---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1519 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 68G 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 661 10501 4 4826 14984 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:93:f3:8c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.165/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84207sec preferred_lft 84207sec inet6 fe80::f816:3eff:fe93:f38c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 26:3c:14:93:e2:9f 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-1519) 08/02/26 _x86_64_ (4 CPU) 10:39:34 LINUX RESTART (4 CPU) 10:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:50:01 45.41 8.23 36.50 0.68 1274.97 6833.71 2515.44 11:00:14 12.86 1.99 10.02 0.85 127.84 2794.57 1703.76 11:10:09 27.61 0.67 23.50 3.43 21.60 4154.36 12765.09 Average: 28.53 3.63 23.26 1.64 473.94 4584.06 5615.12 10:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:50:01 13049656 15523044 450760 2.75 98812 2563672 1003316 5.76 339588 2648800 164 11:00:14 10675552 14053628 1905160 11.64 133520 3362776 2268856 13.02 563892 4749060 29792 11:10:09 8754668 13228540 2722476 16.63 168364 4344428 3491100 20.04 863416 6282052 2224 Average: 10826625 14268404 1692799 10.34 133565 3423625 2254424 12.94 588965 4559971 10727 10:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:50:01 lo 0.39 0.39 0.04 0.04 0.00 0.00 0.00 0.00 10:50:01 ens3 80.06 55.38 568.05 10.50 0.00 0.00 0.00 0.00 10:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:00:14 lo 1.14 1.14 0.11 0.11 0.00 0.00 0.00 0.00 11:00:14 ens3 93.04 78.16 613.92 18.22 0.00 0.00 0.00 0.00 11:00:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:09 lo 1591.80 1591.80 1517.42 1517.42 0.00 0.00 0.00 0.00 11:10:09 ens3 85.60 64.32 430.26 16.96 0.00 0.00 0.00 0.00 11:10:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 524.58 524.58 499.63 499.63 0.00 0.00 0.00 0.00 Average: ens3 86.28 66.04 538.21 15.24 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-1519) 08/02/26 _x86_64_ (4 CPU) 10:39:34 LINUX RESTART (4 CPU) 10:40:00 CPU %user %nice %system %iowait %steal %idle 10:50:01 all 3.31 0.00 0.51 0.48 0.03 95.67 10:50:01 0 2.04 0.00 0.50 0.24 0.03 97.19 10:50:01 1 5.41 0.00 0.46 0.14 0.02 93.96 10:50:01 2 4.17 0.00 0.52 1.06 0.03 94.22 10:50:01 3 1.63 0.00 0.57 0.48 0.02 97.30 11:00:14 all 57.45 0.00 1.85 0.05 0.09 40.56 11:00:14 0 55.39 0.00 1.68 0.05 0.09 42.79 11:00:14 1 58.27 0.00 1.90 0.06 0.09 39.68 11:00:14 2 56.70 0.00 1.92 0.07 0.09 41.21 11:00:14 3 59.44 0.00 1.90 0.03 0.09 38.54 11:10:09 all 67.34 0.00 2.61 0.06 0.10 29.90 11:10:09 0 67.42 0.00 2.52 0.08 0.10 29.89 11:10:09 1 66.21 0.00 2.39 0.07 0.10 31.24 11:10:09 2 68.13 0.00 2.74 0.04 0.10 28.98 11:10:09 3 67.59 0.00 2.79 0.05 0.10 29.47 Average: all 42.67 0.00 1.65 0.20 0.07 55.40 Average: 0 41.57 0.00 1.56 0.12 0.07 56.68 Average: 1 43.28 0.00 1.58 0.09 0.07 54.97 Average: 2 42.96 0.00 1.72 0.39 0.07 54.85 Average: 3 42.89 0.00 1.75 0.19 0.07 55.11