---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-61658 5.15.0-198-generic #208-Ubuntu SMP Fri Sep 4 10:22:38 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 14G 65G 18% / 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 668 7197 4 8123 14977 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:6a:a2:98 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.66/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83712sec preferred_lft 83712sec inet6 fe80::f816:3eff:fe6a:a298/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether de:c2:9e:b6:7f:36 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 inet6 fe80::dcc2:9eff:feb6:7f36/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-198-generic (prd-ubuntu2204-docker-4c-4g-61658) 10/03/26 _x86_64_ (4 CPU) 15:06:14 LINUX RESTART (4 CPU) 15:10:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:20:01 25.75 0.17 22.54 3.05 9.74 2597.00 10651.98 15:30:09 33.05 0.01 29.52 3.52 0.39 2445.15 27379.20 15:40:09 8.34 0.02 7.46 0.86 0.24 2908.32 9696.11 15:50:01 31.83 2.05 28.49 1.28 336.95 10159.51 2151.61 Average: 24.74 0.56 22.00 2.18 85.89 4506.40 12563.89 15:10:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:20:01 9256200 13180528 2775884 16.95 144848 3885100 3431044 19.69 722456 5989484 93476 15:30:09 8516096 12809228 3144064 19.20 166560 4205876 3553404 20.40 834552 6592468 96896 15:40:09 5223776 10172872 5777820 35.29 172952 4832552 5596764 32.13 1045680 9628196 21064 15:50:01 7383412 15341860 593300 3.62 214328 7665400 1229640 7.06 2048784 6311980 400 Average: 7594871 12876122 3072767 18.77 174672 5147232 3452713 19.82 1162868 7130532 52959 15:10:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:20:01 lo 1303.74 1303.74 1237.71 1237.71 0.00 0.00 0.00 0.00 15:20:01 ens3 50.03 40.60 146.95 9.03 0.00 0.00 0.00 0.00 15:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:30:09 lo 1378.60 1378.60 1314.81 1314.81 0.00 0.00 0.00 0.00 15:30:09 ens3 18.37 16.29 14.73 5.40 0.00 0.00 0.00 0.00 15:30:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:40:09 lo 558.25 558.25 7064.82 7064.82 0.00 0.00 0.00 0.00 15:40:09 ens3 8.65 7.29 7.88 2.63 0.00 0.00 0.00 0.00 15:40:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:50:01 lo 2242.66 2242.66 2449.03 2449.03 0.00 0.00 0.00 0.00 15:50:01 ens3 172.23 196.57 379.48 2450.07 0.00 0.00 0.00 0.00 15:50:01 docker0 95.50 80.27 1227.98 10.42 0.00 0.00 0.00 0.00 Average: lo 1367.88 1367.88 3018.93 3018.93 0.00 0.00 0.00 0.00 Average: ens3 61.81 64.62 135.93 610.07 0.00 0.00 0.00 0.00 Average: docker0 23.61 19.85 303.63 2.58 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-198-generic (prd-ubuntu2204-docker-4c-4g-61658) 10/03/26 _x86_64_ (4 CPU) 15:06:14 LINUX RESTART (4 CPU) 15:10:09 CPU %user %nice %system %iowait %steal %idle 15:20:01 all 64.25 0.00 2.69 0.12 0.04 32.90 15:20:01 0 65.75 0.00 3.23 0.08 0.05 30.89 15:20:01 1 63.80 0.00 2.55 0.10 0.04 33.52 15:20:01 2 64.26 0.00 2.49 0.15 0.04 33.06 15:20:01 3 63.20 0.00 2.49 0.16 0.03 34.11 15:30:09 all 58.32 0.00 2.73 0.15 0.03 38.76 15:30:09 0 59.00 0.00 2.54 0.11 0.04 38.30 15:30:09 1 58.08 0.00 3.18 0.19 0.04 38.51 15:30:09 2 59.78 0.00 2.55 0.09 0.04 37.54 15:30:09 3 56.42 0.00 2.66 0.21 0.02 40.69 15:40:09 all 32.98 0.00 1.28 0.12 0.03 65.59 15:40:09 0 26.18 0.00 1.25 0.03 0.02 72.51 15:40:09 1 27.45 0.00 1.51 0.26 0.02 70.77 15:40:09 2 39.31 0.00 1.14 0.11 0.04 59.39 15:40:09 3 38.98 0.00 1.23 0.09 0.04 59.67 15:50:01 all 27.58 0.00 2.49 0.50 0.02 69.41 15:50:01 0 18.00 0.00 1.79 0.16 0.01 80.04 15:50:01 1 33.27 0.00 3.04 0.32 0.03 63.34 15:50:01 2 30.27 0.00 2.15 0.63 0.02 66.93 15:50:01 3 28.79 0.00 2.99 0.89 0.02 67.31 Average: all 45.81 0.00 2.30 0.22 0.03 51.63 Average: 0 42.27 0.00 2.20 0.10 0.03 55.41 Average: 1 45.67 0.00 2.57 0.22 0.03 51.51 Average: 2 48.43 0.00 2.08 0.24 0.03 49.21 Average: 3 46.89 0.00 2.34 0.34 0.03 50.41