---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1249 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 684 10357 4 4947 14962 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:c6:d0:fc 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 84262sec preferred_lft 84262sec inet6 fe80::f816:3eff:fec6:d0fc/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9e:e4:0a:a8:b3:b8 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-1249) 08/01/26 _x86_64_ (4 CPU) 18:27:37 LINUX RESTART (4 CPU) 18:30:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:40:09 6.67 2.12 4.34 0.21 329.87 766.76 231.13 18:50:01 12.63 0.45 11.06 1.13 17.57 3011.65 2193.80 19:00:09 28.61 0.63 23.64 4.34 24.78 4007.40 3523.30 Average: 16.04 1.07 13.07 1.91 124.10 2599.48 1988.36 18:30:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:40:09 11512244 14519032 1444428 8.82 114996 3056596 1875812 10.77 517088 4014852 241152 18:50:01 10133344 13823592 2133280 13.03 145736 3639920 2707468 15.54 693916 5132832 43944 19:00:09 10671764 15378364 571676 3.49 173436 4560780 1102024 6.33 961288 4240140 136 Average: 10772451 14573663 1383128 8.45 144723 3752432 1895101 10.88 724097 4462608 95077 18:30:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:40:09 lo 0.19 0.19 0.02 0.02 0.00 0.00 0.00 0.00 18:40:09 ens3 66.99 54.30 851.57 7.41 0.00 0.00 0.00 0.00 18:40:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:50:01 lo 1.44 1.44 0.14 0.14 0.00 0.00 0.00 0.00 18:50:01 ens3 76.13 57.09 99.16 17.58 0.00 0.00 0.00 0.00 18:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:00:09 lo 1661.46 1661.46 1577.05 1577.05 0.00 0.00 0.00 0.00 19:00:09 ens3 92.43 77.43 406.49 84.50 0.00 0.00 0.00 0.00 19:00:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 561.38 561.38 532.40 532.40 0.00 0.00 0.00 0.00 Average: ens3 78.58 63.03 453.71 36.78 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-1249) 08/01/26 _x86_64_ (4 CPU) 18:27:37 LINUX RESTART (4 CPU) 18:30:09 CPU %user %nice %system %iowait %steal %idle 18:40:09 all 5.63 0.00 0.35 0.06 0.03 93.93 18:40:09 0 5.46 0.00 0.27 0.07 0.02 94.18 18:40:09 1 5.58 0.00 0.27 0.09 0.04 94.03 18:40:09 2 5.60 0.00 0.35 0.08 0.02 93.95 18:40:09 3 5.89 0.00 0.50 0.01 0.02 93.58 18:50:01 all 73.25 0.00 2.20 0.03 0.11 24.41 18:50:01 0 72.72 0.00 1.98 0.04 0.11 25.15 18:50:01 1 75.01 0.00 2.35 0.02 0.11 22.50 18:50:01 2 73.08 0.00 2.46 0.04 0.11 24.31 18:50:01 3 72.19 0.00 2.01 0.03 0.11 25.67 19:00:09 all 51.92 0.00 2.23 0.07 0.08 45.69 19:00:09 0 48.88 0.00 2.18 0.06 0.08 48.81 19:00:09 1 51.94 0.00 2.27 0.05 0.08 45.66 19:00:09 2 55.68 0.00 2.40 0.05 0.09 41.79 19:00:09 3 51.21 0.00 2.07 0.12 0.08 46.52 Average: all 43.49 0.00 1.59 0.05 0.07 54.79 Average: 0 42.23 0.00 1.48 0.06 0.07 56.17 Average: 1 44.09 0.00 1.63 0.05 0.08 54.15 Average: 2 44.67 0.00 1.73 0.06 0.07 53.47 Average: 3 42.97 0.00 1.53 0.05 0.07 55.39