---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-22380 5.15.0-168-generic #178-Ubuntu SMP Fri Jan 9 19:05:03 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 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 680 9017 4 6290 14966 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:2a:4f:75 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.223/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83386sec preferred_lft 83386sec inet6 fe80::f816:3eff:fe2a:4f75/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2e:34:05:49:fd:94 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-22380) 02/26/26 _x86_64_ (4 CPU) 13:06:18 LINUX RESTART (4 CPU) 13:10:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:20:01 1.79 0.05 1.74 0.01 2.13 21.80 0.72 13:30:22 1.48 0.00 1.47 0.00 0.04 17.44 0.00 13:40:15 58.26 5.14 50.37 2.75 286.03 5690.68 5099.68 13:50:01 26.66 0.02 23.82 2.82 0.31 2182.75 13339.98 Average: 21.76 1.29 19.10 1.37 71.38 1951.47 4523.63 13:10:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:20:01 13809368 15536984 481876 2.94 54004 1900892 1125684 6.46 192396 2128096 200 13:30:22 13808864 15537256 481568 2.94 54616 1901032 1125716 6.46 193004 2129128 16 13:40:15 10107064 13363856 2596364 15.86 130864 3268808 2733744 15.69 621476 5285828 15868 13:50:01 9484228 13132528 2824348 17.25 148452 3610284 3213328 18.44 732772 5752224 32860 Average: 11802381 14392656 1596039 9.75 96984 2670254 2049618 11.76 434912 3823819 12236 13:10:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:20:01 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 13:20:01 ens3 0.85 0.22 0.21 0.11 0.00 0.00 0.00 0.00 13:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:30:22 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 13:30:22 ens3 0.58 0.09 0.08 0.02 0.00 0.00 0.00 0.00 13:30:22 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:40:15 lo 1160.28 1160.28 1098.46 1098.46 0.00 0.00 0.00 0.00 13:40:15 ens3 135.07 104.02 1192.47 19.55 0.00 0.00 0.00 0.00 13:40:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:50:01 lo 1196.08 1196.08 1138.72 1138.72 0.00 0.00 0.00 0.00 13:50:01 ens3 28.98 22.79 17.88 7.21 0.00 0.00 0.00 0.00 13:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 579.55 579.55 550.19 550.19 0.00 0.00 0.00 0.00 Average: ens3 40.86 31.38 299.45 6.63 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-22380) 02/26/26 _x86_64_ (4 CPU) 13:06:18 LINUX RESTART (4 CPU) 13:10:04 CPU %user %nice %system %iowait %steal %idle 13:20:01 all 0.22 0.00 0.03 0.08 0.02 99.65 13:20:01 0 0.06 0.00 0.02 0.00 0.02 99.91 13:20:01 1 0.03 0.00 0.03 0.24 0.01 99.69 13:20:01 2 0.03 0.00 0.03 0.07 0.01 99.86 13:20:01 3 0.78 0.00 0.04 0.01 0.03 99.14 13:30:22 all 0.08 0.00 0.03 0.01 0.01 99.87 13:30:22 0 0.01 0.00 0.02 0.00 0.01 99.95 13:30:22 1 0.03 0.00 0.03 0.04 0.01 99.89 13:30:22 2 0.03 0.00 0.03 0.00 0.02 99.92 13:30:22 3 0.23 0.00 0.02 0.00 0.02 99.73 13:40:15 all 50.59 0.00 2.21 0.60 0.10 46.50 13:40:15 0 51.68 0.00 2.23 0.62 0.10 45.37 13:40:15 1 51.47 0.00 2.44 0.48 0.10 45.51 13:40:15 2 49.67 0.00 2.24 0.75 0.10 47.25 13:40:15 3 49.52 0.00 1.92 0.57 0.10 47.88 13:50:01 all 65.14 0.00 2.37 0.29 0.13 32.07 13:50:01 0 65.07 0.00 2.41 0.52 0.13 31.86 13:50:01 1 66.17 0.00 2.23 0.15 0.13 31.31 13:50:01 2 63.79 0.00 2.49 0.16 0.13 33.43 13:50:01 3 65.54 0.00 2.34 0.33 0.13 31.66 Average: all 28.45 0.00 1.14 0.24 0.06 70.10 Average: 0 28.65 0.00 1.15 0.28 0.06 69.85 Average: 1 28.88 0.00 1.16 0.23 0.06 69.67 Average: 2 27.84 0.00 1.17 0.24 0.06 70.68 Average: 3 28.45 0.00 1.06 0.22 0.07 70.19