---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-6832 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: 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 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 668 10336 4 4984 14978 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:b6:55:43 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.191/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84352sec preferred_lft 84352sec inet6 fe80::f816:3eff:feb6:5543/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 4a:38:4b:3b:50:15 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-6832) 02/01/26 _x86_64_ (4 CPU) 22:24:10 LINUX RESTART (4 CPU) 22:30:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:40:05 11.53 1.88 8.96 0.68 124.28 2232.69 2172.72 22:50:05 22.36 0.84 19.22 2.31 28.03 3335.17 3109.99 Average: 16.95 1.36 14.09 1.49 76.15 2783.94 2641.36 22:30:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:40:05 10734920 14089628 1871028 11.43 124876 3371928 2203516 12.65 726788 4546644 23612 22:50:05 8861464 13211544 2740716 16.74 164280 4244280 3126228 17.94 965468 6092452 85424 Average: 9798192 13650586 2305872 14.08 144578 3808104 2664872 15.30 846128 5319548 54518 22:30:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:40:05 lo 0.95 0.95 0.10 0.10 0.00 0.00 0.00 0.00 22:40:05 ens3 68.76 54.50 482.50 13.46 0.00 0.00 0.00 0.00 22:40:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:50:05 lo 1088.11 1088.11 1036.37 1036.37 0.00 0.00 0.00 0.00 22:50:05 ens3 79.31 58.75 363.07 16.62 0.00 0.00 0.00 0.00 22:50:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 544.53 544.53 518.24 518.24 0.00 0.00 0.00 0.00 Average: ens3 74.04 56.62 422.78 15.04 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-6832) 02/01/26 _x86_64_ (4 CPU) 22:24:10 LINUX RESTART (4 CPU) 22:30:05 CPU %user %nice %system %iowait %steal %idle 22:40:05 all 49.77 0.00 1.64 0.28 0.09 48.23 22:40:05 0 51.21 0.00 1.70 0.10 0.10 46.90 22:40:05 1 49.47 0.00 1.59 0.19 0.09 48.65 22:40:05 2 48.38 0.00 1.51 0.32 0.09 49.70 22:40:05 3 50.01 0.00 1.75 0.49 0.10 47.65 22:50:05 all 67.00 0.00 2.49 2.50 0.13 27.88 22:50:05 0 65.22 0.00 2.14 4.50 0.13 28.02 22:50:05 1 66.46 0.00 2.63 3.15 0.13 27.64 22:50:05 2 67.30 0.00 2.58 1.16 0.13 28.84 22:50:05 3 69.02 0.00 2.61 1.19 0.13 27.05 Average: all 58.38 0.00 2.06 1.39 0.11 38.06 Average: 0 58.21 0.00 1.92 2.30 0.11 37.47 Average: 1 57.96 0.00 2.11 1.67 0.11 38.14 Average: 2 57.84 0.00 2.05 0.74 0.11 39.27 Average: 3 59.51 0.00 2.18 0.84 0.11 37.36