---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-42177 5.15.0-186-generic #196-Ubuntu SMP Sat Jun 20 16:09:34 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 708 8105 4 7175 14937 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:df:28:6f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.141/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83117sec preferred_lft 83117sec inet6 fe80::f816:3eff:fedf:286f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2a:74:49:aa:b6:37 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-42177) 08/28/26 _x86_64_ (4 CPU) 19:01:28 LINUX RESTART (4 CPU) 19:10:31 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:31 14.44 2.88 10.80 0.75 154.17 2742.63 2228.79 19:30:00 21.77 0.07 18.97 2.73 7.70 2103.82 5584.79 19:40:19 34.14 0.02 30.58 3.55 0.49 2654.12 12647.22 19:50:31 8.59 0.02 8.29 0.27 0.57 7616.13 1875.65 Average: 19.77 0.75 17.20 1.82 40.64 3811.71 5621.68 19:10:31 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:31 10407088 13746568 2213824 13.52 130104 3352400 2688088 15.43 569136 5035576 29796 19:30:00 8747412 12522072 3433820 20.97 151292 3725728 3468952 19.91 718864 6482368 35980 19:40:19 8093068 12469852 3482980 21.27 171832 4273820 3496644 20.07 852104 6978436 175844 19:50:31 5808624 12413416 3532012 21.57 191612 6408572 3532464 20.28 1683204 8341220 163124 Average: 8264048 12787977 3165659 19.33 161210 4440130 3296537 18.92 955827 6709400 101186 19:10:31 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:31 lo 472.81 472.81 449.67 449.67 0.00 0.00 0.00 0.00 19:20:31 ens3 87.46 74.14 1034.73 13.17 0.00 0.00 0.00 0.00 19:20:31 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:00 lo 1416.48 1416.48 1343.42 1343.42 0.00 0.00 0.00 0.00 19:30:00 ens3 35.94 28.54 46.01 11.69 0.00 0.00 0.00 0.00 19:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:40:19 lo 1496.00 1496.00 1425.67 1425.67 0.00 0.00 0.00 0.00 19:40:19 ens3 37.47 27.45 26.67 12.53 0.00 0.00 0.00 0.00 19:40:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:50:31 lo 2492.08 2492.08 9108.82 9108.82 0.00 0.00 0.00 0.00 19:50:31 ens3 15.46 14.39 92.40 3.87 0.00 0.00 0.00 0.00 19:50:31 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1475.47 1475.47 3122.19 3122.19 0.00 0.00 0.00 0.00 Average: ens3 43.99 36.05 300.03 10.28 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-42177) 08/28/26 _x86_64_ (4 CPU) 19:01:28 LINUX RESTART (4 CPU) 19:10:31 CPU %user %nice %system %iowait %steal %idle 19:20:31 all 19.73 0.00 1.03 0.08 0.01 79.15 19:20:31 0 19.97 0.00 0.91 0.04 0.01 79.07 19:20:31 1 20.48 0.00 1.17 0.09 0.01 78.26 19:20:31 2 19.10 0.00 1.14 0.11 0.01 79.64 19:20:31 3 19.38 0.00 0.91 0.07 0.01 79.63 19:30:00 all 65.33 0.00 2.69 0.06 0.02 31.91 19:30:00 0 66.28 0.00 2.49 0.06 0.01 31.15 19:30:00 1 63.65 0.00 2.51 0.10 0.01 33.73 19:30:00 2 65.29 0.00 3.14 0.04 0.01 31.52 19:30:00 3 66.08 0.00 2.61 0.05 0.02 31.24 19:40:19 all 59.83 0.00 2.88 0.11 0.02 37.17 19:40:19 0 58.01 0.00 2.59 0.14 0.01 39.26 19:40:19 1 61.34 0.00 3.11 0.11 0.02 35.41 19:40:19 2 59.60 0.00 2.70 0.07 0.02 37.62 19:40:19 3 60.37 0.00 3.11 0.10 0.01 36.40 19:50:31 all 30.11 0.00 1.40 0.11 0.01 68.36 19:50:31 0 32.23 0.00 1.52 0.11 0.01 66.13 19:50:31 1 20.77 0.00 1.58 0.23 0.01 77.41 19:50:31 2 31.43 0.00 1.15 0.05 0.02 67.36 19:50:31 3 36.05 0.00 1.35 0.05 0.02 62.53 Average: all 43.51 0.00 1.99 0.09 0.01 54.39 Average: 0 43.86 0.00 1.87 0.09 0.01 54.16 Average: 1 41.31 0.00 2.09 0.13 0.01 56.45 Average: 2 43.63 0.00 2.02 0.07 0.01 54.27 Average: 3 45.25 0.00 1.99 0.07 0.02 52.67