---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-7390 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 66G 16% / 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 622 9059 4 6307 15024 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:ef:38:b7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.206/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84416sec preferred_lft 84416sec inet6 fe80::f816:3eff:feef:38b7/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7a:ce:14:ef:bc:60 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-7390) 02/03/26 _x86_64_ (4 CPU) 10:37:29 LINUX RESTART (4 CPU) 10:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:50:00 21.72 3.17 16.70 1.84 368.80 3032.85 7481.56 11:00:00 25.53 0.03 22.50 3.00 0.45 2138.96 17121.65 11:10:00 31.75 0.19 28.21 3.34 12.40 9122.40 13141.39 Average: 26.33 1.13 22.47 2.73 127.22 4764.74 12581.53 10:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:50:00 10375724 13566380 2394988 14.63 124068 3219680 2598124 14.91 655712 4967084 12088 11:00:00 9237268 12849000 3108540 18.99 142480 3586096 3392456 19.47 780248 5964720 29076 11:10:00 9303520 15403944 544176 3.32 169284 5963088 1064084 6.11 1633840 4938956 10940 Average: 9638837 13939775 2015901 12.31 145277 4256288 2351555 13.50 1023267 5290253 17368 10:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:50:00 lo 887.13 887.13 842.98 842.98 0.00 0.00 0.00 0.00 10:50:00 ens3 100.99 75.94 851.96 15.41 0.00 0.00 0.00 0.00 10:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:00:00 lo 1165.47 1165.47 1104.76 1104.76 0.00 0.00 0.00 0.00 11:00:00 ens3 42.02 35.25 22.81 13.08 0.00 0.00 0.00 0.00 11:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:00 lo 765.88 765.88 717.77 717.77 0.00 0.00 0.00 0.00 11:10:00 ens3 113.44 115.00 168.44 1056.81 0.00 0.00 0.00 0.00 11:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 939.49 939.49 888.50 888.50 0.00 0.00 0.00 0.00 Average: ens3 85.48 75.40 347.74 361.77 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-7390) 02/03/26 _x86_64_ (4 CPU) 10:37:29 LINUX RESTART (4 CPU) 10:40:00 CPU %user %nice %system %iowait %steal %idle 10:50:00 all 35.00 0.00 1.47 0.07 0.07 63.39 10:50:00 0 35.84 0.00 1.31 0.07 0.07 62.71 10:50:00 1 35.60 0.00 1.74 0.07 0.07 62.53 10:50:00 2 33.71 0.00 1.49 0.09 0.07 64.63 10:50:00 3 34.85 0.00 1.34 0.06 0.07 63.68 11:00:00 all 63.95 0.00 2.37 0.48 0.11 33.09 11:00:00 0 64.62 0.00 2.25 0.09 0.11 32.92 11:00:00 1 63.08 0.00 2.20 0.04 0.11 34.57 11:00:00 2 65.47 0.00 2.55 0.09 0.11 31.79 11:00:00 3 62.63 0.00 2.49 1.68 0.12 33.09 11:10:00 all 40.64 0.00 1.89 0.16 0.09 57.22 11:10:00 0 35.03 0.00 1.73 0.34 0.08 62.81 11:10:00 1 41.27 0.00 2.17 0.04 0.09 56.44 11:10:00 2 41.48 0.00 1.79 0.13 0.09 56.51 11:10:00 3 44.81 0.00 1.89 0.14 0.09 53.08 Average: all 46.52 0.00 1.91 0.24 0.09 51.24 Average: 0 45.14 0.00 1.77 0.17 0.09 52.84 Average: 1 46.64 0.00 2.03 0.05 0.09 51.19 Average: 2 46.88 0.00 1.94 0.10 0.09 50.98 Average: 3 47.42 0.00 1.91 0.63 0.09 49.95