---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-645 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 68G 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 712 10456 4 4820 14934 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:b3:1f:73 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.83/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84361sec preferred_lft 84361sec inet6 fe80::f816:3eff:feb3:1f73/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 4a:97:82:bf:af:e8 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-645) 07/30/26 _x86_64_ (4 CPU) 17:26:03 LINUX RESTART (4 CPU) 17:30:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:40:07 9.91 1.96 7.55 0.40 125.81 2079.37 956.19 17:50:07 10.47 0.49 8.90 1.08 18.59 1983.97 2914.21 Average: 10.19 1.23 8.22 0.74 72.20 2031.67 1935.20 17:30:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:40:07 10929688 14070188 1891472 11.55 120968 3161748 2232992 12.82 514480 4570140 28040 17:50:07 8840888 12665876 3289272 20.09 152976 3744036 3478580 19.97 683780 6408192 123172 Average: 9885288 13368032 2590372 15.82 136972 3452892 2855786 16.39 599130 5489166 75606 17:30:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:40:07 lo 0.59 0.59 0.06 0.06 0.00 0.00 0.00 0.00 17:40:07 ens3 76.80 62.01 707.33 11.33 0.00 0.00 0.00 0.00 17:40:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:50:07 lo 1.45 1.45 0.14 0.14 0.00 0.00 0.00 0.00 17:50:07 ens3 68.19 54.14 104.94 17.26 0.00 0.00 0.00 0.00 17:50:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.02 1.02 0.10 0.10 0.00 0.00 0.00 0.00 Average: ens3 72.50 58.07 406.14 14.29 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-645) 07/30/26 _x86_64_ (4 CPU) 17:26:03 LINUX RESTART (4 CPU) 17:30:07 CPU %user %nice %system %iowait %steal %idle 17:40:07 all 30.75 0.00 0.98 0.21 0.05 68.01 17:40:07 0 31.10 0.00 0.94 0.58 0.05 67.33 17:40:07 1 30.82 0.00 1.07 0.11 0.06 67.93 17:40:07 2 30.69 0.00 1.03 0.02 0.05 68.21 17:40:07 3 30.40 0.00 0.86 0.14 0.05 68.56 17:50:07 all 71.66 0.00 2.36 0.03 0.09 25.85 17:50:07 0 71.34 0.00 2.40 0.04 0.10 26.13 17:50:07 1 72.13 0.00 2.17 0.04 0.09 25.58 17:50:07 2 70.34 0.00 2.45 0.02 0.09 27.09 17:50:07 3 72.83 0.00 2.43 0.03 0.09 24.62 Average: all 51.17 0.00 1.67 0.12 0.07 46.97 Average: 0 51.19 0.00 1.67 0.31 0.07 46.76 Average: 1 51.43 0.00 1.62 0.07 0.08 46.80 Average: 2 50.47 0.00 1.74 0.02 0.07 47.70 Average: 3 51.58 0.00 1.64 0.08 0.07 46.62