---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-33825 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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 10G 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 10923 4 4380 14961 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:83:e4:d3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.8/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84836sec preferred_lft 84836sec inet6 fe80::f816:3eff:fe83:e4d3/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0e:e0:1a:08:05:3f 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-33825) 07/07/26 _x86_64_ (4 CPU) 22:55:19 LINUX RESTART (4 CPU) 23:00:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 23:10:08 46.32 0.05 38.07 8.20 2.33 3597.58 11391.76 23:20:09 22.51 0.15 18.23 4.12 9.91 2600.50 4611.11 Average: 34.41 0.10 28.15 6.16 6.12 3098.84 8000.05 23:00:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:10:08 10188428 13814312 2142980 13.09 168588 3552472 2605500 14.96 616208 5158788 93708 23:20:09 11357160 15479584 473648 2.89 197952 3980828 1004796 5.77 783228 3765924 76 Average: 10772794 14646948 1308314 7.99 183270 3766650 1805148 10.36 699718 4462356 46892 23:00:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 23:10:08 lo 4420.20 4420.20 4214.66 4214.66 0.00 0.00 0.00 0.00 23:10:08 ens3 98.60 75.95 30.25 27.00 0.00 0.00 0.00 0.00 23:10:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:20:09 lo 1671.80 1671.80 1575.29 1575.29 0.00 0.00 0.00 0.00 23:20:09 ens3 112.55 110.67 122.80 171.24 0.00 0.00 0.00 0.00 23:20:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3045.44 3045.44 2894.43 2894.43 0.00 0.00 0.00 0.00 Average: ens3 105.58 93.32 76.54 99.15 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-33825) 07/07/26 _x86_64_ (4 CPU) 22:55:19 LINUX RESTART (4 CPU) 23:00:09 CPU %user %nice %system %iowait %steal %idle 23:10:08 all 63.56 0.00 3.92 1.67 0.13 30.72 23:10:08 0 63.23 0.00 4.00 1.04 0.13 31.60 23:10:08 1 64.60 0.00 3.97 2.05 0.13 29.26 23:10:08 2 63.32 0.00 3.98 1.60 0.13 30.98 23:10:08 3 63.10 0.00 3.74 1.99 0.13 31.05 23:20:09 all 33.50 0.00 1.93 3.33 0.12 61.12 23:20:09 0 28.01 0.00 1.63 1.30 0.08 68.98 23:20:09 1 36.38 0.00 1.99 2.81 0.16 58.66 23:20:09 2 34.30 0.00 2.09 1.93 0.09 61.59 23:20:09 3 35.33 0.00 2.02 7.25 0.16 55.25 Average: all 48.50 0.00 2.92 2.50 0.13 45.95 Average: 0 45.59 0.00 2.81 1.17 0.10 50.32 Average: 1 50.46 0.00 2.98 2.43 0.14 43.99 Average: 2 48.79 0.00 3.03 1.76 0.11 46.30 Average: 3 49.18 0.00 2.88 4.62 0.14 43.18