---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-2927 5.15.0-190-generic #200-Ubuntu SMP Fri Aug 7 15:06:04 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 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 12G 66G 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 751 9246 4 5991 14894 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:fc:62:1e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.57/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84124sec preferred_lft 84124sec inet6 fe80::f816:3eff:fefc:621e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2a:61:c3:51:03:d9 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 5.15.0-190-generic (prd-ubuntu2204-docker-4c-4g-2927) 09/07/26 _x86_64_ (4 CPU) 12:35:34 LINUX RESTART (4 CPU) 12:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:50:24 36.72 0.80 21.01 14.91 50.96 4416.22 259352.88 13:00:15 31.03 0.07 27.88 3.07 1.90 6164.51 20522.85 13:10:01 14.38 0.16 12.16 2.05 10.68 2499.14 93123.35 Average: 27.59 0.36 20.39 6.84 21.76 4366.64 126933.35 12:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:50:24 8632556 12853644 3099216 18.93 160832 4132208 3329884 19.11 774120 6519216 179824 13:00:15 7786704 13317228 2629420 16.06 188708 5345296 2844060 16.32 1057088 7010716 30068 13:10:01 9590856 15363128 581028 3.55 203584 5538232 1142804 6.56 953480 5257372 200 Average: 8670039 13844667 2103221 12.85 184375 5005245 2438916 14.00 928229 6262435 70031 12:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:50:24 lo 841.72 841.72 801.99 801.99 0.00 0.00 0.00 0.00 12:50:24 ens3 80.19 59.40 650.17 10.42 0.00 0.00 0.00 0.00 12:50:24 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:15 lo 1366.90 1366.90 1302.81 1302.81 0.00 0.00 0.00 0.00 13:00:15 ens3 46.27 39.20 256.33 8.61 0.00 0.00 0.00 0.00 13:00:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:10:01 lo 8.64 8.64 0.88 0.88 0.00 0.00 0.00 0.00 13:10:01 ens3 43.71 46.25 18.05 185.96 0.00 0.00 0.00 0.00 13:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 743.21 743.21 705.88 705.88 0.00 0.00 0.00 0.00 Average: ens3 57.20 48.49 315.41 66.90 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 5.15.0-190-generic (prd-ubuntu2204-docker-4c-4g-2927) 09/07/26 _x86_64_ (4 CPU) 12:35:34 LINUX RESTART (4 CPU) 12:40:00 CPU %user %nice %system %iowait %steal %idle 12:50:24 all 53.53 0.00 2.12 0.17 0.03 44.15 12:50:24 0 53.65 0.00 2.02 0.16 0.03 44.14 12:50:24 1 55.07 0.00 1.98 0.15 0.03 42.77 12:50:24 2 52.90 0.00 2.07 0.15 0.03 44.84 12:50:24 3 52.49 0.00 2.39 0.22 0.04 44.86 13:00:15 all 53.05 0.00 2.47 0.09 0.03 44.36 13:00:15 0 53.03 0.00 2.33 0.12 0.03 44.49 13:00:15 1 53.48 0.00 2.40 0.13 0.03 43.96 13:00:15 2 52.78 0.00 2.51 0.07 0.03 44.61 13:00:15 3 52.92 0.00 2.62 0.05 0.03 44.38 13:10:01 all 30.48 0.00 1.01 0.06 0.03 68.42 13:10:01 0 27.77 0.00 1.02 0.11 0.03 71.07 13:10:01 1 33.88 0.00 1.13 0.04 0.02 64.93 13:10:01 2 28.55 0.00 0.90 0.04 0.03 70.49 13:10:01 3 31.72 0.00 1.00 0.04 0.03 67.20 Average: all 45.87 0.00 1.87 0.11 0.03 52.12 Average: 0 45.01 0.00 1.80 0.13 0.03 53.03 Average: 1 47.66 0.00 1.84 0.11 0.03 50.37 Average: 2 44.94 0.00 1.84 0.09 0.03 53.11 Average: 3 45.87 0.00 2.02 0.11 0.03 51.98