---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-38601 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 687 10384 4 4917 14959 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:1b:cb:dc brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.61/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84584sec preferred_lft 84584sec inet6 fe80::f816:3eff:fe1b:cbdc/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 62:75:4b:df:f2:72 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-38601) 07/25/26 _x86_64_ (4 CPU) 08:25:11 LINUX RESTART (4 CPU) 08:30:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:40:00 15.37 2.01 12.20 1.16 127.39 3052.25 2365.16 08:50:00 28.00 0.78 23.78 3.44 27.99 4170.66 4376.42 Average: 21.68 1.39 17.99 2.30 77.68 3611.56 3370.98 08:30:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:40:00 10587452 14044888 1913780 11.69 134068 3442528 2199000 12.62 588660 4800872 28744 08:50:00 8423132 12989828 2960680 18.08 168608 4436336 3486512 20.01 889940 6586708 1920 Average: 9505292 13517358 2437230 14.89 151338 3939432 2842756 16.32 739300 5693790 15332 08:30:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:40:00 lo 1.19 1.19 0.12 0.12 0.00 0.00 0.00 0.00 08:40:00 ens3 104.65 79.28 713.80 18.07 0.00 0.00 0.00 0.00 08:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:00 lo 1570.00 1570.00 1496.38 1496.38 0.00 0.00 0.00 0.00 08:50:00 ens3 83.59 62.84 427.23 16.67 0.00 0.00 0.00 0.00 08:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 785.75 785.75 748.40 748.40 0.00 0.00 0.00 0.00 Average: ens3 94.12 71.06 570.49 17.37 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-38601) 07/25/26 _x86_64_ (4 CPU) 08:25:11 LINUX RESTART (4 CPU) 08:30:00 CPU %user %nice %system %iowait %steal %idle 08:40:00 all 56.98 0.00 2.08 0.07 0.08 40.79 08:40:00 0 57.43 0.00 1.96 0.03 0.08 40.51 08:40:00 1 59.65 0.00 2.22 0.09 0.09 37.95 08:40:00 2 55.43 0.00 2.21 0.08 0.08 42.20 08:40:00 3 55.40 0.00 1.91 0.09 0.08 42.52 08:50:00 all 69.28 0.00 2.84 0.06 0.09 27.72 08:50:00 0 67.66 0.00 3.00 0.04 0.09 29.20 08:50:00 1 68.43 0.00 2.85 0.08 0.09 28.55 08:50:00 2 69.55 0.00 2.59 0.05 0.09 27.71 08:50:00 3 71.49 0.00 2.93 0.07 0.09 25.42 Average: all 63.13 0.00 2.46 0.07 0.08 34.26 Average: 0 62.54 0.00 2.48 0.03 0.08 34.86 Average: 1 64.04 0.00 2.54 0.09 0.09 33.25 Average: 2 62.49 0.00 2.40 0.07 0.08 34.95 Average: 3 63.44 0.00 2.42 0.08 0.09 33.97