---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-25936 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 68G 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 665 10650 4 4673 14981 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:43:93:17 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.234/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 85141sec preferred_lft 85141sec inet6 fe80::f816:3eff:fe43:9317/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether a6:f5:32:d1:87:ac 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-25936) 06/08/26 _x86_64_ (4 CPU) 19:39:59 LINUX RESTART (4 CPU) 19:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:50:00 68.75 20.14 47.21 1.40 1770.47 16033.12 3709.49 20:00:00 22.96 0.79 18.85 3.32 23.79 2868.23 11507.20 Average: 45.86 10.47 33.03 2.36 897.17 9451.00 7608.15 19:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:50:00 10774464 14121800 1838752 11.23 127752 3344668 2150836 12.35 551532 4664544 52344 20:00:00 11042200 15434388 519508 3.17 162252 4279060 1057388 6.07 864332 3988292 350624 Average: 10908332 14778094 1179130 7.20 145002 3811864 1604112 9.21 707932 4326418 201484 19:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:50:00 lo 1.52 1.52 0.15 0.15 0.00 0.00 0.00 0.00 19:50:00 ens3 143.86 107.64 989.00 21.52 0.00 0.00 0.00 0.00 19:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:00:00 lo 1434.46 1434.46 1367.42 1367.42 0.00 0.00 0.00 0.00 20:00:00 ens3 66.95 51.03 427.64 36.38 0.00 0.00 0.00 0.00 20:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 717.96 717.96 683.75 683.75 0.00 0.00 0.00 0.00 Average: ens3 105.40 79.34 708.34 28.95 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-25936) 06/08/26 _x86_64_ (4 CPU) 19:39:59 LINUX RESTART (4 CPU) 19:40:00 CPU %user %nice %system %iowait %steal %idle 19:50:00 all 60.41 0.00 2.32 1.58 0.10 35.59 19:50:00 0 57.82 0.00 1.90 2.37 0.09 37.81 19:50:00 1 61.11 0.00 2.48 1.23 0.10 35.08 19:50:00 2 62.91 0.00 2.69 1.64 0.10 32.67 19:50:00 3 59.82 0.00 2.23 1.07 0.10 36.78 20:00:00 all 67.56 0.00 2.58 0.04 0.10 29.71 20:00:00 0 65.42 0.00 2.44 0.05 0.10 31.99 20:00:00 1 68.38 0.00 2.38 0.06 0.11 29.08 20:00:00 2 68.16 0.00 2.91 0.03 0.10 28.79 20:00:00 3 68.29 0.00 2.60 0.03 0.10 28.97 Average: all 63.99 0.00 2.45 0.81 0.10 32.65 Average: 0 61.62 0.00 2.17 1.21 0.10 34.91 Average: 1 64.75 0.00 2.43 0.64 0.10 32.08 Average: 2 65.53 0.00 2.80 0.84 0.10 30.73 Average: 3 64.06 0.00 2.42 0.55 0.10 32.87