---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-30857 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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 679 8287 4 7022 14967 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:97:ea:40 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.105/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83847sec preferred_lft 83847sec inet6 fe80::f816:3eff:fe97:ea40/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 06:32:0d:2d:1a:b6 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-30857) 06/26/26 _x86_64_ (4 CPU) 14:10:01 LINUX RESTART (4 CPU) 14:20:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:30:02 39.40 0.03 22.69 16.67 0.59 2104.24 246431.83 14:40:02 25.37 0.03 22.88 2.46 0.36 4028.01 9625.71 14:50:02 13.46 0.29 11.70 1.47 11.40 7407.53 51487.83 Average: 26.08 0.12 19.09 6.87 4.12 4513.26 102515.12 14:20:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:30:02 9053956 12950508 3005800 18.36 150176 3843664 3116040 17.89 751196 6151504 118440 14:40:02 7600316 12360492 3592060 21.94 163744 4655648 3403080 19.53 1008660 7300420 420 14:50:02 8524656 15355464 589844 3.60 180172 6643000 1102272 6.33 1758340 5527200 200 Average: 8392976 13555488 2395901 14.63 164697 5047437 2540464 14.58 1172732 6326375 39687 14:20:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:30:02 lo 1564.42 1564.42 1486.18 1486.18 0.00 0.00 0.00 0.00 14:30:02 ens3 34.10 29.50 14.53 10.15 0.00 0.00 0.00 0.00 14:30:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:40:02 lo 852.55 852.55 806.04 806.04 0.00 0.00 0.00 0.00 14:40:02 ens3 37.13 30.34 28.02 10.98 0.00 0.00 0.00 0.00 14:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:50:02 lo 2597.63 2597.63 9294.46 9294.46 0.00 0.00 0.00 0.00 14:50:02 ens3 58.17 61.38 137.41 594.59 0.00 0.00 0.00 0.00 14:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1671.53 1671.53 3862.23 3862.23 0.00 0.00 0.00 0.00 Average: ens3 43.13 40.40 59.99 205.24 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-30857) 06/26/26 _x86_64_ (4 CPU) 14:10:01 LINUX RESTART (4 CPU) 14:20:02 CPU %user %nice %system %iowait %steal %idle 14:30:02 all 65.55 0.00 2.34 0.05 0.11 31.94 14:30:02 0 64.82 0.00 2.27 0.06 0.11 32.74 14:30:02 1 65.98 0.00 2.59 0.06 0.11 31.26 14:30:02 2 66.92 0.00 2.26 0.02 0.11 30.69 14:30:02 3 64.50 0.00 2.24 0.07 0.11 33.09 14:40:02 all 49.44 0.00 1.99 0.20 0.10 48.27 14:40:02 0 47.99 0.00 1.93 0.42 0.10 49.56 14:40:02 1 50.31 0.00 2.21 0.16 0.10 47.22 14:40:02 2 49.59 0.00 1.81 0.17 0.11 48.31 14:40:02 3 49.87 0.00 2.00 0.06 0.10 47.98 14:50:02 all 35.10 0.00 1.44 0.16 0.07 63.23 14:50:02 0 41.11 0.00 2.11 0.09 0.08 56.61 14:50:02 1 40.77 0.00 1.37 0.13 0.08 57.66 14:50:02 2 25.40 0.00 1.22 0.34 0.07 72.96 14:50:02 3 33.14 0.00 1.05 0.08 0.07 65.67 Average: all 50.02 0.00 1.92 0.14 0.10 47.83 Average: 0 51.30 0.00 2.10 0.19 0.10 46.31 Average: 1 52.35 0.00 2.06 0.12 0.10 45.38 Average: 2 47.27 0.00 1.76 0.18 0.10 50.69 Average: 3 49.16 0.00 1.76 0.07 0.09 48.92