---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-30392 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 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 746 9401 4 5840 14900 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:22:4e:ff brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.121/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84497sec preferred_lft 84497sec inet6 fe80::f816:3eff:fe22:4eff/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2a:24:cd:52:83:a2 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-30392) 06/25/26 _x86_64_ (4 CPU) 06:26:31 LINUX RESTART (4 CPU) 06:30:20 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:40:01 25.42 3.14 20.48 1.80 566.91 5100.75 10203.11 06:50:20 33.18 0.04 29.69 3.45 1.47 4350.96 25521.58 Average: 29.42 1.54 25.23 2.65 275.32 4714.09 18102.61 06:30:20 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:40:01 9391576 13436468 2519192 15.39 157148 3967240 2889712 16.59 843796 5698376 107960 06:50:20 7736956 13098608 2850084 17.41 191640 5177588 3170152 18.20 1144432 6974984 469920 Average: 8564266 13267538 2684638 16.40 174394 4572414 3029932 17.39 994114 6336680 288940 06:30:20 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:40:01 lo 683.36 683.36 651.02 651.02 0.00 0.00 0.00 0.00 06:40:01 ens3 118.50 87.84 979.51 18.45 0.00 0.00 0.00 0.00 06:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:50:20 lo 1582.69 1582.69 1508.23 1508.23 0.00 0.00 0.00 0.00 06:50:20 ens3 58.83 46.20 208.00 13.06 0.00 0.00 0.00 0.00 06:50:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1147.13 1147.13 1093.07 1093.07 0.00 0.00 0.00 0.00 Average: ens3 87.72 66.37 581.65 15.67 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-30392) 06/25/26 _x86_64_ (4 CPU) 06:26:31 LINUX RESTART (4 CPU) 06:30:20 CPU %user %nice %system %iowait %steal %idle 06:40:01 all 58.01 0.00 2.01 0.19 0.09 39.69 06:40:01 0 57.45 0.00 1.78 0.18 0.09 40.50 06:40:01 1 58.22 0.00 2.07 0.31 0.10 39.30 06:40:01 2 58.51 0.00 2.30 0.16 0.09 38.94 06:40:01 3 57.88 0.00 1.89 0.12 0.10 40.03 06:50:20 all 57.92 0.00 2.48 0.07 0.09 39.44 06:50:20 0 57.31 0.00 2.48 0.07 0.09 40.05 06:50:20 1 57.69 0.00 2.37 0.07 0.09 39.78 06:50:20 2 58.01 0.00 2.82 0.03 0.09 39.05 06:50:20 3 58.65 0.00 2.26 0.13 0.09 38.87 Average: all 57.96 0.00 2.25 0.13 0.09 39.56 Average: 0 57.38 0.00 2.14 0.12 0.09 40.27 Average: 1 57.95 0.00 2.22 0.19 0.09 39.54 Average: 2 58.25 0.00 2.57 0.09 0.09 38.99 Average: 3 58.27 0.00 2.08 0.12 0.10 39.43