---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-30837 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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: 5599.86 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 65G 17% / 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 670 8079 4 7239 14976 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:92:0d:c2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.195/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83601sec preferred_lft 83601sec inet6 fe80::f816:3eff:fe92:dc2/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 46:f2:da:17:16:8e 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-30837) 06/26/26 _x86_64_ (4 CPU) 12:33:58 LINUX RESTART (4 CPU) 12:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:50:04 26.22 2.95 21.22 2.05 160.60 3514.15 4179.35 13:00:28 25.93 0.01 22.98 2.94 0.14 2125.46 11190.08 13:10:01 22.31 0.03 20.29 1.99 0.38 3784.46 7698.90 13:20:07 14.31 0.32 12.22 1.77 14.18 7389.16 51005.59 Average: 22.21 0.83 19.19 2.20 43.95 4193.42 18621.86 12:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:50:04 10003440 13707804 2250480 13.75 139060 3689360 2432960 13.97 785152 5182536 30840 13:00:28 9171464 13266388 2688880 16.42 154916 4033296 2688160 15.43 898356 5870856 23688 13:10:01 7601048 12585020 3366572 20.56 167320 4872392 3215292 18.46 1146340 7145804 1596 13:20:07 8316848 15371912 572012 3.49 184252 6859704 1062260 6.10 1904400 5593640 12024 Average: 8773200 13732781 2219486 13.56 161387 4863688 2349668 13.49 1183562 5948209 17037 12:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:50:04 lo 1111.29 1111.29 1053.28 1053.28 0.00 0.00 0.00 0.00 12:50:04 ens3 117.21 89.69 971.40 17.19 0.00 0.00 0.00 0.00 12:50:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:28 lo 1289.28 1289.28 1228.36 1228.36 0.00 0.00 0.00 0.00 13:00:28 ens3 42.50 33.63 20.18 11.50 0.00 0.00 0.00 0.00 13:00:28 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:10:01 lo 794.24 794.24 748.61 748.61 0.00 0.00 0.00 0.00 13:10:01 ens3 32.75 25.16 21.70 8.67 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 13:20:07 lo 2539.66 2539.66 9208.95 9208.95 0.00 0.00 0.00 0.00 13:20:07 ens3 99.58 110.73 151.15 1241.45 0.00 0.00 0.00 0.00 13:20:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1441.45 1441.45 3078.73 3078.73 0.00 0.00 0.00 0.00 Average: ens3 73.27 65.07 291.93 321.80 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-30837) 06/26/26 _x86_64_ (4 CPU) 12:33:58 LINUX RESTART (4 CPU) 12:40:01 CPU %user %nice %system %iowait %steal %idle 12:50:04 all 45.33 0.00 1.89 0.07 0.06 52.65 12:50:04 0 44.19 0.00 1.74 0.06 0.07 53.94 12:50:04 1 45.23 0.00 2.00 0.07 0.06 52.62 12:50:04 2 45.44 0.00 1.61 0.05 0.06 52.83 12:50:04 3 46.46 0.00 2.20 0.08 0.06 51.19 13:00:28 all 65.70 0.00 2.32 0.05 0.09 31.84 13:00:28 0 65.30 0.00 2.06 0.03 0.09 32.52 13:00:28 1 66.72 0.00 2.39 0.07 0.09 30.73 13:00:28 2 64.75 0.00 2.36 0.05 0.09 32.75 13:00:28 3 66.02 0.00 2.49 0.05 0.08 31.36 13:10:01 all 39.09 0.00 1.67 0.46 0.08 58.69 13:10:01 0 39.47 0.00 1.64 0.40 0.07 58.42 13:10:01 1 38.53 0.00 1.74 0.05 0.08 59.59 13:10:01 2 40.96 0.00 1.65 0.31 0.08 56.99 13:10:01 3 37.39 0.00 1.66 1.09 0.08 59.77 13:20:07 all 35.99 0.00 1.41 0.15 0.07 62.38 13:20:07 0 30.10 0.00 1.44 0.26 0.08 68.13 13:20:07 1 40.97 0.00 1.80 0.16 0.07 57.00 13:20:07 2 36.12 0.00 1.22 0.12 0.08 62.45 13:20:07 3 36.80 0.00 1.18 0.05 0.06 61.91 Average: all 46.77 0.00 1.83 0.18 0.08 51.14 Average: 0 44.98 0.00 1.72 0.18 0.08 53.04 Average: 1 48.13 0.00 1.99 0.09 0.08 49.71 Average: 2 47.04 0.00 1.72 0.13 0.08 51.03 Average: 3 46.95 0.00 1.89 0.31 0.07 50.79