---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-39143 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 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 672 9914 4 5402 14974 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:68:32:60 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.213/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84435sec preferred_lft 84435sec inet6 fe80::f816:3eff:fe68:3260/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether f6:25:34:f2:d8:fe 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-39143) 07/26/26 _x86_64_ (4 CPU) 18:21:21 LINUX RESTART (4 CPU) 18:30:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:40:09 43.23 0.02 36.76 6.44 0.63 1459.12 123961.79 18:50:01 34.17 0.19 29.47 4.52 5.88 6189.80 27052.20 Average: 38.73 0.11 33.14 5.49 3.23 3808.75 75828.91 18:30:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:40:09 9578476 13035216 2923544 17.86 155604 3424728 3148624 18.07 676032 5718096 164 18:50:01 7471152 12729528 3219712 19.66 188724 5097400 3716184 21.33 1289476 7122740 248908 Average: 8524814 12882372 3071628 18.76 172164 4261064 3432404 19.70 982754 6420418 124536 18:30:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:40:09 lo 49.24 49.24 12.02 12.02 0.00 0.00 0.00 0.00 18:40:09 ens3 9.80 7.52 8.40 2.41 0.00 0.00 0.00 0.00 18:40:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:50:01 lo 2312.07 2312.07 2201.52 2201.52 0.00 0.00 0.00 0.00 18:50:01 ens3 82.43 60.43 484.42 14.66 0.00 0.00 0.00 0.00 18:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1173.13 1173.13 1099.49 1099.49 0.00 0.00 0.00 0.00 Average: ens3 45.87 33.80 244.83 8.50 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-39143) 07/26/26 _x86_64_ (4 CPU) 18:21:21 LINUX RESTART (4 CPU) 18:30:09 CPU %user %nice %system %iowait %steal %idle 18:40:09 all 19.72 0.00 0.91 0.27 0.08 79.02 18:40:09 0 19.53 0.00 0.73 0.08 0.08 79.57 18:40:09 1 18.82 0.00 0.95 0.14 0.08 80.02 18:40:09 2 19.76 0.00 0.87 0.13 0.08 79.16 18:40:09 3 20.77 0.00 1.07 0.75 0.08 77.34 18:50:01 all 50.38 0.00 2.54 0.12 0.09 46.87 18:50:01 0 48.81 0.00 2.62 0.13 0.09 48.35 18:50:01 1 49.90 0.00 2.26 0.18 0.09 47.58 18:50:01 2 52.63 0.00 3.03 0.10 0.09 44.15 18:50:01 3 50.18 0.00 2.26 0.06 0.09 47.41 Average: all 34.94 0.00 1.72 0.20 0.08 63.06 Average: 0 34.07 0.00 1.67 0.10 0.08 64.07 Average: 1 34.25 0.00 1.60 0.16 0.09 63.91 Average: 2 36.07 0.00 1.94 0.12 0.08 61.79 Average: 3 35.36 0.00 1.66 0.41 0.08 62.49