---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-34021 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: 5599.86 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 650 10520 4 4818 14996 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:84:9a:89 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.107/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84745sec preferred_lft 84745sec inet6 fe80::f816:3eff:fe84:9a89/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 12:31:0c:f4:bc:18 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-34021) 07/08/26 _x86_64_ (4 CPU) 14:12:51 LINUX RESTART (4 CPU) 14:20:21 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:30:08 11.22 0.48 9.59 1.16 18.29 2240.86 3144.37 14:40:21 29.86 0.57 24.47 4.83 24.24 3676.57 9100.82 Average: 20.75 0.53 17.19 3.03 21.33 2974.45 6187.87 14:20:21 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:30:08 9874592 13535724 2420980 14.79 147352 3604352 2591672 14.88 652136 5421272 23084 14:40:21 10777196 15356592 593700 3.63 174316 4435756 1144816 6.57 936140 4171004 12476 Average: 10325894 14446158 1507340 9.21 160834 4020054 1868244 10.72 794138 4796138 17780 14:20:21 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:30:08 lo 1.48 1.48 0.15 0.15 0.00 0.00 0.00 0.00 14:30:08 ens3 74.04 57.20 106.43 18.87 0.00 0.00 0.00 0.00 14:30:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:40:21 lo 1757.42 1757.42 1663.12 1663.12 0.00 0.00 0.00 0.00 14:40:21 ens3 122.19 107.10 407.47 186.41 0.00 0.00 0.00 0.00 14:40:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 898.69 898.69 849.86 849.86 0.00 0.00 0.00 0.00 Average: ens3 98.64 82.70 260.25 104.48 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-34021) 07/08/26 _x86_64_ (4 CPU) 14:12:51 LINUX RESTART (4 CPU) 14:20:21 CPU %user %nice %system %iowait %steal %idle 14:30:08 all 72.23 0.00 2.28 0.02 0.10 25.38 14:30:08 0 71.26 0.00 2.18 0.02 0.10 26.45 14:30:08 1 73.34 0.00 2.29 0.03 0.10 24.24 14:30:08 2 72.31 0.00 2.43 0.02 0.10 25.14 14:30:08 3 72.00 0.00 2.21 0.02 0.09 25.69 14:40:21 all 43.21 0.00 2.15 0.10 0.08 54.46 14:40:21 0 43.85 0.00 2.17 0.10 0.08 53.80 14:40:21 1 42.64 0.00 1.95 0.09 0.08 55.23 14:40:21 2 43.00 0.00 2.19 0.05 0.08 54.67 14:40:21 3 43.36 0.00 2.29 0.14 0.08 54.13 Average: all 57.39 0.00 2.21 0.06 0.09 40.25 Average: 0 57.24 0.00 2.18 0.06 0.09 40.44 Average: 1 57.65 0.00 2.12 0.06 0.09 40.08 Average: 2 57.34 0.00 2.31 0.04 0.09 40.22 Average: 3 57.34 0.00 2.25 0.08 0.09 40.24