---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-7932 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 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 680 9968 4 5339 14966 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:b1:55:a8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.55/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 85012sec preferred_lft 85012sec inet6 fe80::f816:3eff:feb1:55a8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9e:9f:68:6f:0f:15 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-7932) 04/25/26 _x86_64_ (4 CPU) 05:28:20 LINUX RESTART (4 CPU) 05:30:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:40:10 26.47 13.86 12.14 0.46 250.15 3518.18 1067.13 05:50:09 19.81 0.52 18.08 1.20 69.98 6907.57 2284.16 Average: 23.17 7.25 15.09 0.83 160.93 5196.57 1669.78 05:30:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:40:10 10803840 13962224 1999104 12.21 139088 3149080 2271336 13.04 602028 4580636 25880 05:50:09 8816936 13988472 1963264 11.99 181692 5014084 2280172 13.09 1014832 6042952 67452 Average: 9810388 13975348 1981184 12.10 160390 4081582 2275754 13.06 808430 5311794 46666 05:30:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:40:10 lo 2.36 2.36 0.20 0.20 0.00 0.00 0.00 0.00 05:40:10 ens3 66.01 56.01 438.75 12.69 0.00 0.00 0.00 0.00 05:40:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:50:09 lo 2.05 2.05 0.19 0.19 0.00 0.00 0.00 0.00 05:50:09 ens3 121.69 98.62 594.62 23.63 0.00 0.00 0.00 0.00 05:50:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2.21 2.21 0.19 0.19 0.00 0.00 0.00 0.00 Average: ens3 93.58 77.11 515.94 18.11 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-7932) 04/25/26 _x86_64_ (4 CPU) 05:28:20 LINUX RESTART (4 CPU) 05:30:00 CPU %user %nice %system %iowait %steal %idle 05:40:10 all 58.70 0.06 1.88 0.08 0.09 39.20 05:40:10 0 58.54 0.14 1.72 0.15 0.09 39.35 05:40:10 1 59.96 0.00 1.84 0.05 0.08 38.06 05:40:10 2 57.40 0.00 2.05 0.02 0.09 40.43 05:40:10 3 58.87 0.12 1.89 0.09 0.08 38.94 05:50:09 all 55.14 0.00 1.96 0.09 0.08 42.73 05:50:09 0 55.07 0.00 2.14 0.13 0.08 42.58 05:50:09 1 52.99 0.00 1.85 0.11 0.08 44.96 05:50:09 2 53.18 0.00 1.90 0.08 0.08 44.75 05:50:09 3 59.32 0.00 1.94 0.03 0.08 38.63 Average: all 56.94 0.03 1.92 0.08 0.08 40.95 Average: 0 56.83 0.07 1.93 0.14 0.08 40.95 Average: 1 56.51 0.00 1.85 0.08 0.08 41.48 Average: 2 55.31 0.00 1.98 0.05 0.09 42.57 Average: 3 59.09 0.06 1.92 0.06 0.08 38.79