---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-25421 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 67G 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 760 9401 4 5827 14885 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:d2:18:e4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.167/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83705sec preferred_lft 83705sec inet6 fe80::f816:3eff:fed2:18e4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7a:79:1f:ac:05:15 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-25421) 06/06/26 _x86_64_ (4 CPU) 20:24:20 LINUX RESTART (4 CPU) 20:30:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:09 27.70 2.31 10.93 14.46 136.24 3158.74 240758.58 20:50:07 53.68 0.34 44.53 8.81 9.97 4570.47 19017.93 21:00:03 45.91 0.30 37.88 7.72 11.85 5316.03 13357.24 Average: 42.41 0.99 31.09 10.34 52.81 4346.24 91276.78 20:30:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:09 9988956 13422096 2537372 15.50 148668 3399236 2873808 16.50 584428 5411500 62252 20:50:07 8798464 13187548 2762808 16.87 202900 4217920 2782492 15.97 815528 6258900 6824 21:00:03 9765880 15365940 580156 3.54 238464 5324268 1126556 6.47 1206608 4833648 26564 Average: 9517767 13991861 1960112 11.97 196677 4313808 2260952 12.98 868855 5501349 31880 20:30:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:09 lo 1.19 1.19 0.12 0.12 0.00 0.00 0.00 0.00 20:40:09 ens3 97.61 75.35 526.68 19.54 0.00 0.00 0.00 0.00 20:40:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:07 lo 4457.90 4457.90 4251.18 4251.18 0.00 0.00 0.00 0.00 20:50:07 ens3 84.85 64.12 320.42 18.83 0.00 0.00 0.00 0.00 20:50:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:03 lo 4045.90 4045.90 3856.26 3856.26 0.00 0.00 0.00 0.00 21:00:03 ens3 82.02 66.25 104.51 34.28 0.00 0.00 0.00 0.00 21:00:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2830.84 2830.84 2698.56 2698.56 0.00 0.00 0.00 0.00 Average: ens3 88.17 68.58 317.62 24.20 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-25421) 06/06/26 _x86_64_ (4 CPU) 20:24:20 LINUX RESTART (4 CPU) 20:30:09 CPU %user %nice %system %iowait %steal %idle 20:40:09 all 59.05 0.00 2.03 0.06 0.08 38.77 20:40:09 0 59.69 0.00 2.02 0.09 0.09 38.12 20:40:09 1 58.31 0.00 2.03 0.08 0.09 39.50 20:40:09 2 59.71 0.00 2.31 0.03 0.09 37.86 20:40:09 3 58.48 0.00 1.78 0.05 0.08 39.61 20:50:07 all 64.25 0.00 4.02 0.11 0.10 31.53 20:50:07 0 63.80 0.00 4.00 0.09 0.09 32.02 20:50:07 1 64.02 0.00 4.10 0.17 0.09 31.61 20:50:07 2 64.90 0.00 4.13 0.10 0.10 30.77 20:50:07 3 64.27 0.00 3.84 0.07 0.10 31.74 21:00:03 all 60.28 0.00 3.70 0.14 0.08 35.80 21:00:03 0 60.17 0.00 3.34 0.07 0.08 36.34 21:00:03 1 59.69 0.00 3.91 0.21 0.08 36.11 21:00:03 2 62.69 0.00 3.96 0.09 0.08 33.18 21:00:03 3 58.56 0.00 3.58 0.21 0.08 37.57 Average: all 61.19 0.00 3.25 0.10 0.09 35.37 Average: 0 61.22 0.00 3.12 0.08 0.09 35.50 Average: 1 60.67 0.00 3.34 0.15 0.09 35.75 Average: 2 62.43 0.00 3.47 0.07 0.09 33.94 Average: 3 60.43 0.00 3.06 0.11 0.09 36.31