---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-23674 5.15.0-168-generic #178-Ubuntu SMP Fri Jan 9 19:05:03 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 12G 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 660 8832 4 6497 14986 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:5b:4b:e3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.248/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83879sec preferred_lft 83879sec inet6 fe80::f816:3eff:fe5b:4be3/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1e:41:c2:5f:c5:61 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-23674) 02/27/26 _x86_64_ (4 CPU) 09:17:21 LINUX RESTART (4 CPU) 09:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:30:08 48.15 5.07 41.61 1.47 282.08 4850.97 2818.38 09:40:01 34.66 12.06 19.96 2.64 139.27 2100.50 9361.42 09:50:07 30.80 0.03 27.69 3.08 0.55 4534.45 28712.47 Average: 37.89 5.67 29.83 2.39 140.69 3841.13 13657.10 09:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:30:08 10723172 13919360 2043388 12.48 121220 3229840 2372792 13.62 562468 4747844 101384 09:40:01 9762908 13366752 2590728 15.82 145752 3560656 2671140 15.33 745836 5445820 22984 09:50:07 8008612 12663704 3289228 20.09 162124 4548984 3297836 18.93 1035452 6869384 4904 Average: 9498231 13316605 2641115 16.13 143032 3779827 2780589 15.96 781252 5687683 43091 09:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:30:08 lo 442.85 442.85 421.82 421.82 0.00 0.00 0.00 0.00 09:30:08 ens3 126.94 97.44 1239.98 18.47 0.00 0.00 0.00 0.00 09:30:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:01 lo 1376.39 1376.39 1304.72 1304.72 0.00 0.00 0.00 0.00 09:40:01 ens3 39.59 32.04 28.17 11.48 0.00 0.00 0.00 0.00 09:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:50:07 lo 1409.23 1409.23 1338.62 1338.62 0.00 0.00 0.00 0.00 09:50:07 ens3 46.75 35.97 29.78 12.17 0.00 0.00 0.00 0.00 09:50:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1073.83 1073.83 1019.53 1019.53 0.00 0.00 0.00 0.00 Average: ens3 71.33 55.32 435.76 14.06 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-23674) 02/27/26 _x86_64_ (4 CPU) 09:17:21 LINUX RESTART (4 CPU) 09:20:01 CPU %user %nice %system %iowait %steal %idle 09:30:08 all 23.82 0.00 1.25 0.49 0.06 74.38 09:30:08 0 22.39 0.00 1.04 0.30 0.05 76.21 09:30:08 1 25.71 0.00 1.54 0.48 0.07 72.21 09:30:08 2 23.84 0.00 1.28 0.99 0.06 73.83 09:30:08 3 23.35 0.00 1.13 0.19 0.05 75.27 09:40:01 all 68.12 0.07 2.31 0.12 0.12 29.25 09:40:01 0 68.11 0.00 2.17 0.11 0.12 29.49 09:40:01 1 67.24 0.02 2.16 0.06 0.12 30.40 09:40:01 2 68.33 0.27 2.52 0.17 0.12 28.60 09:40:01 3 68.81 0.01 2.37 0.16 0.13 28.52 09:50:07 all 60.73 0.00 2.49 0.13 0.12 36.53 09:50:07 0 62.04 0.00 2.43 0.06 0.12 35.35 09:50:07 1 62.42 0.00 2.88 0.25 0.12 34.33 09:50:07 2 60.23 0.00 2.39 0.12 0.12 37.15 09:50:07 3 58.23 0.00 2.24 0.11 0.11 39.31 Average: all 50.74 0.02 2.01 0.25 0.10 46.87 Average: 0 50.70 0.00 1.88 0.16 0.10 47.17 Average: 1 51.65 0.01 2.19 0.26 0.10 45.79 Average: 2 50.66 0.09 2.06 0.43 0.10 46.67 Average: 3 49.96 0.00 1.91 0.15 0.10 47.87