---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-26953 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 16% / 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 701 8885 4 6402 14945 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:30:87:88 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.35/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84476sec preferred_lft 84476sec inet6 fe80::f816:3eff:fe30:8788/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8a:ff:b1:4b:ce:35 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-26953) 03/04/26 _x86_64_ (4 CPU) 10:25:49 LINUX RESTART (4 CPU) 10:30:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:40:09 21.19 0.10 18.60 2.48 8.63 2111.11 4916.36 10:50:09 30.60 0.02 27.38 3.21 0.27 2322.11 17929.01 Average: 25.90 0.06 22.99 2.85 4.45 2216.61 11422.69 10:30:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:40:09 9146120 12628036 3330640 20.34 136464 3468616 3272936 18.79 688140 6156200 16396 10:50:09 9151312 13067380 2888240 17.64 162032 3848432 2799852 16.07 801844 6001012 74324 Average: 9148716 12847708 3109440 18.99 149248 3658524 3036394 17.43 744992 6078606 45360 10:30:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:40:09 lo 1355.71 1355.71 1286.16 1286.16 0.00 0.00 0.00 0.00 10:40:09 ens3 33.02 26.34 25.56 8.12 0.00 0.00 0.00 0.00 10:40:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:50:09 lo 1442.73 1442.73 1374.85 1374.85 0.00 0.00 0.00 0.00 10:50:09 ens3 24.20 21.08 22.79 6.20 0.00 0.00 0.00 0.00 10:50:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1399.22 1399.22 1330.50 1330.50 0.00 0.00 0.00 0.00 Average: ens3 28.61 23.71 24.18 7.16 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-26953) 03/04/26 _x86_64_ (4 CPU) 10:25:49 LINUX RESTART (4 CPU) 10:30:09 CPU %user %nice %system %iowait %steal %idle 10:40:09 all 69.38 0.00 2.31 0.28 0.13 27.90 10:40:09 0 69.99 0.00 2.33 0.88 0.13 26.67 10:40:09 1 71.08 0.00 2.03 0.02 0.13 26.73 10:40:09 2 67.16 0.00 2.43 0.19 0.13 30.10 10:40:09 3 69.27 0.00 2.46 0.03 0.13 28.11 10:50:09 all 62.29 0.00 2.48 0.07 0.12 35.04 10:50:09 0 62.15 0.00 2.12 0.04 0.12 35.57 10:50:09 1 62.01 0.00 2.63 0.04 0.12 35.20 10:50:09 2 62.16 0.00 2.83 0.05 0.12 34.84 10:50:09 3 62.83 0.00 2.35 0.13 0.12 34.57 Average: all 65.83 0.00 2.40 0.17 0.13 31.47 Average: 0 66.07 0.00 2.22 0.46 0.12 31.12 Average: 1 66.55 0.00 2.33 0.03 0.13 30.96 Average: 2 64.66 0.00 2.63 0.12 0.12 32.47 Average: 3 66.05 0.00 2.41 0.08 0.12 31.34