---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-41424 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 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 651 8071 4 7265 14993 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:7c:15:b7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.243/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83830sec preferred_lft 83830sec inet6 fe80::f816:3eff:fe7c:15b7/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 52:eb:fe:d6:02:90 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-41424) 08/27/26 _x86_64_ (4 CPU) 08:37:50 LINUX RESTART (4 CPU) 08:40:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:50:02 28.57 3.17 22.94 2.45 369.55 4855.53 3836.92 09:00:02 23.96 0.02 21.33 2.61 0.41 2129.72 17504.01 09:10:01 35.18 0.04 19.27 15.87 1.08 3693.11 247164.46 09:20:02 12.61 0.17 10.81 1.63 12.65 7400.41 51394.35 Average: 25.07 0.85 18.58 5.63 95.93 4521.56 79876.24 08:40:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:50:02 9987292 13695000 2262144 13.82 142428 3684888 2400328 13.78 716896 5279336 20076 09:00:02 8807828 12919108 3035112 18.54 158172 4039508 3036416 17.43 832484 6301212 24648 09:10:01 5385008 10396104 5554580 33.93 169904 4892372 5448224 31.27 1100552 9406592 432 09:20:02 8288444 15372368 571104 3.49 186756 6882044 1097520 6.30 1860504 5651596 14032 Average: 8117143 13095645 2855735 17.44 164315 4874703 2995622 17.19 1127609 6659684 14797 08:40:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:50:02 lo 1410.38 1410.38 1338.61 1338.61 0.00 0.00 0.00 0.00 08:50:02 ens3 127.97 101.18 1139.91 20.28 0.00 0.00 0.00 0.00 08:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:00:02 lo 1126.34 1126.34 1072.62 1072.62 0.00 0.00 0.00 0.00 09:00:02 ens3 30.74 25.04 22.92 11.10 0.00 0.00 0.00 0.00 09:00:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:10:01 lo 762.79 762.79 2553.71 2553.71 0.00 0.00 0.00 0.00 09:10:01 ens3 18.39 14.02 15.57 6.43 0.00 0.00 0.00 0.00 09:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:20:02 lo 2474.85 2474.85 7385.03 7385.03 0.00 0.00 0.00 0.00 09:20:02 ens3 94.51 105.29 152.29 1266.70 0.00 0.00 0.00 0.00 09:20:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1444.45 1444.45 3089.93 3089.93 0.00 0.00 0.00 0.00 Average: ens3 67.94 61.43 332.74 326.76 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-41424) 08/27/26 _x86_64_ (4 CPU) 08:37:50 LINUX RESTART (4 CPU) 08:40:02 CPU %user %nice %system %iowait %steal %idle 08:50:02 all 49.76 0.00 2.24 0.14 0.03 47.84 08:50:02 0 48.26 0.00 2.39 0.11 0.02 49.22 08:50:02 1 50.99 0.00 1.92 0.09 0.03 46.97 08:50:02 2 49.28 0.00 2.28 0.14 0.03 48.27 08:50:02 3 50.51 0.00 2.36 0.21 0.03 46.89 09:00:02 all 66.15 0.00 2.51 0.11 0.03 31.20 09:00:02 0 66.34 0.00 2.68 0.06 0.03 30.89 09:00:02 1 67.00 0.00 2.31 0.06 0.03 30.60 09:00:02 2 65.05 0.00 2.51 0.16 0.04 32.24 09:00:02 3 66.21 0.00 2.54 0.15 0.03 31.07 09:10:01 all 37.39 0.00 1.82 0.18 0.03 60.57 09:10:01 0 35.88 0.00 1.68 0.13 0.03 62.28 09:10:01 1 37.79 0.00 1.69 0.38 0.03 60.11 09:10:01 2 36.38 0.00 1.91 0.12 0.03 61.56 09:10:01 3 39.51 0.00 2.01 0.10 0.03 58.34 09:20:02 all 31.11 0.00 1.45 0.16 0.02 67.26 09:20:02 0 25.60 0.00 1.33 0.02 0.02 73.02 09:20:02 1 39.10 0.00 1.71 0.16 0.03 59.00 09:20:02 2 30.10 0.00 1.31 0.32 0.02 68.25 09:20:02 3 29.64 0.00 1.45 0.13 0.02 68.75 Average: all 46.09 0.00 2.01 0.15 0.03 51.73 Average: 0 44.00 0.00 2.02 0.08 0.03 53.87 Average: 1 48.73 0.00 1.91 0.17 0.03 49.16 Average: 2 45.19 0.00 2.00 0.18 0.03 52.59 Average: 3 46.46 0.00 2.09 0.15 0.03 51.27