---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-66482 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: 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 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 646 8687 4 6655 15000 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:2e:b4:93 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.10/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84015sec preferred_lft 84015sec inet6 fe80::f816:3eff:fe2e:b493/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 46:7b:5f:29:74:66 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-66482) 04/04/26 _x86_64_ (4 CPU) 19:01:28 LINUX RESTART (4 CPU) 19:10:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:12 22.67 0.06 20.14 2.46 6.32 2121.29 3260.30 19:30:01 28.22 0.04 25.32 2.86 0.90 4199.87 6633.81 19:40:11 10.25 0.29 8.77 1.19 11.20 6178.74 1123.40 Average: 20.27 0.13 17.98 2.16 6.20 4178.16 3638.43 19:10:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:12 8151424 12079836 3875600 23.67 150920 3877704 3880816 22.28 781812 7027096 184576 19:30:01 7582512 12306424 3645292 22.26 168232 4621212 3600668 20.67 1024012 7314512 2608 19:40:11 9009068 15464496 481060 2.94 184032 6280824 1012104 5.81 1669880 5158808 156 Average: 8247668 13283585 2667317 16.29 167728 4926580 2831196 16.25 1158568 6500139 62447 19:10:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:12 lo 1270.74 1270.74 1204.44 1204.44 0.00 0.00 0.00 0.00 19:20:12 ens3 36.72 29.31 22.89 10.46 0.00 0.00 0.00 0.00 19:20:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:01 lo 1110.25 1110.25 1050.92 1050.92 0.00 0.00 0.00 0.00 19:30:01 ens3 46.28 34.34 50.27 11.63 0.00 0.00 0.00 0.00 19:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:40:11 lo 2399.02 2399.02 9123.11 9123.11 0.00 0.00 0.00 0.00 19:40:11 ens3 83.38 93.65 144.05 1016.09 0.00 0.00 0.00 0.00 19:40:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1601.17 1601.17 3841.70 3841.70 0.00 0.00 0.00 0.00 Average: ens3 55.68 52.79 72.97 352.14 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-66482) 04/04/26 _x86_64_ (4 CPU) 19:01:28 LINUX RESTART (4 CPU) 19:10:12 CPU %user %nice %system %iowait %steal %idle 19:20:12 all 65.43 0.00 2.26 0.15 0.09 32.06 19:20:12 0 66.32 0.00 2.33 0.09 0.09 31.17 19:20:12 1 63.66 0.00 2.30 0.14 0.09 33.81 19:20:12 2 65.85 0.00 2.29 0.33 0.09 31.44 19:20:12 3 65.90 0.00 2.11 0.06 0.09 31.83 19:30:01 all 51.88 0.00 2.16 0.10 0.09 45.78 19:30:01 0 54.29 0.00 2.44 0.10 0.09 43.08 19:30:01 1 51.09 0.00 2.15 0.11 0.09 46.56 19:30:01 2 51.62 0.00 2.08 0.11 0.09 46.10 19:30:01 3 50.50 0.00 1.98 0.07 0.09 47.36 19:40:11 all 30.69 0.00 1.13 0.14 0.07 67.97 19:40:11 0 24.57 0.00 1.14 0.16 0.07 74.07 19:40:11 1 37.96 0.00 1.05 0.12 0.07 60.80 19:40:11 2 35.91 0.00 0.83 0.23 0.07 62.95 19:40:11 3 24.33 0.00 1.49 0.06 0.06 74.07 Average: all 49.19 0.00 1.84 0.13 0.08 48.75 Average: 0 48.18 0.00 1.96 0.11 0.08 49.66 Average: 1 50.82 0.00 1.83 0.12 0.08 47.15 Average: 2 51.02 0.00 1.73 0.23 0.08 46.94 Average: 3 46.73 0.00 1.86 0.06 0.08 51.27