---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-65959 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 13G 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 640 8621 4 6727 15006 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:69:72:26 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.120/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84416sec preferred_lft 84416sec inet6 fe80::f816:3eff:fe69:7226/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ba:e9:f0:8f:3a:21 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-65959) 04/02/26 _x86_64_ (4 CPU) 07:08:48 LINUX RESTART (4 CPU) 07:10:19 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:20:03 43.80 4.36 35.83 3.61 612.98 6143.42 13051.83 07:30:01 28.07 0.01 25.18 2.89 0.17 2339.39 20264.65 07:40:28 14.17 0.04 13.40 0.73 0.73 8249.58 5264.90 Average: 28.33 1.42 24.53 2.37 198.10 5615.19 12738.67 07:10:19 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:20:03 9248640 12942808 3015492 18.42 137248 3681328 3258192 18.70 803924 5925644 25352 07:30:01 8762432 12833836 3121024 19.06 159228 4006668 3081644 17.69 912696 6262220 240 07:40:28 6175988 12695308 3251372 19.86 176384 6353448 3477720 19.96 1749596 7923336 25228 Average: 8062353 12823984 3129296 19.11 157620 4680481 3272519 18.78 1155405 6703733 16940 07:10:19 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:20:03 lo 1577.19 1577.19 1496.58 1496.58 0.00 0.00 0.00 0.00 07:20:03 ens3 116.71 92.65 1157.08 16.37 0.00 0.00 0.00 0.00 07:20:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:30:01 lo 1369.33 1369.33 1304.88 1304.88 0.00 0.00 0.00 0.00 07:30:01 ens3 21.13 19.21 39.59 5.92 0.00 0.00 0.00 0.00 07:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:40:28 lo 2548.09 2548.09 9089.27 9089.27 0.00 0.00 0.00 0.00 07:40:28 ens3 25.36 22.90 127.06 6.41 0.00 0.00 0.00 0.00 07:40:28 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1844.94 1844.94 4064.67 4064.67 0.00 0.00 0.00 0.00 Average: ens3 53.44 44.19 430.48 9.46 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-65959) 04/02/26 _x86_64_ (4 CPU) 07:08:48 LINUX RESTART (4 CPU) 07:10:19 CPU %user %nice %system %iowait %steal %idle 07:20:03 all 68.94 0.00 2.62 0.14 0.08 28.22 07:20:03 0 69.26 0.00 2.60 0.09 0.08 27.97 07:20:03 1 68.28 0.00 2.43 0.08 0.08 29.13 07:20:03 2 69.90 0.00 2.89 0.23 0.09 26.89 07:20:03 3 68.34 0.00 2.56 0.14 0.08 28.88 07:30:01 all 59.91 0.00 2.19 0.21 0.09 37.61 07:30:01 0 61.02 0.00 2.07 0.47 0.08 36.36 07:30:01 1 58.48 0.00 2.27 0.12 0.09 39.05 07:30:01 2 60.19 0.00 2.20 0.19 0.09 37.33 07:30:01 3 59.95 0.00 2.20 0.07 0.09 37.69 07:40:28 all 39.54 0.00 1.48 1.72 0.08 57.18 07:40:28 0 37.08 0.00 1.77 2.35 0.08 58.72 07:40:28 1 43.36 0.00 1.50 0.66 0.08 54.41 07:40:28 2 35.71 0.00 1.59 2.19 0.08 60.44 07:40:28 3 42.01 0.00 1.08 1.69 0.08 55.14 Average: all 55.75 0.00 2.08 0.71 0.08 41.37 Average: 0 55.36 0.00 2.13 1.00 0.08 41.42 Average: 1 56.39 0.00 2.06 0.29 0.08 41.18 Average: 2 54.83 0.00 2.21 0.90 0.08 41.98 Average: 3 56.43 0.00 1.93 0.65 0.08 40.90