---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-31071 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 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 713 9804 4 5471 14933 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:b1:93 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.55/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84839sec preferred_lft 84839sec inet6 fe80::f816:3eff:fe31:b193/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether a2:9a:c8:c2:93:ce 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-31071) 06/27/26 _x86_64_ (4 CPU) 11:08:20 LINUX RESTART (4 CPU) 11:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:20:00 34.16 3.71 28.23 2.22 384.67 6611.27 10382.24 11:30:00 31.79 0.04 28.62 3.13 1.57 6161.49 13976.65 Average: 32.98 1.88 28.43 2.67 193.12 6386.38 12179.45 11:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:20:00 9500068 13390792 2564968 15.67 151740 3827780 3095444 17.77 762016 5690788 16944 11:30:00 7688368 13029380 2919436 17.83 184596 5170232 3206716 18.41 1074680 7109288 23836 Average: 8594218 13210086 2742202 16.75 168168 4499006 3151080 18.09 918348 6400038 20390 11:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:20:00 lo 874.97 874.97 833.53 833.53 0.00 0.00 0.00 0.00 11:20:00 ens3 94.22 72.44 924.53 13.76 0.00 0.00 0.00 0.00 11:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:00 lo 1333.27 1333.27 1270.07 1270.07 0.00 0.00 0.00 0.00 11:30:00 ens3 39.08 33.24 228.56 8.16 0.00 0.00 0.00 0.00 11:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1104.12 1104.12 1051.80 1051.80 0.00 0.00 0.00 0.00 Average: ens3 66.65 52.84 576.55 10.96 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-31071) 06/27/26 _x86_64_ (4 CPU) 11:08:20 LINUX RESTART (4 CPU) 11:10:00 CPU %user %nice %system %iowait %steal %idle 11:20:00 all 66.19 0.00 2.30 0.08 0.09 31.32 11:20:00 0 64.39 0.00 2.25 0.07 0.09 33.19 11:20:00 1 67.88 0.00 2.60 0.13 0.09 29.30 11:20:00 2 68.28 0.00 2.18 0.04 0.09 29.41 11:20:00 3 64.23 0.00 2.18 0.10 0.09 33.40 11:30:00 all 57.76 0.00 2.33 0.08 0.09 39.74 11:30:00 0 58.16 0.00 2.23 0.05 0.09 39.47 11:30:00 1 61.00 0.00 2.46 0.10 0.09 36.35 11:30:00 2 54.74 0.00 2.23 0.08 0.09 42.86 11:30:00 3 57.12 0.00 2.40 0.10 0.09 40.30 Average: all 61.98 0.00 2.32 0.08 0.09 35.53 Average: 0 61.27 0.00 2.24 0.06 0.09 36.33 Average: 1 64.44 0.00 2.53 0.11 0.09 32.82 Average: 2 61.52 0.00 2.20 0.06 0.09 36.13 Average: 3 60.67 0.00 2.29 0.10 0.09 36.85