---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-33503 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 13% / 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 679 10597 4 4712 14967 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:9b:0c:95 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.36/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84752sec preferred_lft 84752sec inet6 fe80::f816:3eff:fe9b:c95/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 82:40:e6:1f:55:39 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-33503) 07/06/26 _x86_64_ (4 CPU) 20:53:21 LINUX RESTART (4 CPU) 21:00:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:10:12 47.59 2.49 37.44 7.66 140.22 4459.11 27924.45 21:20:07 29.19 0.17 23.78 5.23 12.66 3198.92 13847.03 Average: 38.43 1.34 30.65 6.45 76.77 3832.20 20921.34 21:00:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:10:12 9906112 13809692 2146668 13.11 165988 3836528 2490660 14.30 762644 5290320 142676 21:20:07 10944060 15409920 541424 3.31 202244 4315372 1047608 6.01 951924 3981400 14400 Average: 10425086 14609806 1344046 8.21 184116 4075950 1769134 10.15 857284 4635860 78538 21:00:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:10:12 lo 4007.61 4007.61 3821.30 3821.30 0.00 0.00 0.00 0.00 21:10:12 ens3 136.71 103.52 626.15 28.44 0.00 0.00 0.00 0.00 21:10:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:20:07 lo 1978.71 1978.71 1867.36 1867.36 0.00 0.00 0.00 0.00 21:20:07 ens3 137.01 126.09 131.51 185.58 0.00 0.00 0.00 0.00 21:20:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2998.29 2998.29 2849.27 2849.27 0.00 0.00 0.00 0.00 Average: ens3 136.86 114.75 380.08 106.61 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-33503) 07/06/26 _x86_64_ (4 CPU) 20:53:21 LINUX RESTART (4 CPU) 21:00:11 CPU %user %nice %system %iowait %steal %idle 21:10:12 all 66.32 0.00 4.01 0.10 0.16 29.41 21:10:12 0 65.20 0.00 3.68 0.12 0.16 30.85 21:10:12 1 66.78 0.00 3.76 0.09 0.16 29.21 21:10:12 2 66.14 0.00 4.31 0.09 0.16 29.30 21:10:12 3 67.19 0.00 4.31 0.07 0.16 28.27 21:20:07 all 41.66 0.00 2.44 0.12 0.12 55.67 21:20:07 0 44.91 0.00 2.84 0.17 0.15 51.93 21:20:07 1 38.73 0.00 2.40 0.10 0.10 58.67 21:20:07 2 41.42 0.00 2.29 0.06 0.12 56.11 21:20:07 3 41.57 0.00 2.21 0.14 0.11 55.97 Average: all 54.04 0.00 3.23 0.11 0.14 42.48 Average: 0 55.10 0.00 3.26 0.14 0.15 41.34 Average: 1 52.81 0.00 3.08 0.10 0.13 43.89 Average: 2 53.84 0.00 3.31 0.08 0.14 42.64 Average: 3 54.42 0.00 3.27 0.11 0.14 42.08