---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-22594 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 12G 67G 15% / 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 784 9264 4 5940 14862 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:05:3c:69 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.51/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84241sec preferred_lft 84241sec inet6 fe80::f816:3eff:fe05:3c69/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether e2:87:60:8c:b6:2e 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-22594) 06/02/26 _x86_64_ (4 CPU) 12:13:44 LINUX RESTART (4 CPU) 12:20:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:30:00 37.13 0.44 31.03 5.67 13.91 4481.13 10170.64 12:40:00 48.69 0.00 38.89 9.80 0.00 2963.64 9895.21 Average: 42.91 0.22 34.96 7.73 6.95 3722.39 10032.93 12:20:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:30:00 8742032 13171500 2779624 16.98 187404 4286240 3033040 17.41 840044 6307020 128588 12:40:00 8130644 13043016 2903480 17.73 225408 4682268 3106740 17.83 958732 6746172 136648 Average: 8436338 13107258 2841552 17.36 206406 4484254 3069890 17.62 899388 6526596 132618 12:20:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:30:00 lo 2632.04 2632.04 2509.98 2509.98 0.00 0.00 0.00 0.00 12:30:00 ens3 107.05 80.27 327.81 22.27 0.00 0.00 0.00 0.00 12:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:40:00 lo 5014.63 5014.63 4780.98 4780.98 0.00 0.00 0.00 0.00 12:40:00 ens3 93.24 64.32 23.88 20.37 0.00 0.00 0.00 0.00 12:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3823.33 3823.33 3645.48 3645.48 0.00 0.00 0.00 0.00 Average: ens3 100.14 72.30 175.85 21.32 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-22594) 06/02/26 _x86_64_ (4 CPU) 12:13:44 LINUX RESTART (4 CPU) 12:20:00 CPU %user %nice %system %iowait %steal %idle 12:30:00 all 65.19 0.00 3.19 0.07 0.10 31.45 12:30:00 0 65.12 0.00 3.10 0.07 0.10 31.62 12:30:00 1 65.25 0.00 2.97 0.09 0.11 31.58 12:30:00 2 66.07 0.00 3.31 0.06 0.10 30.46 12:30:00 3 64.32 0.00 3.39 0.05 0.10 32.13 12:40:00 all 63.05 0.00 3.97 0.11 0.10 32.78 12:40:00 0 61.85 0.00 3.72 0.11 0.10 34.22 12:40:00 1 64.87 0.00 4.90 0.11 0.10 30.02 12:40:00 2 63.39 0.00 3.94 0.15 0.10 32.42 12:40:00 3 62.08 0.00 3.31 0.06 0.10 34.46 Average: all 64.12 0.00 3.58 0.09 0.10 32.11 Average: 0 63.48 0.00 3.41 0.09 0.10 32.92 Average: 1 65.06 0.00 3.94 0.10 0.10 30.80 Average: 2 64.73 0.00 3.63 0.11 0.10 31.44 Average: 3 63.20 0.00 3.35 0.06 0.10 33.29