---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-46364 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 684 8129 4 7175 14961 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:82:bc:a1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.234/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83645sec preferred_lft 83645sec inet6 fe80::f816:3eff:fe82:bca1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b6:b1:81:c2:b9:bb 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-46364) 08/31/26 _x86_64_ (4 CPU) 19:03:16 LINUX RESTART (4 CPU) 19:10:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:01 25.76 2.94 20.37 2.44 161.50 3911.62 4196.84 19:30:03 26.35 0.01 23.63 2.72 0.36 2146.38 21918.66 19:40:03 19.37 0.03 17.55 1.79 0.67 3578.41 16918.90 Average: 23.83 0.99 20.52 2.32 53.99 3210.08 14365.45 19:10:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:01 9709476 13303416 2653880 16.21 143904 3568752 2845860 16.34 658736 5614548 24376 19:30:03 8420084 12609356 3344080 20.42 163348 4102872 3503600 20.11 809192 6709528 222808 19:40:03 5803872 10701096 5249856 32.06 176056 4771668 5250952 30.14 1043488 9042232 29872 Average: 7977811 12204623 3749272 22.90 161103 4147764 3866804 22.20 837139 7122103 92352 19:10:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:01 lo 1317.16 1317.16 1248.79 1248.79 0.00 0.00 0.00 0.00 19:20:01 ens3 105.68 87.49 1046.69 19.75 0.00 0.00 0.00 0.00 19:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:03 lo 1230.65 1230.65 1172.63 1172.63 0.00 0.00 0.00 0.00 19:30:03 ens3 30.03 22.56 15.08 10.38 0.00 0.00 0.00 0.00 19:30:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:40:03 lo 715.92 715.92 2727.90 2727.90 0.00 0.00 0.00 0.00 19:40:03 ens3 23.10 16.89 20.64 8.14 0.00 0.00 0.00 0.00 19:40:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1087.81 1087.81 1716.36 1716.36 0.00 0.00 0.00 0.00 Average: ens3 52.85 42.24 359.60 12.75 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-46364) 08/31/26 _x86_64_ (4 CPU) 19:03:16 LINUX RESTART (4 CPU) 19:10:03 CPU %user %nice %system %iowait %steal %idle 19:20:01 all 48.57 0.00 2.18 0.10 0.02 49.12 19:20:01 0 48.36 0.00 2.08 0.11 0.02 49.43 19:20:01 1 49.12 0.00 2.16 0.19 0.03 48.50 19:20:01 2 49.95 0.00 2.39 0.07 0.03 47.57 19:20:01 3 46.85 0.00 2.11 0.06 0.02 50.96 19:30:03 all 63.27 0.00 2.43 0.06 0.03 34.21 19:30:03 0 63.01 0.00 2.37 0.06 0.04 34.53 19:30:03 1 63.96 0.00 2.59 0.08 0.02 33.34 19:30:03 2 63.75 0.00 2.43 0.05 0.04 33.73 19:30:03 3 62.34 0.00 2.33 0.06 0.03 35.23 19:40:03 all 37.01 0.00 1.70 0.09 0.02 61.18 19:40:03 0 37.64 0.00 1.84 0.05 0.02 60.45 19:40:03 1 34.06 0.00 1.58 0.14 0.02 64.19 19:40:03 2 37.91 0.00 1.62 0.09 0.03 60.35 19:40:03 3 38.45 0.00 1.76 0.06 0.03 59.71 Average: all 49.64 0.00 2.11 0.08 0.03 48.15 Average: 0 49.69 0.00 2.10 0.07 0.03 48.12 Average: 1 49.07 0.00 2.11 0.14 0.03 48.66 Average: 2 50.55 0.00 2.15 0.07 0.03 47.20 Average: 3 49.24 0.00 2.07 0.06 0.03 48.61