---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-10954 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 646 9466 4 5876 15000 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:00:51:e5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.57/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84529sec preferred_lft 84529sec inet6 fe80::f816:3eff:fe00:51e5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 12:ca:0a:eb:f6:05 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-10954) 05/05/26 _x86_64_ (4 CPU) 01:06:20 LINUX RESTART (4 CPU) 01:10:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:01 21.60 0.68 18.01 2.92 24.62 2746.29 38268.67 01:30:03 22.26 0.16 19.02 3.08 4.92 1693.63 28483.53 Average: 21.93 0.42 18.51 3.00 14.73 2218.21 33359.79 01:10:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:01 9727412 13162072 2797144 17.08 128768 3428992 3044560 17.48 674888 5578968 28 01:30:03 8910108 12894472 3061288 18.70 149004 3923204 3172912 18.21 823508 6218044 180992 Average: 9318760 13028272 2929216 17.89 138886 3676098 3108736 17.84 749198 5898506 90510 01:10:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:01 lo 28.15 28.15 6.57 6.57 0.00 0.00 0.00 0.00 01:20:01 ens3 26.79 21.45 46.10 6.55 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 01:30:03 lo 1409.73 1409.73 1317.57 1317.57 0.00 0.00 0.00 0.00 01:30:03 ens3 43.07 30.61 264.71 7.54 0.00 0.00 0.00 0.00 01:30:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 721.24 721.24 664.25 664.25 0.00 0.00 0.00 0.00 Average: ens3 34.96 26.04 155.77 7.05 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-10954) 05/05/26 _x86_64_ (4 CPU) 01:06:20 LINUX RESTART (4 CPU) 01:10:03 CPU %user %nice %system %iowait %steal %idle 01:20:01 all 34.11 0.00 1.28 0.36 0.08 64.16 01:20:01 0 35.03 0.00 1.36 0.30 0.08 63.23 01:20:01 1 34.19 0.00 1.55 0.77 0.09 63.41 01:20:01 2 34.24 0.00 1.13 0.22 0.09 64.32 01:20:01 3 32.99 0.00 1.07 0.17 0.08 65.68 01:30:03 all 31.35 0.00 1.66 0.05 0.09 66.85 01:30:03 0 30.57 0.00 1.81 0.04 0.09 67.49 01:30:03 1 31.61 0.00 1.43 0.05 0.10 66.82 01:30:03 2 31.33 0.00 1.75 0.12 0.10 66.70 01:30:03 3 31.87 0.00 1.65 0.02 0.09 66.37 Average: all 32.72 0.00 1.47 0.21 0.09 65.51 Average: 0 32.80 0.00 1.59 0.17 0.09 65.37 Average: 1 32.89 0.00 1.49 0.40 0.09 65.12 Average: 2 32.78 0.00 1.44 0.17 0.09 65.52 Average: 3 32.43 0.00 1.36 0.10 0.09 66.03