---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-36715 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 10G 68G 13% / 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 678 10928 4 4383 14968 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:11:5e:eb brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.129/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84896sec preferred_lft 84896sec inet6 fe80::f816:3eff:fe11:5eeb/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether f6:f8:78:1e:f4:6c 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-36715) 07/17/26 _x86_64_ (4 CPU) 21:56:39 LINUX RESTART (4 CPU) 22:00:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:10:12 47.87 2.59 37.48 7.79 143.80 4462.43 6728.20 22:20:12 28.87 0.15 23.71 5.00 9.92 3212.01 5098.65 Average: 38.37 1.37 30.59 6.40 76.86 3837.22 5913.43 22:00:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:10:12 10427172 13857464 2101080 12.83 160120 3379592 2404456 13.80 583916 4968528 25060 22:20:12 11258844 15383388 570388 3.48 198792 3981460 1113968 6.39 783708 3849244 8 Average: 10843008 14620426 1335734 8.16 179456 3680526 1759212 10.10 683812 4408886 12534 22:00:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:10:12 lo 3953.37 3953.37 3769.69 3769.69 0.00 0.00 0.00 0.00 22:10:12 ens3 168.90 124.25 790.87 32.12 0.00 0.00 0.00 0.00 22:10:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:20:12 lo 2066.72 2066.72 1954.37 1954.37 0.00 0.00 0.00 0.00 22:20:12 ens3 114.08 106.42 128.27 162.40 0.00 0.00 0.00 0.00 22:20:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3010.05 3010.05 2862.03 2862.03 0.00 0.00 0.00 0.00 Average: ens3 141.49 115.33 459.57 97.26 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-36715) 07/17/26 _x86_64_ (4 CPU) 21:56:39 LINUX RESTART (4 CPU) 22:00:12 CPU %user %nice %system %iowait %steal %idle 22:10:12 all 62.74 0.00 3.78 0.10 0.10 33.28 22:10:12 0 61.93 0.00 3.46 0.11 0.10 34.40 22:10:12 1 62.76 0.00 3.64 0.08 0.10 33.43 22:10:12 2 61.88 0.00 3.84 0.09 0.09 34.11 22:10:12 3 64.39 0.00 4.19 0.13 0.10 31.19 22:20:12 all 37.33 0.00 2.08 0.08 0.07 60.44 22:20:12 0 40.98 0.00 2.33 0.06 0.07 56.57 22:20:12 1 35.17 0.00 2.09 0.09 0.07 62.58 22:20:12 2 39.42 0.00 1.88 0.06 0.07 58.57 22:20:12 3 33.74 0.00 2.04 0.12 0.08 64.03 Average: all 50.02 0.00 2.93 0.09 0.08 46.87 Average: 0 51.45 0.00 2.89 0.08 0.08 45.50 Average: 1 48.95 0.00 2.86 0.08 0.09 48.02 Average: 2 50.64 0.00 2.86 0.07 0.08 46.35 Average: 3 49.06 0.00 3.12 0.13 0.09 47.62