---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-25278 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 699 9182 4 6107 14947 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:bc:51:3b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.22/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84760sec preferred_lft 84760sec inet6 fe80::f816:3eff:febc:513b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9a:0c:28:22:a2:c4 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-25278) 06/06/26 _x86_64_ (4 CPU) 02:34:10 LINUX RESTART (4 CPU) 02:40:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:50:14 10.90 0.03 9.30 1.57 0.67 746.84 29952.24 03:00:35 37.11 0.46 31.93 4.72 13.25 8044.83 21113.81 Average: 24.22 0.25 20.80 3.17 7.06 4456.34 25459.75 02:40:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:50:14 9290476 12935564 3022708 18.46 125024 3640140 3255580 18.69 727280 5957272 1056 03:00:35 9503432 15389396 557704 3.41 167624 5729484 1061940 6.10 1620884 4709828 5336 Average: 9396954 14162480 1790206 10.93 146324 4684812 2158760 12.39 1174082 5333550 3196 02:40:14 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:50:14 lo 54.83 54.83 13.50 13.50 0.00 0.00 0.00 0.00 02:50:14 ens3 9.47 7.62 9.30 2.53 0.00 0.00 0.00 0.00 02:50:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:00:35 lo 2211.35 2211.35 2127.42 2127.42 0.00 0.00 0.00 0.00 03:00:35 ens3 96.58 67.98 515.59 20.18 0.00 0.00 0.00 0.00 03:00:35 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1150.97 1150.97 1087.99 1087.99 0.00 0.00 0.00 0.00 Average: ens3 53.75 38.30 266.64 11.50 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-25278) 06/06/26 _x86_64_ (4 CPU) 02:34:10 LINUX RESTART (4 CPU) 02:40:14 CPU %user %nice %system %iowait %steal %idle 02:50:14 all 18.29 0.00 0.85 0.07 0.10 80.70 02:50:14 0 17.60 0.00 0.78 0.05 0.09 81.47 02:50:14 1 19.11 0.00 1.05 0.03 0.10 79.71 02:50:14 2 18.80 0.00 0.81 0.16 0.09 80.14 02:50:14 3 17.66 0.00 0.75 0.03 0.09 81.47 03:00:35 all 50.47 0.00 2.69 0.13 0.10 46.61 03:00:35 0 49.21 0.00 2.57 0.18 0.10 47.94 03:00:35 1 51.28 0.00 2.53 0.06 0.10 46.04 03:00:35 2 52.64 0.00 3.11 0.10 0.09 44.05 03:00:35 3 48.77 0.00 2.55 0.16 0.10 48.42 Average: all 34.62 0.00 1.78 0.10 0.10 63.40 Average: 0 33.66 0.00 1.69 0.11 0.10 64.44 Average: 1 35.43 0.00 1.80 0.05 0.10 62.63 Average: 2 35.96 0.00 1.97 0.13 0.09 61.84 Average: 3 33.45 0.00 1.66 0.09 0.09 64.70