---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-15944 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: 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 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 630 9485 4 5873 15016 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:09:8a:5b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.238/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84524sec preferred_lft 84524sec inet6 fe80::f816:3eff:fe09:8a5b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 46:6d:86:bd:da:71 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-15944) 05/17/26 _x86_64_ (4 CPU) 01:06:23 LINUX RESTART (4 CPU) 01:10:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:01 21.53 0.37 18.22 2.94 15.46 2589.56 59928.36 01:30:04 22.84 0.16 19.50 3.18 4.87 1783.03 28788.03 Average: 22.19 0.26 18.87 3.06 10.10 2181.58 44176.19 01:10:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:01 9627732 13068772 2890596 17.65 129016 3434516 3135028 18.00 675416 5686024 880 01:30:04 9331724 13160256 2795600 17.07 149944 3772788 2911820 16.71 807392 5817128 16588 Average: 9479728 13114514 2843098 17.36 139480 3603652 3023424 17.35 741404 5751576 8734 01:10:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:01 lo 31.85 31.85 7.48 7.48 0.00 0.00 0.00 0.00 01:20:01 ens3 20.06 17.41 42.50 5.39 0.00 0.00 0.00 0.00 01:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:30:04 lo 1357.42 1357.42 1271.66 1271.66 0.00 0.00 0.00 0.00 01:30:04 ens3 39.80 29.07 263.99 7.45 0.00 0.00 0.00 0.00 01:30:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 702.38 702.38 646.96 646.96 0.00 0.00 0.00 0.00 Average: ens3 30.04 23.31 154.54 6.43 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-15944) 05/17/26 _x86_64_ (4 CPU) 01:06:23 LINUX RESTART (4 CPU) 01:10:12 CPU %user %nice %system %iowait %steal %idle 01:20:01 all 33.37 0.00 1.14 0.12 0.08 65.29 01:20:01 0 33.87 0.00 1.07 0.21 0.08 64.77 01:20:01 1 34.39 0.00 1.25 0.10 0.09 64.18 01:20:01 2 32.61 0.00 1.10 0.06 0.09 66.15 01:20:01 3 32.61 0.00 1.12 0.10 0.09 66.08 01:30:04 all 29.76 0.00 1.50 0.07 0.08 68.58 01:30:04 0 30.04 0.00 1.54 0.04 0.08 68.29 01:30:04 1 30.06 0.00 1.57 0.11 0.08 68.18 01:30:04 2 28.83 0.00 1.42 0.07 0.08 69.61 01:30:04 3 30.12 0.00 1.48 0.06 0.09 68.26 Average: all 31.55 0.00 1.32 0.09 0.08 66.96 Average: 0 31.94 0.00 1.31 0.13 0.08 66.55 Average: 1 32.20 0.00 1.41 0.11 0.08 66.20 Average: 2 30.70 0.00 1.26 0.06 0.08 67.89 Average: 3 31.35 0.00 1.31 0.08 0.09 67.18