---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-41794 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: 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 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 12G 66G 15% / 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 706 9228 4 6053 14939 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:97:58:01 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.12/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83236sec preferred_lft 83236sec inet6 fe80::f816:3eff:fe97:5801/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7a:4c:67:fd:73:00 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-41794) 08/27/26 _x86_64_ (4 CPU) 22:01:29 LINUX RESTART (4 CPU) 22:10:17 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:20:08 1.33 0.01 1.32 0.00 0.05 15.68 0.14 22:30:01 46.00 4.76 39.17 2.07 281.99 5752.35 13271.31 22:40:17 10.67 0.01 9.04 1.62 0.49 669.96 22310.70 22:50:17 38.73 0.19 33.92 4.61 6.01 8344.96 29644.89 Average: 24.12 1.23 20.81 2.08 71.33 3683.69 16418.75 22:10:17 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:20:08 13754392 15531064 487064 2.97 53688 1950848 1138836 6.54 193724 2176616 44 22:30:01 10544808 13991180 1968168 12.02 125048 3445784 2321000 13.32 650888 4800300 21376 22:40:17 9422428 13009004 2948296 18.01 135012 3563384 3173236 18.21 683180 5840324 864 22:50:17 6698732 12555772 3388968 20.70 177028 5680628 3450204 19.80 1581664 7524168 10412 Average: 10105090 13771755 2198124 13.43 122694 3660161 2520819 14.47 777364 5085352 8174 22:10:17 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:20:08 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 22:20:08 ens3 0.47 0.14 0.11 0.06 0.00 0.00 0.00 0.00 22:20:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:30:01 lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 22:30:01 ens3 105.97 86.13 1006.04 19.30 0.00 0.00 0.00 0.00 22:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:40:17 lo 52.85 52.85 13.47 13.47 0.00 0.00 0.00 0.00 22:40:17 ens3 5.53 4.39 7.45 1.62 0.00 0.00 0.00 0.00 22:40:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:50:17 lo 2461.92 2461.92 2368.02 2368.02 0.00 0.00 0.00 0.00 22:50:17 ens3 64.09 50.34 501.96 14.66 0.00 0.00 0.00 0.00 22:50:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 629.25 629.25 595.48 595.48 0.00 0.00 0.00 0.00 Average: ens3 43.75 35.03 376.06 8.87 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-41794) 08/27/26 _x86_64_ (4 CPU) 22:01:29 LINUX RESTART (4 CPU) 22:10:17 CPU %user %nice %system %iowait %steal %idle 22:20:08 all 0.12 0.00 0.02 0.01 0.00 99.84 22:20:08 0 0.04 0.00 0.02 0.00 0.00 99.94 22:20:08 1 0.02 0.00 0.02 0.03 0.00 99.93 22:20:08 2 0.03 0.00 0.02 0.00 0.00 99.94 22:20:08 3 0.40 0.00 0.02 0.01 0.00 99.56 22:30:01 all 28.75 0.00 1.40 0.38 0.02 69.45 22:30:01 0 27.05 0.00 1.36 0.28 0.02 71.30 22:30:01 1 30.33 0.00 1.75 0.64 0.03 67.25 22:30:01 2 29.39 0.00 1.28 0.26 0.02 69.05 22:30:01 3 28.23 0.00 1.21 0.34 0.02 70.20 22:40:17 all 17.15 0.00 0.88 0.08 0.01 81.87 22:40:17 0 16.00 0.00 0.89 0.03 0.01 83.07 22:40:17 1 17.33 0.00 0.85 0.05 0.02 81.75 22:40:17 2 17.70 0.00 0.95 0.06 0.02 81.28 22:40:17 3 17.59 0.00 0.82 0.19 0.01 81.40 22:50:17 all 51.13 0.00 2.96 0.18 0.02 45.71 22:50:17 0 49.47 0.00 3.38 0.25 0.02 46.87 22:50:17 1 50.38 0.00 2.89 0.16 0.02 46.55 22:50:17 2 50.88 0.00 2.86 0.18 0.02 46.06 22:50:17 3 53.78 0.00 2.72 0.12 0.02 43.35 Average: all 24.31 0.00 1.32 0.16 0.01 74.20 Average: 0 23.16 0.00 1.41 0.14 0.01 75.28 Average: 1 24.53 0.00 1.38 0.22 0.02 73.85 Average: 2 24.52 0.00 1.28 0.13 0.01 74.06 Average: 3 25.01 0.00 1.19 0.17 0.01 73.62