---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-36957 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 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 12G 66G 16% / 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 670 8693 4 6625 14976 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:40:9d:15 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.26/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84484sec preferred_lft 84484sec inet6 fe80::f816:3eff:fe40:9d15/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 62:94:c3:c2:da:56 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 inet6 fe80::6094:c3ff:fec2:da56/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-36957) 08/12/26 _x86_64_ (4 CPU) 14:53:08 LINUX RESTART (4 CPU) 15:00:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:10:01 10.72 0.01 9.08 1.62 0.22 700.10 19781.67 15:20:00 38.50 0.35 33.22 4.93 14.71 8546.08 30790.37 Average: 24.66 0.18 21.20 3.28 7.49 4637.82 25306.69 15:00:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:10:01 9662772 13271512 2687332 16.41 131160 3588200 3006508 17.26 682848 5630516 29480 15:20:00 9634016 15475828 471880 2.88 176056 5668656 1012828 5.81 1588876 4631916 3664 Average: 9648394 14373670 1579606 9.65 153608 4628428 2009668 11.54 1135862 5131216 16572 15:00:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:10:01 lo 54.25 54.25 13.52 13.52 0.00 0.00 0.00 0.00 15:10:01 ens3 6.65 4.98 4.33 1.40 0.00 0.00 0.00 0.00 15:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:20:00 lo 2454.87 2454.87 2360.16 2360.16 0.00 0.00 0.00 0.00 15:20:00 ens3 61.64 50.65 532.20 10.30 0.00 0.00 0.00 0.00 15:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1259.06 1259.06 1191.25 1191.25 0.00 0.00 0.00 0.00 Average: ens3 34.25 27.90 269.26 5.87 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-36957) 08/12/26 _x86_64_ (4 CPU) 14:53:08 LINUX RESTART (4 CPU) 15:00:07 CPU %user %nice %system %iowait %steal %idle 15:10:01 all 16.77 0.00 0.84 0.06 0.09 82.25 15:10:01 0 17.12 0.00 0.96 0.02 0.08 81.82 15:10:01 1 17.36 0.00 0.77 0.11 0.09 81.67 15:10:01 2 16.04 0.00 0.86 0.04 0.09 82.98 15:10:01 3 16.55 0.00 0.77 0.06 0.09 82.53 15:20:00 all 54.28 0.00 2.79 0.11 0.10 42.71 15:20:00 0 53.07 0.00 2.65 0.23 0.11 43.95 15:20:00 1 53.35 0.00 2.65 0.09 0.10 43.81 15:20:00 2 53.62 0.00 3.24 0.05 0.10 42.99 15:20:00 3 57.08 0.00 2.63 0.08 0.10 40.11 Average: all 35.59 0.00 1.82 0.08 0.09 62.41 Average: 0 35.16 0.00 1.81 0.13 0.09 62.82 Average: 1 35.42 0.00 1.71 0.10 0.10 62.67 Average: 2 34.89 0.00 2.06 0.04 0.09 62.92 Average: 3 36.88 0.00 1.71 0.07 0.09 61.25