---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-33980 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 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 681 10397 4 4910 14964 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:33:92:7b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.28/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84542sec preferred_lft 84542sec inet6 fe80::f816:3eff:fe33:927b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ae:a4:5e:3e:c9:76 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-33980) 07/08/26 _x86_64_ (4 CPU) 09:12:30 LINUX RESTART (4 CPU) 09:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:30:13 13.38 0.82 11.47 1.09 43.02 3097.46 2645.14 09:40:13 28.91 0.64 23.93 4.34 25.15 4197.07 3129.37 Average: 21.07 0.73 17.64 2.70 34.17 3642.08 2884.98 09:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:30:13 10170420 13768624 2188604 13.37 143188 3562468 2346572 13.47 636628 5156608 33632 09:40:13 10687788 15355660 594216 3.63 173848 4523676 1114444 6.40 926008 4229264 12 Average: 10429104 14562142 1391410 8.50 158518 4043072 1730508 9.93 781318 4692936 16822 09:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:30:13 lo 1.38 1.38 0.14 0.14 0.00 0.00 0.00 0.00 09:30:13 ens3 74.38 57.20 145.98 17.47 0.00 0.00 0.00 0.00 09:30:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:13 lo 1690.10 1690.10 1605.43 1605.43 0.00 0.00 0.00 0.00 09:40:13 ens3 104.68 84.21 412.04 84.66 0.00 0.00 0.00 0.00 09:40:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 837.79 837.79 795.23 795.23 0.00 0.00 0.00 0.00 Average: ens3 89.39 70.58 277.76 50.75 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-33980) 07/08/26 _x86_64_ (4 CPU) 09:12:30 LINUX RESTART (4 CPU) 09:20:01 CPU %user %nice %system %iowait %steal %idle 09:30:13 all 70.82 0.00 2.21 0.03 0.12 26.82 09:30:13 0 69.26 0.00 2.23 0.03 0.13 28.35 09:30:13 1 74.31 0.00 2.42 0.01 0.12 23.14 09:30:13 2 68.11 0.00 1.88 0.03 0.12 29.86 09:30:13 3 71.62 0.00 2.31 0.04 0.12 25.91 09:40:13 all 59.43 0.00 2.54 0.08 0.12 37.83 09:40:13 0 59.63 0.00 2.15 0.08 0.12 38.03 09:40:13 1 59.27 0.00 2.61 0.04 0.12 37.96 09:40:13 2 59.72 0.00 2.69 0.06 0.12 37.41 09:40:13 3 59.09 0.00 2.73 0.13 0.13 37.92 Average: all 65.18 0.00 2.37 0.05 0.12 32.27 Average: 0 64.48 0.00 2.19 0.05 0.12 33.15 Average: 1 66.86 0.00 2.51 0.03 0.12 30.48 Average: 2 63.96 0.00 2.28 0.04 0.12 33.60 Average: 3 65.41 0.00 2.52 0.08 0.13 31.86