---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-33786 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 676 10489 4 4823 14970 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:31:2b:ec brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.30/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84715sec preferred_lft 84715sec inet6 fe80::f816:3eff:fe31:2bec/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 6a:e3:1b:5e:c0:39 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-33786) 07/07/26 _x86_64_ (4 CPU) 18:58:09 LINUX RESTART (4 CPU) 19:00:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:10:00 19.66 2.88 15.83 0.95 163.55 4248.39 2215.82 19:20:16 27.49 0.77 23.32 3.39 27.35 4093.47 5672.57 Average: 23.64 1.81 19.64 2.20 94.27 4169.58 3974.21 19:00:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:10:00 10483436 13819460 2140548 13.07 130284 3328768 2446172 14.04 554560 4945984 17452 19:20:16 8438540 12907472 3043904 18.59 166016 4343848 3543568 20.34 860380 6604448 2208 Average: 9460988 13363466 2592226 15.83 148150 3836308 2994870 17.19 707470 5775216 9830 19:00:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:10:00 lo 1.21 1.21 0.12 0.12 0.00 0.00 0.00 0.00 19:10:00 ens3 102.54 81.96 691.60 20.30 0.00 0.00 0.00 0.00 19:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:20:16 lo 1601.70 1601.70 1526.76 1526.76 0.00 0.00 0.00 0.00 19:20:16 ens3 96.34 70.77 418.94 18.69 0.00 0.00 0.00 0.00 19:20:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 815.35 815.35 776.70 776.70 0.00 0.00 0.00 0.00 Average: ens3 99.39 76.27 552.90 19.48 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-33786) 07/07/26 _x86_64_ (4 CPU) 18:58:09 LINUX RESTART (4 CPU) 19:00:05 CPU %user %nice %system %iowait %steal %idle 19:10:00 all 56.47 0.00 1.89 0.14 0.10 41.40 19:10:00 0 56.34 0.00 1.97 0.22 0.10 41.37 19:10:00 1 56.86 0.00 1.78 0.15 0.11 41.10 19:10:00 2 57.29 0.00 2.10 0.11 0.10 40.40 19:10:00 3 55.37 0.00 1.71 0.10 0.10 42.71 19:20:16 all 68.95 0.00 2.70 0.17 0.11 28.07 19:20:16 0 66.77 0.00 2.33 0.11 0.12 30.66 19:20:16 1 70.45 0.00 3.08 0.13 0.11 26.23 19:20:16 2 70.06 0.00 2.85 0.28 0.11 26.70 19:20:16 3 68.51 0.00 2.54 0.15 0.11 28.69 Average: all 62.81 0.00 2.30 0.16 0.11 34.62 Average: 0 61.65 0.00 2.16 0.16 0.11 35.92 Average: 1 63.77 0.00 2.44 0.14 0.11 33.54 Average: 2 63.78 0.00 2.48 0.19 0.11 33.43 Average: 3 62.05 0.00 2.13 0.13 0.11 35.58