---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-9925 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: 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 15% / 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 681 9314 4 5993 14965 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:30:7b:fe brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.112/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83124sec preferred_lft 83124sec inet6 fe80::f816:3eff:fe30:7bfe/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether de:82:08:cf:ed:a5 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-9925) 04/30/26 _x86_64_ (4 CPU) 11:50:11 LINUX RESTART (4 CPU) 12:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:10:12 1.29 0.00 1.28 0.00 0.04 15.30 0.13 12:20:02 44.80 4.81 38.00 1.99 283.26 5199.67 29044.32 12:30:02 26.54 0.23 11.14 15.17 206.72 1099.77 260571.89 12:40:02 34.27 0.18 30.01 4.07 5.78 7567.17 70566.99 Average: 26.54 1.29 19.95 5.30 122.71 3448.40 89932.19 12:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:10:12 13787748 15532464 486572 2.97 54060 1917608 1141588 6.55 192952 2156312 32 12:20:02 10413476 13668768 2292624 14.00 118024 3276140 2572844 14.77 634196 4956960 29224 12:30:02 9496524 13065760 2892560 17.67 130920 3558824 3088724 17.73 743548 5724716 236 12:40:02 7380440 12957036 2991252 18.27 164764 5438292 2967292 17.03 1554540 6932392 7832 Average: 10269547 13806007 2165752 13.23 116942 3547716 2442612 14.02 781309 4942595 9331 12:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:10:12 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 12:10:12 ens3 0.25 0.09 0.04 0.02 0.00 0.00 0.00 0.00 12:10:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:20:02 lo 0.67 0.67 0.07 0.07 0.00 0.00 0.00 0.00 12:20:02 ens3 110.51 80.98 949.83 16.52 0.00 0.00 0.00 0.00 12:20:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:02 lo 49.62 49.62 11.96 11.96 0.00 0.00 0.00 0.00 12:30:02 ens3 14.19 10.47 68.10 2.96 0.00 0.00 0.00 0.00 12:30:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:40:02 lo 1813.16 1813.16 1725.54 1725.54 0.00 0.00 0.00 0.00 12:40:02 ens3 69.90 54.59 465.48 13.68 0.00 0.00 0.00 0.00 12:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 466.04 466.04 434.54 434.54 0.00 0.00 0.00 0.00 Average: ens3 48.24 36.18 366.74 8.22 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-9925) 04/30/26 _x86_64_ (4 CPU) 11:50:11 LINUX RESTART (4 CPU) 12:00:01 CPU %user %nice %system %iowait %steal %idle 12:10:12 all 0.08 0.00 0.03 0.12 0.02 99.75 12:10:12 0 0.02 0.00 0.03 0.00 0.01 99.93 12:10:12 1 0.04 0.00 0.03 0.01 0.02 99.90 12:10:12 2 0.19 0.00 0.02 0.01 0.03 99.74 12:10:12 3 0.08 0.00 0.02 0.44 0.03 99.43 12:20:02 all 24.16 0.00 1.18 0.36 0.07 74.23 12:20:02 0 25.57 0.00 1.49 0.15 0.06 72.73 12:20:02 1 22.26 0.00 1.09 0.20 0.07 76.39 12:20:02 2 23.49 0.00 1.02 0.69 0.07 74.74 12:20:02 3 25.33 0.00 1.14 0.39 0.07 73.07 12:30:02 all 23.60 0.00 1.07 0.11 0.21 75.01 12:30:02 0 23.46 0.00 1.09 0.10 0.17 75.18 12:30:02 1 23.89 0.00 1.08 0.06 0.25 74.73 12:30:02 2 24.03 0.00 1.02 0.04 0.24 74.67 12:30:02 3 23.01 0.00 1.09 0.25 0.19 75.45 12:40:02 all 50.25 0.00 2.56 0.12 0.14 46.94 12:40:02 0 48.76 0.00 2.26 0.05 0.13 48.80 12:40:02 1 49.89 0.00 2.64 0.26 0.14 47.07 12:40:02 2 50.51 0.00 2.68 0.05 0.13 46.64 12:40:02 3 51.86 0.00 2.65 0.11 0.14 45.24 Average: all 24.40 0.00 1.20 0.17 0.11 74.11 Average: 0 24.33 0.00 1.21 0.07 0.09 74.29 Average: 1 23.90 0.00 1.20 0.13 0.12 74.64 Average: 2 24.44 0.00 1.18 0.19 0.12 74.07 Average: 3 24.94 0.00 1.22 0.30 0.11 73.44