---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-20383 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 719 9232 4 6037 14926 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:09:8e:de brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.147/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84574sec preferred_lft 84574sec inet6 fe80::f816:3eff:fe09:8ede/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9a:85:a3:3e:64:f8 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-20383) 05/26/26 _x86_64_ (4 CPU) 13:54:51 LINUX RESTART (4 CPU) 14:00:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:10:34 31.68 0.62 28.01 3.05 39.08 4192.66 9197.83 14:20:21 29.95 0.04 27.07 2.84 1.99 6060.54 11603.96 Average: 30.84 0.34 27.56 2.95 21.18 5094.36 10359.37 14:00:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:10:34 9255384 13431088 2522964 15.41 164144 4087644 2667828 15.31 937488 5717032 15056 14:20:21 7668656 13247180 2700244 16.49 188928 5395156 2832424 16.26 1232916 6954400 29600 Average: 8462020 13339134 2611604 15.95 176536 4741400 2750126 15.79 1085202 6335716 22328 14:00:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:10:34 lo 1253.07 1253.07 1194.30 1194.30 0.00 0.00 0.00 0.00 14:10:34 ens3 74.18 53.95 315.68 14.72 0.00 0.00 0.00 0.00 14:10:34 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:20:21 lo 830.74 830.74 790.98 790.98 0.00 0.00 0.00 0.00 14:20:21 ens3 66.61 52.79 240.70 14.28 0.00 0.00 0.00 0.00 14:20:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1049.19 1049.19 999.60 999.60 0.00 0.00 0.00 0.00 Average: ens3 70.52 53.39 279.48 14.51 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-20383) 05/26/26 _x86_64_ (4 CPU) 13:54:51 LINUX RESTART (4 CPU) 14:00:05 CPU %user %nice %system %iowait %steal %idle 14:10:34 all 64.85 0.00 2.43 0.31 0.12 32.28 14:10:34 0 63.56 0.00 2.54 0.40 0.12 33.38 14:10:34 1 65.45 0.00 2.61 0.19 0.12 31.62 14:10:34 2 65.89 0.00 2.30 0.50 0.12 31.19 14:10:34 3 64.50 0.00 2.28 0.16 0.12 32.93 14:20:21 all 59.64 0.00 2.18 0.28 0.10 37.80 14:20:21 0 58.57 0.00 2.05 0.12 0.09 39.16 14:20:21 1 56.61 0.00 2.03 0.19 0.10 41.07 14:20:21 2 64.01 0.00 2.24 0.13 0.10 33.52 14:20:21 3 59.39 0.00 2.38 0.68 0.10 37.45 Average: all 62.34 0.00 2.31 0.30 0.11 34.94 Average: 0 61.15 0.00 2.31 0.27 0.11 36.17 Average: 1 61.18 0.00 2.33 0.19 0.11 36.18 Average: 2 64.99 0.00 2.27 0.32 0.11 32.31 Average: 3 62.04 0.00 2.33 0.41 0.11 35.11