---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-7964 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: 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 67G 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 612 9607 4 5769 15034 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:0d:e6:6c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.172/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84265sec preferred_lft 84265sec inet6 fe80::f816:3eff:fe0d:e66c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5a:58:26:f0:31:71 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-7964) 02/05/26 _x86_64_ (4 CPU) 16:39:10 LINUX RESTART (4 CPU) 16:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:50:01 49.51 4.39 41.75 3.37 260.85 5081.43 48061.72 17:00:07 8.56 0.01 7.27 1.28 0.08 645.44 27625.39 17:10:02 35.85 0.43 30.73 4.69 15.84 8235.83 6650.20 Average: 31.22 1.61 26.51 3.10 92.28 4629.42 27524.62 16:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:50:01 10003312 13226156 2733856 16.70 122400 3239068 3019796 17.33 650524 5342492 3808 17:00:07 10280848 13665760 2292972 14.00 132844 3375884 2595532 14.90 685692 5022840 7660 17:10:02 9884588 15433772 514188 3.14 168344 5403256 1089728 6.26 1572732 4428820 28248 Average: 10056249 14108563 1847005 11.28 141196 4006069 2235019 12.83 969649 4931384 13239 16:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:50:01 lo 11.67 11.67 2.64 2.64 0.00 0.00 0.00 0.00 16:50:01 ens3 80.30 61.97 728.62 14.07 0.00 0.00 0.00 0.00 16:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:00:07 lo 54.29 54.29 14.05 14.05 0.00 0.00 0.00 0.00 17:00:07 ens3 5.45 4.92 4.40 1.75 0.00 0.00 0.00 0.00 17:00:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:10:02 lo 2482.72 2482.72 2392.26 2392.26 0.00 0.00 0.00 0.00 17:10:02 ens3 78.26 58.87 472.22 25.61 0.00 0.00 0.00 0.00 17:10:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 841.16 841.16 794.77 794.77 0.00 0.00 0.00 0.00 Average: ens3 54.45 41.75 400.36 13.73 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-7964) 02/05/26 _x86_64_ (4 CPU) 16:39:10 LINUX RESTART (4 CPU) 16:40:00 CPU %user %nice %system %iowait %steal %idle 16:50:01 all 32.80 0.00 1.40 1.23 0.10 64.48 16:50:01 0 31.34 0.00 1.24 0.73 0.10 66.58 16:50:01 1 32.10 0.00 1.84 0.89 0.10 65.07 16:50:01 2 36.29 0.00 1.36 1.52 0.10 60.73 16:50:01 3 31.46 0.00 1.14 1.77 0.11 65.53 17:00:07 all 16.44 0.00 0.86 0.37 0.11 82.21 17:00:07 0 16.70 0.00 0.88 0.80 0.11 81.50 17:00:07 1 16.25 0.00 0.78 0.20 0.11 82.65 17:00:07 2 16.01 0.00 0.88 0.22 0.12 82.77 17:00:07 3 16.78 0.00 0.89 0.27 0.12 81.94 17:10:02 all 51.49 0.00 2.79 1.37 0.13 44.22 17:10:02 0 49.27 0.00 2.64 2.34 0.12 45.64 17:10:02 1 51.85 0.00 2.76 0.80 0.14 44.45 17:10:02 2 52.90 0.00 3.03 1.62 0.12 42.33 17:10:02 3 51.96 0.00 2.75 0.73 0.12 44.45 Average: all 33.43 0.00 1.68 0.99 0.11 63.79 Average: 0 32.30 0.00 1.58 1.28 0.11 64.73 Average: 1 33.26 0.00 1.79 0.63 0.12 64.20 Average: 2 34.92 0.00 1.75 1.11 0.11 62.11 Average: 3 33.26 0.00 1.58 0.92 0.12 64.12