---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-484403 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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 655 9442 4 5891 14991 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:1e:99:2c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.199/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82925sec preferred_lft 82925sec inet6 fe80::f816:3eff:fe1e:992c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8a:2e:1f:65:69:e2 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-484403) 03/15/26 _x86_64_ (4 CPU) 21:56:04 LINUX RESTART (4 CPU) 22:00:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:10:01 1.38 0.04 1.33 0.01 1.85 16.98 219.43 22:20:01 1.26 0.01 1.25 0.00 0.05 14.17 0.00 22:30:00 1.22 0.00 1.22 0.00 0.00 13.90 0.00 22:40:01 26.07 1.31 24.26 0.50 95.67 880.32 337.01 22:50:01 35.89 3.41 30.22 2.26 182.28 9886.45 10484.29 Average: 13.20 0.96 11.69 0.56 56.12 2167.19 2212.41 22:00:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:10:01 13763216 15504712 513976 3.14 54332 1914336 1137200 6.53 193640 2159032 260 22:20:01 13762208 15504236 514512 3.14 54668 1914476 1137200 6.53 194012 2160460 204 22:30:00 13761488 15503944 514852 3.14 55092 1914476 1137328 6.53 194428 2164992 8 22:40:01 13135200 15330152 658844 4.02 86420 2310732 1265076 7.26 269512 2684820 253620 22:50:01 8453696 13349280 2605176 15.91 139284 4840252 2822752 16.20 1157312 6327284 105440 Average: 12575162 15038465 961472 5.87 77959 2578854 1499911 8.61 401781 3099318 71906 22:00:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:10:01 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 22:10:01 ens3 0.38 0.18 0.13 0.07 0.00 0.00 0.00 0.00 22:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:20:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 22:20:01 ens3 0.35 0.10 0.09 0.04 0.00 0.00 0.00 0.00 22:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:30:00 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 22:30:00 ens3 0.58 0.64 0.11 0.55 0.00 0.00 0.00 0.00 22:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:40:01 lo 0.17 0.17 0.02 0.02 0.00 0.00 0.00 0.00 22:40:01 ens3 30.23 20.87 155.42 4.61 0.00 0.00 0.00 0.00 22:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:50:01 lo 967.19 967.19 921.27 921.27 0.00 0.00 0.00 0.00 22:50:01 ens3 128.05 96.24 1175.05 19.24 0.00 0.00 0.00 0.00 22:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 193.93 193.93 184.64 184.64 0.00 0.00 0.00 0.00 Average: ens3 32.00 23.66 266.78 4.92 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-484403) 03/15/26 _x86_64_ (4 CPU) 21:56:04 LINUX RESTART (4 CPU) 22:00:07 CPU %user %nice %system %iowait %steal %idle 22:10:01 all 0.32 0.00 0.03 0.01 0.02 99.62 22:10:01 0 0.11 0.00 0.02 0.00 0.01 99.86 22:10:01 1 0.02 0.00 0.03 0.01 0.01 99.93 22:10:01 2 0.04 0.00 0.04 0.04 0.02 99.86 22:10:01 3 1.09 0.00 0.04 0.00 0.02 98.85 22:20:01 all 0.09 0.00 0.03 0.01 0.02 99.86 22:20:01 0 0.02 0.00 0.03 0.00 0.01 99.93 22:20:01 1 0.02 0.00 0.02 0.02 0.02 99.94 22:20:01 2 0.02 0.00 0.03 0.01 0.02 99.93 22:20:01 3 0.30 0.00 0.03 0.00 0.03 99.64 22:30:00 all 0.08 0.00 0.02 0.01 0.02 99.86 22:30:00 0 0.04 0.00 0.02 0.00 0.01 99.93 22:30:00 1 0.12 0.00 0.03 0.03 0.02 99.81 22:30:00 2 0.02 0.00 0.03 0.01 0.03 99.92 22:30:00 3 0.17 0.00 0.03 0.01 0.01 99.79 22:40:01 all 1.95 0.00 0.24 0.24 0.02 97.55 22:40:01 0 3.35 0.00 0.29 0.06 0.02 96.29 22:40:01 1 1.49 0.00 0.29 0.34 0.01 97.86 22:40:01 2 0.57 0.00 0.10 0.01 0.04 99.29 22:40:01 3 2.40 0.00 0.27 0.54 0.01 96.78 22:50:01 all 54.41 0.00 2.43 0.13 0.08 42.95 22:50:01 0 58.73 0.00 2.19 0.05 0.08 38.95 22:50:01 1 50.68 0.00 2.21 0.12 0.08 46.91 22:50:01 2 54.49 0.00 2.48 0.08 0.08 42.88 22:50:01 3 53.74 0.00 2.83 0.28 0.08 43.07 Average: all 11.36 0.00 0.55 0.08 0.03 87.98 Average: 0 12.44 0.00 0.51 0.02 0.03 87.00 Average: 1 10.45 0.00 0.52 0.10 0.03 88.90 Average: 2 11.04 0.00 0.53 0.03 0.04 88.37 Average: 3 11.51 0.00 0.64 0.17 0.03 87.66