a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ea:ad:b1:ed:b3:7f 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-7532) 02/04/26 _x86_64_ (4 CPU) 00:37:18 LINUX RESTART (4 CPU) 00:40:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:04 46.44 2.37 38.95 5.12 532.67 3911.13 108611.31 01:00:01 13.64 0.20 11.99 1.45 6.42 1545.75 12379.23 Average: 30.07 1.29 25.50 3.29 270.05 2730.73 60588.23 00:40:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:04 10117220 13578804 2380792 14.54 147404 3451576 3002956 17.24 777812 5111832 30420 01:00:01 9614992 13434304 2521812 15.40 163196 3766796 2800944 16.08 888448 5472932 17828 Average: 9866106 13506554 2451302 14.97 155300 3609186 2901950 16.66 833130 5292382 24124 00:40:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:04 lo 20.19 20.19 4.39 4.39 0.00 0.00 0.00 0.00 00:50:04 ens3 58.48 43.14 478.96 9.18 0.00 0.00 0.00 0.00 00:50:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:00:01 lo 829.53 829.53 758.26 758.26 0.00 0.00 0.00 0.00 01:00:01 ens3 30.30 21.28 276.36 5.34 0.00 0.00 0.00 0.00 01:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 424.08 424.08 380.60 380.60 0.00 0.00 0.00 0.00 Average: ens3 44.42 32.23 377.86 7.26 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-7532) 02/04/26 _x86_64_ (4 CPU) 00:37:18 LINUX RESTART (4 CPU) 00:40:05 CPU %user %nice %system %iowait %steal %idle 00:50:04 all 36.93 0.00 1.47 0.66 0.10 60.84 00:50:04 0 37.07 0.00 1.43 0.75 0.10 60.66 00:50:04 1 37.13 0.00 1.55 0.68 0.11 60.53 00:50:04 2 37.86 0.00 1.37 0.11 0.10 60.55 00:50:04 3 35.66 0.00 1.54 1.10 0.10 61.60 01:00:01 all 22.33 0.00 1.21 0.43 0.09 75.94 01:00:01 0 21.83 0.00 1.06 1.46 0.08 75.56 01:00:01 1 21.63 0.00 1.36 0.13 0.09 76.80 01:00:01 2 22.91 0.00 1.25 0.10 0.08 75.65 01:00:01 3 22.96 0.00 1.17 0.05 0.09 75.73 Average: all 29.64 0.00 1.34 0.55 0.09 68.37 Average: 0 29.46 0.00 1.25 1.10 0.09 68.10 Average: 1 29.40 0.00 1.45 0.40 0.10 68.65 Average: 2 30.40 0.00 1.31 0.11 0.09 68.09 Average: 3 29.31 0.00 1.36 0.57 0.10 68.66