---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-34482 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: 5600.00 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 682 10483 4 4823 14963 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:66:5a:12 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.202/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84130sec preferred_lft 84130sec inet6 fe80::f816:3eff:fe66:5a12/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c6:c4:39:da:de:3f 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-34482) 07/10/26 _x86_64_ (4 CPU) 09:10:30 LINUX RESTART (4 CPU) 09:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:30:01 28.47 1.93 12.69 13.85 124.21 2546.55 242592.28 09:40:00 23.45 0.79 20.11 2.55 28.12 3079.61 2598.55 Average: 25.97 1.36 16.40 8.21 76.23 2812.73 122753.60 09:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:30:01 10716248 14000092 1960156 11.97 128532 3283576 2245004 12.89 546784 4706388 23400 09:40:00 9305792 13422332 2530040 15.45 164132 4007020 2599288 14.92 764724 5831932 8880 Average: 10011020 13711212 2245098 13.71 146332 3645298 2422146 13.90 655754 5269160 16140 09:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:30:01 lo 0.93 0.93 0.09 0.09 0.00 0.00 0.00 0.00 09:30:01 ens3 79.86 64.51 594.02 14.61 0.00 0.00 0.00 0.00 09:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:00 lo 1145.80 1145.80 1091.94 1091.94 0.00 0.00 0.00 0.00 09:40:00 ens3 78.62 58.02 331.78 22.15 0.00 0.00 0.00 0.00 09:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 572.61 572.61 545.30 545.30 0.00 0.00 0.00 0.00 Average: ens3 79.24 61.27 463.07 18.37 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-34482) 07/10/26 _x86_64_ (4 CPU) 09:10:30 LINUX RESTART (4 CPU) 09:20:01 CPU %user %nice %system %iowait %steal %idle 09:30:01 all 50.85 0.00 1.68 0.80 0.14 46.54 09:30:01 0 47.49 0.00 1.65 0.83 0.12 49.92 09:30:01 1 50.84 0.00 1.78 0.44 0.18 46.77 09:30:01 2 52.98 0.00 1.73 1.27 0.13 43.90 09:30:01 3 52.09 0.00 1.56 0.65 0.12 45.57 09:40:00 all 68.57 0.00 2.55 0.91 0.15 27.83 09:40:00 0 68.13 0.00 2.14 0.78 0.14 28.81 09:40:00 1 70.86 0.00 2.84 1.14 0.15 25.01 09:40:00 2 66.20 0.00 2.83 0.77 0.15 30.06 09:40:00 3 69.08 0.00 2.39 0.96 0.15 27.42 Average: all 59.70 0.00 2.11 0.86 0.14 37.19 Average: 0 57.81 0.00 1.89 0.81 0.13 39.36 Average: 1 60.83 0.00 2.31 0.79 0.16 35.91 Average: 2 59.57 0.00 2.28 1.02 0.14 36.99 Average: 3 60.58 0.00 1.98 0.80 0.13 36.51