---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-39434 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 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 664 8179 4 7145 14982 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:87:75:0a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.133/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83758sec preferred_lft 83758sec inet6 fe80::f816:3eff:fe87:750a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ce:8f:bb:f3:f3:fe 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-39434) 08/21/26 _x86_64_ (4 CPU) 07:57:14 LINUX RESTART (4 CPU) 08:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:10:00 25.90 2.96 20.61 2.33 162.09 3804.12 4213.40 08:20:00 23.70 0.02 21.10 2.58 0.43 2097.65 8881.40 08:30:00 21.56 0.03 19.61 1.92 0.79 3625.91 8283.65 08:40:00 25.47 0.15 9.51 15.81 10.09 7459.05 228147.27 Average: 24.16 0.79 17.70 5.66 43.35 4246.68 62381.43 08:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:10:00 9890684 13474612 2484576 15.17 141812 3564084 2781372 15.97 654484 5447644 23824 08:20:00 8878936 12850484 3105352 18.97 157716 3903840 3173144 18.21 766656 6292324 21064 08:30:00 5512592 10393672 5558756 33.95 172056 4762772 5508688 31.62 1035540 9337900 29720 08:40:00 8405108 15361992 582952 3.56 191592 6753284 1110376 6.37 1794700 5613856 40 Average: 8171830 13020190 2932909 17.91 165794 4745995 3143395 18.04 1062845 6672931 18662 08:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:10:00 lo 1251.41 1251.41 1186.56 1186.56 0.00 0.00 0.00 0.00 08:10:00 ens3 127.91 97.47 1064.80 20.12 0.00 0.00 0.00 0.00 08:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:20:00 lo 1203.27 1203.27 1146.49 1146.49 0.00 0.00 0.00 0.00 08:20:00 ens3 38.77 30.95 23.29 11.20 0.00 0.00 0.00 0.00 08:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:00 lo 726.47 726.47 729.89 729.89 0.00 0.00 0.00 0.00 08:30:00 ens3 30.20 20.82 16.92 7.61 0.00 0.00 0.00 0.00 08:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:00 lo 2552.29 2552.29 9239.51 9239.51 0.00 0.00 0.00 0.00 08:40:00 ens3 76.61 91.31 145.53 1223.27 0.00 0.00 0.00 0.00 08:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1433.36 1433.36 3075.61 3075.61 0.00 0.00 0.00 0.00 Average: ens3 68.37 60.14 312.64 315.55 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-39434) 08/21/26 _x86_64_ (4 CPU) 07:57:14 LINUX RESTART (4 CPU) 08:00:00 CPU %user %nice %system %iowait %steal %idle 08:10:00 all 49.90 0.00 2.12 0.20 0.10 47.68 08:10:00 0 49.63 0.00 2.14 0.08 0.10 48.05 08:10:00 1 48.24 0.00 2.22 0.25 0.10 49.19 08:10:00 2 51.07 0.00 2.10 0.17 0.10 46.56 08:10:00 3 50.65 0.00 2.02 0.31 0.10 46.92 08:20:00 all 67.60 0.00 2.44 0.04 0.12 29.80 08:20:00 0 66.54 0.00 2.29 0.05 0.12 30.99 08:20:00 1 67.28 0.00 2.32 0.03 0.12 30.24 08:20:00 2 67.61 0.00 2.62 0.03 0.12 29.63 08:20:00 3 68.96 0.00 2.53 0.06 0.12 28.33 08:30:00 all 37.88 0.00 1.78 0.09 0.11 60.14 08:30:00 0 37.17 0.00 1.67 0.09 0.11 60.97 08:30:00 1 38.61 0.00 1.59 0.08 0.11 59.60 08:30:00 2 40.26 0.00 2.06 0.10 0.12 57.46 08:30:00 3 35.48 0.00 1.78 0.10 0.11 62.53 08:40:00 all 32.80 0.00 1.36 0.15 0.08 65.62 08:40:00 0 30.54 0.00 1.24 0.30 0.08 67.84 08:40:00 1 30.02 0.00 1.34 0.13 0.08 68.43 08:40:00 2 36.48 0.00 1.32 0.08 0.08 62.04 08:40:00 3 34.15 0.00 1.53 0.07 0.08 64.16 Average: all 47.04 0.00 1.92 0.12 0.10 50.81 Average: 0 45.96 0.00 1.84 0.13 0.10 51.97 Average: 1 46.05 0.00 1.87 0.12 0.10 51.86 Average: 2 48.85 0.00 2.03 0.09 0.10 48.93 Average: 3 47.31 0.00 1.97 0.14 0.10 50.49