---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-35571 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 619 10415 4 4954 15027 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:90:9b:da brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.14/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84791sec preferred_lft 84791sec inet6 fe80::f816:3eff:fe90:9bda/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 62:eb:e7:c2:f5:b4 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-35571) 07/13/26 _x86_64_ (4 CPU) 20:07:31 LINUX RESTART (4 CPU) 20:10:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:20:02 8.36 1.37 6.79 0.20 73.97 2048.13 148.31 20:30:04 8.05 0.51 7.11 0.44 18.76 1457.12 1151.09 Average: 8.21 0.94 6.95 0.32 46.29 1751.80 651.09 20:10:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:20:02 9288748 12371580 3591076 21.93 114684 3125344 3761776 21.59 500924 6235816 1920 20:30:04 10127676 13632092 2327412 14.21 132568 3501084 2478988 14.23 580440 5277644 50176 Average: 9708212 13001836 2959244 18.07 123626 3313214 3120382 17.91 540682 5756730 26048 20:10:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:20:02 lo 0.66 0.66 0.38 0.38 0.00 0.00 0.00 0.00 20:20:02 ens3 18.60 15.84 155.32 3.41 0.00 0.00 0.00 0.00 20:20:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:30:04 lo 90.80 90.80 86.13 86.13 0.00 0.00 0.00 0.00 20:30:04 ens3 37.29 26.02 431.79 3.35 0.00 0.00 0.00 0.00 20:30:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 45.85 45.85 43.37 43.37 0.00 0.00 0.00 0.00 Average: ens3 27.97 20.94 293.94 3.38 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-35571) 07/13/26 _x86_64_ (4 CPU) 20:07:31 LINUX RESTART (4 CPU) 20:10:04 CPU %user %nice %system %iowait %steal %idle 20:20:02 all 51.37 0.00 0.79 0.04 0.08 47.72 20:20:02 0 49.16 0.00 0.56 0.02 0.07 50.19 20:20:02 1 53.36 0.00 1.11 0.06 0.07 45.40 20:20:02 2 57.64 0.00 0.75 0.01 0.08 41.51 20:20:02 3 45.35 0.00 0.74 0.05 0.08 53.78 20:30:04 all 50.94 0.00 0.80 0.03 0.08 48.15 20:30:04 0 40.92 0.00 0.71 0.03 0.08 58.25 20:30:04 1 50.76 0.00 0.76 0.02 0.08 48.38 20:30:04 2 53.02 0.00 0.77 0.03 0.07 46.10 20:30:04 3 59.06 0.00 0.97 0.03 0.08 39.87 Average: all 51.16 0.00 0.80 0.03 0.08 47.94 Average: 0 45.03 0.00 0.64 0.03 0.08 54.23 Average: 1 52.05 0.00 0.93 0.04 0.08 46.90 Average: 2 55.32 0.00 0.76 0.02 0.08 43.81 Average: 3 52.22 0.00 0.85 0.04 0.08 46.81