---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-5953 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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: 5600.00 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 13G 66G 16% / 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 688 8321 4 6979 14957 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:d1:e7:f8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.109/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84539sec preferred_lft 84539sec inet6 fe80::f816:3eff:fed1:e7f8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 46:69:a2:ed:1f:c0 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-5953) 03/19/26 _x86_64_ (4 CPU) 08:18:18 LINUX RESTART (4 CPU) 08:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:30:07 58.68 4.22 37.47 16.99 767.19 6162.55 259959.31 08:40:08 30.73 0.01 27.63 3.08 0.19 2521.99 19565.51 Average: 44.77 2.13 32.58 10.07 385.58 4351.23 140353.96 08:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:30:07 9301436 13256760 2699508 16.49 140468 3936328 3000032 17.22 900040 5777420 24552 08:40:08 8841156 13226644 2725964 16.65 163008 4310592 2850944 16.36 1022096 6072344 16848 Average: 9071296 13241702 2712736 16.57 151738 4123460 2925488 16.79 961068 5924882 20700 08:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:30:07 lo 1583.29 1583.29 1502.48 1502.48 0.00 0.00 0.00 0.00 08:30:07 ens3 127.61 92.83 1252.36 16.57 0.00 0.00 0.00 0.00 08:30:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:08 lo 1539.69 1539.69 1467.27 1467.27 0.00 0.00 0.00 0.00 08:40:08 ens3 24.05 20.67 40.77 6.40 0.00 0.00 0.00 0.00 08:40:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1561.60 1561.60 1484.96 1484.96 0.00 0.00 0.00 0.00 Average: ens3 76.09 56.93 649.54 11.51 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-5953) 03/19/26 _x86_64_ (4 CPU) 08:18:18 LINUX RESTART (4 CPU) 08:20:01 CPU %user %nice %system %iowait %steal %idle 08:30:07 all 68.61 0.00 2.80 0.31 0.09 28.18 08:30:07 0 66.56 0.00 2.87 0.52 0.09 29.96 08:30:07 1 70.03 0.00 3.02 0.32 0.09 26.54 08:30:07 2 67.33 0.00 2.78 0.19 0.08 29.61 08:30:07 3 70.53 0.00 2.54 0.23 0.08 26.62 08:40:08 all 64.31 0.00 2.48 0.18 0.09 32.95 08:40:08 0 66.15 0.00 2.56 0.20 0.09 31.00 08:40:08 1 62.25 0.00 2.45 0.28 0.09 34.93 08:40:08 2 64.46 0.00 2.54 0.12 0.09 32.79 08:40:08 3 64.37 0.00 2.35 0.14 0.09 33.06 Average: all 66.47 0.00 2.64 0.25 0.09 30.55 Average: 0 66.36 0.00 2.72 0.36 0.09 30.48 Average: 1 66.16 0.00 2.74 0.30 0.09 30.71 Average: 2 65.90 0.00 2.66 0.16 0.09 31.19 Average: 3 67.46 0.00 2.45 0.18 0.09 29.82