---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-37571 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 672 8240 4 7076 14974 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:8d:37:aa brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.142/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83810sec preferred_lft 83810sec inet6 fe80::f816:3eff:fe8d:37aa/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1a:47:eb:41:64:5b 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-37571) 08/14/26 _x86_64_ (4 CPU) 19:01:28 LINUX RESTART (4 CPU) 19:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:02 36.53 0.07 20.26 16.19 7.09 2314.54 242006.85 19:30:01 35.15 0.02 31.57 3.55 0.53 4655.41 9296.05 19:40:02 10.25 0.03 9.84 0.38 0.69 6202.36 51975.30 Average: 27.30 0.04 20.55 6.71 2.77 4390.86 101159.73 19:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:02 8439596 12189600 3767828 23.01 145256 3710128 3906340 22.42 720952 6796300 18100 19:30:01 7364024 12154948 3797752 23.20 164996 4683848 3750904 21.53 1009292 7524712 2508 19:40:02 5971928 12615844 3330280 20.34 180596 6459416 3339084 19.17 1663696 8197756 107244 Average: 7258516 12320131 3631953 22.18 163616 4951131 3665443 21.04 1131313 7506256 42617 19:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:02 lo 1395.77 1395.77 1323.65 1323.65 0.00 0.00 0.00 0.00 19:20:02 ens3 53.16 40.48 47.85 12.64 0.00 0.00 0.00 0.00 19:20:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:01 lo 1508.12 1508.12 1437.17 1437.17 0.00 0.00 0.00 0.00 19:30:01 ens3 52.19 40.26 26.89 13.13 0.00 0.00 0.00 0.00 19:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:40:02 lo 2555.77 2555.77 9277.67 9277.67 0.00 0.00 0.00 0.00 19:40:02 ens3 21.54 18.58 126.11 4.38 0.00 0.00 0.00 0.00 19:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1820.27 1820.27 4015.85 4015.85 0.00 0.00 0.00 0.00 Average: ens3 42.29 33.10 66.99 10.05 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-37571) 08/14/26 _x86_64_ (4 CPU) 19:01:28 LINUX RESTART (4 CPU) 19:10:01 CPU %user %nice %system %iowait %steal %idle 19:20:02 all 66.95 0.00 2.29 0.05 0.09 30.62 19:20:02 0 66.80 0.00 2.41 0.07 0.09 30.63 19:20:02 1 67.21 0.00 2.52 0.06 0.09 30.12 19:20:02 2 67.11 0.00 2.08 0.04 0.09 30.68 19:20:02 3 66.70 0.00 2.15 0.03 0.09 31.03 19:30:01 all 61.60 0.00 2.57 0.10 0.08 35.64 19:30:01 0 62.67 0.00 2.31 0.13 0.08 34.81 19:30:01 1 61.56 0.00 2.72 0.08 0.08 35.56 19:30:01 2 61.31 0.00 2.73 0.14 0.08 35.73 19:30:01 3 60.85 0.00 2.53 0.06 0.09 36.47 19:40:02 all 30.21 0.00 1.22 0.09 0.08 68.39 19:40:02 0 26.57 0.00 1.28 0.09 0.09 71.98 19:40:02 1 27.75 0.00 0.97 0.02 0.08 71.17 19:40:02 2 29.35 0.00 1.49 0.21 0.08 68.88 19:40:02 3 37.19 0.00 1.15 0.03 0.09 61.54 Average: all 52.91 0.00 2.03 0.08 0.08 44.90 Average: 0 51.98 0.00 2.00 0.10 0.09 45.83 Average: 1 52.15 0.00 2.07 0.05 0.08 45.64 Average: 2 52.60 0.00 2.10 0.13 0.08 45.09 Average: 3 54.90 0.00 1.94 0.04 0.09 43.03