---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-37021 5.15.0-186-generic #196-Ubuntu SMP Sat Jun 20 16:09:34 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 625 10394 4 4969 15021 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:8c:23:f2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.175/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84676sec preferred_lft 84676sec inet6 fe80::f816:3eff:fe8c:23f2/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 4e:65:92:45:e4:1a 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-37021) 08/12/26 _x86_64_ (4 CPU) 20:09:05 LINUX RESTART (4 CPU) 20:10:43 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:20:31 30.19 3.03 12.90 14.25 166.45 3848.98 244710.60 20:30:01 3.12 0.08 2.98 0.06 6.96 296.68 5.88 Average: 16.86 1.58 8.02 7.27 87.93 2100.19 124243.12 20:10:43 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:20:31 10782460 13852488 2111272 12.89 113516 3116644 2411732 13.84 493176 4752288 10712 20:30:01 10407472 13554064 2409160 14.71 116768 3182252 2634276 15.12 513832 5107052 10488 Average: 10594966 13703276 2260216 13.80 115142 3149448 2523004 14.48 503504 4929670 10600 20:10:43 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:20:31 lo 0.46 0.46 0.04 0.04 0.00 0.00 0.00 0.00 20:20:31 ens3 69.82 56.44 792.82 9.15 0.00 0.00 0.00 0.00 20:20:31 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:30:01 lo 0.51 0.51 0.38 0.38 0.00 0.00 0.00 0.00 20:30:01 ens3 4.29 3.72 21.37 0.85 0.00 0.00 0.00 0.00 20:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.49 0.49 0.21 0.21 0.00 0.00 0.00 0.00 Average: ens3 37.56 30.49 413.04 5.06 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-37021) 08/12/26 _x86_64_ (4 CPU) 20:09:05 LINUX RESTART (4 CPU) 20:10:43 CPU %user %nice %system %iowait %steal %idle 20:20:31 all 47.97 0.00 1.12 0.09 0.08 50.74 20:20:31 0 51.30 0.00 1.05 0.05 0.08 47.52 20:20:31 1 45.15 0.00 1.12 0.14 0.08 53.52 20:20:31 2 47.17 0.00 1.13 0.09 0.08 51.53 20:20:31 3 48.24 0.00 1.19 0.10 0.08 50.39 20:30:01 all 39.82 0.00 0.45 0.01 0.08 59.64 20:30:01 0 34.86 0.00 0.39 0.01 0.07 64.67 20:30:01 1 20.13 0.00 0.46 0.04 0.08 79.29 20:30:01 2 45.49 0.00 0.40 0.00 0.07 54.05 20:30:01 3 58.93 0.00 0.55 0.01 0.09 40.43 Average: all 43.95 0.00 0.79 0.05 0.08 55.12 Average: 0 43.21 0.00 0.72 0.03 0.08 55.96 Average: 1 32.79 0.00 0.79 0.09 0.08 66.25 Average: 2 46.34 0.00 0.77 0.04 0.08 52.77 Average: 3 53.51 0.00 0.87 0.05 0.08 45.48