---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-9814 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 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 675 8582 4 6731 14971 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:b7:72:05 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.23/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84104sec preferred_lft 84104sec inet6 fe80::f816:3eff:feb7:7205/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether da:50:b3:58:fe:a8 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-9814) 02/12/26 _x86_64_ (4 CPU) 15:09:58 LINUX RESTART (4 CPU) 15:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:20:00 65.93 16.87 46.62 2.44 2218.89 14661.14 13811.74 15:30:00 35.02 11.92 20.54 2.56 137.41 2152.19 12814.48 15:40:06 28.24 0.03 25.41 2.80 0.50 4334.78 22850.43 Average: 42.99 9.57 30.82 2.60 781.45 7032.19 16516.18 15:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:20:00 10362124 13747536 2213560 13.52 122004 3421388 2343188 13.45 762156 4902220 20228 15:30:00 8688768 12589076 3366996 20.56 147228 3854952 3364240 19.31 946108 6315084 31320 15:40:06 5621212 10551720 5399788 32.98 161916 4825280 5290752 30.37 1242512 9024008 316 Average: 8224035 12296111 3660115 22.35 143716 4033873 3666060 21.04 983592 6747104 17288 15:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:20:00 lo 791.85 791.85 754.33 754.33 0.00 0.00 0.00 0.00 15:20:00 ens3 167.44 127.42 1367.69 23.85 0.00 0.00 0.00 0.00 15:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:30:00 lo 1215.95 1215.95 1151.43 1151.43 0.00 0.00 0.00 0.00 15:30:00 ens3 42.91 33.69 26.06 11.34 0.00 0.00 0.00 0.00 15:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:40:06 lo 1145.19 1145.19 1131.12 1131.12 0.00 0.00 0.00 0.00 15:40:06 ens3 35.89 29.35 28.64 11.01 0.00 0.00 0.00 0.00 15:40:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1051.59 1051.59 1012.96 1012.96 0.00 0.00 0.00 0.00 Average: ens3 81.84 63.30 471.69 15.38 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-9814) 02/12/26 _x86_64_ (4 CPU) 15:09:58 LINUX RESTART (4 CPU) 15:10:01 CPU %user %nice %system %iowait %steal %idle 15:20:00 all 31.52 0.00 1.84 1.84 0.07 64.73 15:20:00 0 31.25 0.00 1.68 0.70 0.07 66.30 15:20:00 1 31.65 0.00 1.89 2.15 0.07 64.24 15:20:00 2 30.35 0.00 2.04 3.31 0.08 64.22 15:20:00 3 32.82 0.00 1.73 1.21 0.08 64.16 15:30:00 all 64.74 0.08 2.34 0.29 0.15 32.40 15:30:00 0 63.67 0.05 2.41 0.43 0.15 33.28 15:30:00 1 64.72 0.00 2.38 0.16 0.15 32.58 15:30:00 2 65.31 0.03 2.21 0.30 0.16 31.99 15:30:00 3 65.26 0.23 2.36 0.27 0.14 31.74 15:40:06 all 54.14 0.00 2.28 1.01 0.12 42.45 15:40:06 0 51.09 0.00 1.93 0.87 0.11 46.00 15:40:06 1 56.49 0.00 2.39 1.21 0.13 39.78 15:40:06 2 51.40 0.00 2.10 0.61 0.12 45.76 15:40:06 3 57.59 0.00 2.68 1.33 0.13 38.27 Average: all 50.16 0.03 2.15 1.05 0.12 46.51 Average: 0 48.69 0.02 2.01 0.67 0.11 48.51 Average: 1 50.98 0.00 2.22 1.17 0.12 45.51 Average: 2 49.03 0.01 2.12 1.40 0.12 47.32 Average: 3 51.93 0.08 2.26 0.94 0.12 44.69