---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-39148 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 699 10333 4 4956 14947 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:a5:b9:62 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.62/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84712sec preferred_lft 84712sec inet6 fe80::f816:3eff:fea5:b962/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1a:de:8a:09:c3:5d 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-39148) 07/26/26 _x86_64_ (4 CPU) 19:17:29 LINUX RESTART (4 CPU) 19:20:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:30:00 14.80 2.17 11.62 1.01 332.17 3078.49 2579.25 19:40:00 27.07 0.78 22.86 3.43 28.01 4128.72 3445.20 Average: 20.94 1.48 17.24 2.22 180.08 3603.64 3012.25 19:20:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:30:00 10646864 14143412 1815856 11.09 132796 3482624 2132004 12.24 621264 4712408 27672 19:40:00 8391332 12996180 2954504 18.04 167804 4474960 3419652 19.63 922928 6583408 14144 Average: 9519098 13569796 2385180 14.57 150300 3978792 2775828 15.93 772096 5647908 20908 19:20:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:30:00 lo 1.10 1.10 0.11 0.11 0.00 0.00 0.00 0.00 19:30:00 ens3 97.69 78.61 696.78 18.56 0.00 0.00 0.00 0.00 19:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:40:00 lo 1650.20 1650.20 1572.95 1572.95 0.00 0.00 0.00 0.00 19:40:00 ens3 86.66 64.71 427.61 16.82 0.00 0.00 0.00 0.00 19:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 825.70 825.70 786.57 786.57 0.00 0.00 0.00 0.00 Average: ens3 92.18 71.66 562.19 17.69 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-39148) 07/26/26 _x86_64_ (4 CPU) 19:17:29 LINUX RESTART (4 CPU) 19:20:00 CPU %user %nice %system %iowait %steal %idle 19:30:00 all 55.09 0.00 1.83 0.07 0.08 42.93 19:30:00 0 54.61 0.00 1.72 0.05 0.08 43.53 19:30:00 1 54.63 0.00 1.92 0.14 0.08 43.22 19:30:00 2 54.67 0.00 1.71 0.04 0.08 43.51 19:30:00 3 56.44 0.00 1.96 0.05 0.08 41.47 19:40:00 all 69.26 0.00 2.89 0.06 0.09 27.69 19:40:00 0 69.21 0.00 2.95 0.05 0.09 27.70 19:40:00 1 69.32 0.00 2.63 0.08 0.09 27.87 19:40:00 2 69.47 0.00 2.99 0.06 0.09 27.39 19:40:00 3 69.04 0.00 3.00 0.05 0.09 27.81 Average: all 62.17 0.00 2.36 0.07 0.09 35.32 Average: 0 61.91 0.00 2.33 0.05 0.09 35.62 Average: 1 61.97 0.00 2.28 0.11 0.09 35.55 Average: 2 62.06 0.00 2.35 0.05 0.09 35.45 Average: 3 62.74 0.00 2.48 0.05 0.09 34.64