---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-7440 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 11G 68G 14% / 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 684 10313 4 4991 14962 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:f4:00:9a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.137/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83276sec preferred_lft 83276sec inet6 fe80::f816:3eff:fef4:9a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 32:16:84:e1:52:bb 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-7440) 02/03/26 _x86_64_ (4 CPU) 15:02:20 LINUX RESTART (4 CPU) 15:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:20:02 1.35 0.01 1.33 0.01 0.05 16.70 0.98 15:30:02 47.76 2.18 32.18 13.40 127.87 1795.31 243592.47 15:40:01 14.55 2.01 11.61 0.93 131.06 3020.45 2468.92 15:50:02 34.20 0.92 29.11 4.16 30.09 4554.28 12899.00 Average: 24.46 1.28 18.56 4.62 72.16 2345.95 64701.36 15:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:20:02 13415756 15497092 517192 3.16 58860 2246636 1140100 6.54 396884 2296344 272 15:30:02 12874672 15525724 450488 2.75 101008 2741348 984744 5.65 538724 2632744 112028 15:40:01 10065528 13556136 2403172 14.68 134380 3485736 2686980 15.42 764748 5153652 34592 15:50:02 10648460 15398824 552240 3.37 172008 4614068 1106088 6.35 1108072 4133412 73204 Average: 11751104 14994444 980773 5.99 116564 3271947 1479478 8.49 702107 3554038 55024 15:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:20:02 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 15:20:02 ens3 0.29 0.08 0.06 0.02 0.00 0.00 0.00 0.00 15:20:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:30:02 lo 0.27 0.27 0.04 0.04 0.00 0.00 0.00 0.00 15:30:02 ens3 40.37 28.67 261.26 6.80 0.00 0.00 0.00 0.00 15:30:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:40:01 lo 1.20 1.20 0.12 0.12 0.00 0.00 0.00 0.00 15:40:01 ens3 94.43 75.47 597.47 19.06 0.00 0.00 0.00 0.00 15:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:50:02 lo 1449.54 1449.54 1380.68 1380.68 0.00 0.00 0.00 0.00 15:50:02 ens3 80.96 62.73 423.27 17.92 0.00 0.00 0.00 0.00 15:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 363.36 363.36 345.77 345.77 0.00 0.00 0.00 0.00 Average: ens3 53.96 41.70 320.19 10.94 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-7440) 02/03/26 _x86_64_ (4 CPU) 15:02:20 LINUX RESTART (4 CPU) 15:10:01 CPU %user %nice %system %iowait %steal %idle 15:20:02 all 0.14 0.00 0.03 0.01 0.02 99.80 15:20:02 0 0.01 0.00 0.01 0.00 0.00 99.97 15:20:02 1 0.04 0.00 0.03 0.00 0.02 99.91 15:20:02 2 0.03 0.00 0.03 0.01 0.02 99.92 15:20:02 3 0.48 0.00 0.03 0.04 0.02 99.42 15:30:02 all 2.46 0.00 0.31 0.26 0.02 96.94 15:30:02 0 3.89 0.00 0.35 0.18 0.01 95.57 15:30:02 1 1.26 0.00 0.26 0.19 0.04 98.25 15:30:02 2 2.85 0.00 0.41 0.60 0.02 96.12 15:30:02 3 1.85 0.00 0.23 0.07 0.03 97.83 15:40:01 all 61.90 0.00 2.02 0.07 0.09 35.91 15:40:01 0 60.50 0.00 2.12 0.08 0.10 37.20 15:40:01 1 61.67 0.00 2.14 0.13 0.09 35.97 15:40:01 2 63.36 0.00 1.70 0.04 0.09 34.81 15:40:01 3 62.09 0.00 2.13 0.05 0.10 35.64 15:50:02 all 66.49 0.00 2.75 0.46 0.11 30.18 15:50:02 0 65.07 0.00 2.89 0.74 0.11 31.19 15:50:02 1 66.63 0.00 2.51 0.41 0.11 30.34 15:50:02 2 64.95 0.00 2.69 0.40 0.11 31.85 15:50:02 3 69.30 0.00 2.92 0.31 0.11 27.36 Average: all 32.68 0.00 1.28 0.20 0.06 65.78 Average: 0 32.30 0.00 1.34 0.25 0.06 66.05 Average: 1 32.34 0.00 1.24 0.18 0.07 66.18 Average: 2 32.72 0.00 1.21 0.26 0.06 65.75 Average: 3 33.36 0.00 1.32 0.12 0.06 65.13