---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-12779 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 11G 67G 14% / 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 620 10419 4 4949 15025 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:81:3f:9e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.132/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84829sec preferred_lft 84829sec inet6 fe80::f816:3eff:fe81:3f9e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2a:f5:6e:27:82:0b 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-12779) 05/11/26 _x86_64_ (4 CPU) 20:07:30 LINUX RESTART (4 CPU) 20:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:20:14 10.52 1.65 8.39 0.47 118.04 2327.10 256.76 20:30:10 10.78 0.53 9.56 0.70 19.15 1777.95 4392.38 Average: 10.65 1.10 8.97 0.58 69.29 2056.40 2295.39 20:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:20:14 8931200 12003360 3958924 24.18 114460 3122316 4177744 23.98 524188 6575492 72 20:30:10 10130512 13644260 2314468 14.14 132860 3517088 2507876 14.40 697576 5144960 16880 Average: 9530856 12823810 3136696 19.16 123660 3319702 3342810 19.19 610882 5860226 8476 20:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:20:14 lo 0.67 0.67 0.37 0.37 0.00 0.00 0.00 0.00 20:20:14 ens3 30.79 24.47 262.11 4.08 0.00 0.00 0.00 0.00 20:20:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:30:10 lo 187.99 187.99 178.79 178.79 0.00 0.00 0.00 0.00 20:30:10 ens3 39.90 29.53 435.72 3.82 0.00 0.00 0.00 0.00 20:30:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 93.01 93.01 88.32 88.32 0.00 0.00 0.00 0.00 Average: ens3 35.28 26.97 347.69 3.95 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-12779) 05/11/26 _x86_64_ (4 CPU) 20:07:30 LINUX RESTART (4 CPU) 20:10:01 CPU %user %nice %system %iowait %steal %idle 20:20:14 all 50.38 0.00 0.88 0.06 0.08 48.60 20:20:14 0 39.82 0.00 0.81 0.05 0.08 59.23 20:20:14 1 59.20 0.00 1.01 0.09 0.08 39.61 20:20:14 2 51.11 0.00 0.98 0.08 0.08 47.75 20:20:14 3 51.36 0.00 0.72 0.03 0.08 47.80 20:30:10 all 50.49 0.00 0.93 0.03 0.08 48.47 20:30:10 0 61.06 0.00 0.84 0.02 0.08 38.01 20:30:10 1 46.95 0.00 0.84 0.02 0.07 52.12 20:30:10 2 54.01 0.00 1.05 0.06 0.08 44.80 20:30:10 3 39.97 0.00 0.99 0.03 0.08 58.93 Average: all 50.43 0.00 0.91 0.05 0.08 48.53 Average: 0 50.28 0.00 0.83 0.04 0.08 48.77 Average: 1 53.17 0.00 0.93 0.06 0.07 45.77 Average: 2 52.54 0.00 1.02 0.07 0.08 46.29 Average: 3 45.74 0.00 0.86 0.03 0.08 53.30