---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-32407 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 13G 65G 17% / 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 681 8068 4 7238 14964 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:49:5b:49 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.176/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83754sec preferred_lft 83754sec inet6 fe80::f816:3eff:fe49:5b49/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 96:28:67:ea:7e:a9 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-32407) 07/02/26 _x86_64_ (4 CPU) 14:49:40 LINUX RESTART (4 CPU) 14:50:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:00:27 59.82 11.07 46.59 2.15 1759.90 9690.96 9846.89 15:10:27 23.14 0.03 20.65 2.46 0.64 2157.56 4818.29 15:20:27 43.97 0.04 27.04 16.89 1.00 4260.29 243013.68 15:30:27 12.63 0.29 10.87 1.47 11.37 7407.09 52194.80 Average: 35.16 2.95 26.51 5.70 457.95 5921.59 76712.56 14:50:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:00:27 9942096 13491376 2468836 15.08 126092 3564556 2643588 15.17 717752 5332160 26084 15:10:27 7836360 12003280 3951360 24.13 150632 4107748 4019688 23.07 900000 7212800 186448 15:20:27 7030880 12009280 3941776 24.07 166868 4868208 3879788 22.27 1146808 7729172 364 15:30:27 8311600 15363864 580224 3.54 186056 6856060 1101316 6.32 1899112 5607508 116 Average: 8280234 13216950 2735549 16.71 157412 4849143 2911095 16.71 1165918 6470410 53253 14:50:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:00:27 lo 688.13 688.13 655.08 655.08 0.00 0.00 0.00 0.00 15:00:27 ens3 165.83 121.18 1434.05 22.07 0.00 0.00 0.00 0.00 15:00:27 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:10:27 lo 1237.84 1237.84 1173.82 1173.82 0.00 0.00 0.00 0.00 15:10:27 ens3 39.24 31.79 22.34 10.95 0.00 0.00 0.00 0.00 15:10:27 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:20:27 lo 1243.44 1243.44 1180.05 1180.05 0.00 0.00 0.00 0.00 15:20:27 ens3 42.85 32.89 24.36 10.96 0.00 0.00 0.00 0.00 15:20:27 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:30:27 lo 2530.75 2530.75 9287.07 9287.07 0.00 0.00 0.00 0.00 15:30:27 ens3 48.47 51.21 133.10 537.94 0.00 0.00 0.00 0.00 15:30:27 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1416.80 1416.80 3046.97 3046.97 0.00 0.00 0.00 0.00 Average: ens3 75.12 59.96 414.98 144.10 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-32407) 07/02/26 _x86_64_ (4 CPU) 14:49:40 LINUX RESTART (4 CPU) 14:50:00 CPU %user %nice %system %iowait %steal %idle 15:00:27 all 32.46 0.00 1.75 0.46 0.07 65.26 15:00:27 0 31.94 0.00 1.82 0.16 0.07 66.00 15:00:27 1 32.96 0.00 1.60 0.63 0.07 64.74 15:00:27 2 33.82 0.00 1.92 0.35 0.07 63.84 15:00:27 3 31.13 0.00 1.65 0.69 0.07 66.47 15:10:27 all 66.02 0.00 2.24 0.04 0.11 31.59 15:10:27 0 65.41 0.00 2.31 0.05 0.11 32.12 15:10:27 1 67.72 0.00 2.21 0.02 0.10 29.95 15:10:27 2 64.10 0.00 2.15 0.04 0.11 33.60 15:10:27 3 66.85 0.00 2.28 0.05 0.11 30.71 15:20:27 all 53.48 0.00 2.37 0.36 0.17 43.62 15:20:27 0 53.07 0.00 2.21 0.04 0.14 44.53 15:20:27 1 53.74 0.00 2.62 0.71 0.14 42.80 15:20:27 2 53.29 0.00 2.62 0.28 0.21 43.60 15:20:27 3 53.83 0.00 2.05 0.41 0.18 43.53 15:30:27 all 32.69 0.00 1.28 0.37 0.08 65.58 15:30:27 0 40.69 0.00 1.15 0.27 0.09 57.80 15:30:27 1 25.57 0.00 1.65 0.29 0.07 72.41 15:30:27 2 38.98 0.00 0.84 0.83 0.08 59.26 15:30:27 3 25.48 0.00 1.48 0.08 0.07 72.89 Average: all 46.00 0.00 1.91 0.31 0.10 51.68 Average: 0 47.59 0.00 1.87 0.13 0.10 50.30 Average: 1 44.86 0.00 2.02 0.42 0.09 52.61 Average: 2 47.39 0.00 1.88 0.38 0.12 50.24 Average: 3 44.16 0.00 1.86 0.31 0.11 53.56