---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-32646 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: 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 17G 62G 21% / 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 735 11699 4 3554 14911 Swap: 1023 1 1022 ---> 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:41:8f:ce brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.154/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80631sec preferred_lft 80631sec inet6 fe80::f816:3eff:fe41:8fce/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0a:5d:c3:ee:33:eb 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 inet6 fe80::85d:c3ff:feee:33eb/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-16g-32646) 07/03/26 _x86_64_ (4 CPU) 12:41:23 LINUX RESTART (4 CPU) 12:50:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:00:05 56.28 25.18 29.47 1.63 350.39 1679.40 1688.76 13:10:01 30.91 4.43 25.15 1.33 69.51 854.61 1166.36 13:20:06 9.47 0.27 8.81 0.39 13.46 262.98 178.01 13:30:06 4.55 0.08 4.29 0.17 3.64 113.43 75.51 13:40:01 5.64 0.25 5.20 0.18 8.56 133.40 63.50 13:50:06 4.49 0.02 4.31 0.16 0.91 135.36 63.69 14:00:06 8.62 0.01 8.31 0.30 0.60 510.41 91.99 14:10:01 7.77 0.04 7.42 0.32 0.98 262.97 227.59 Average: 15.95 3.78 11.61 0.56 55.95 493.54 443.53 12:50:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:00:05 168404 2855768 13079840 79.89 251044 2485524 14211128 81.57 1932440 13754984 184 13:10:01 6691212 9416948 6523392 39.84 257252 2522020 7238044 41.55 1986136 7196784 5712 13:20:06 8536712 11296376 4646140 28.38 258680 2554536 5390140 30.94 1994888 5358324 392 13:30:06 8652496 11426596 4515904 27.58 259352 2568324 5304516 30.45 1997228 5236196 496 13:40:01 7124548 9915796 6025780 36.80 260644 2584132 6837176 39.25 2001060 6757212 448 13:50:06 7119004 9926620 6014988 36.74 261192 2599952 6833360 39.22 2004640 6748464 384 14:00:06 9799252 12721288 3222136 19.68 264500 2706020 4305208 24.71 2012320 4078340 788 14:10:01 8217372 11180524 4762040 29.08 265428 2745996 5780824 33.18 2031416 5637324 452 Average: 7038625 9842490 6098778 37.25 259762 2595813 6987550 40.11 1995016 6845954 1107 12:50:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:00:05 lo 29.91 29.91 20.34 20.34 0.00 0.00 0.00 0.00 13:00:05 ens3 1.79 1.52 0.41 0.35 0.00 0.00 0.00 0.00 13:00:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:10:01 lo 40.57 40.57 15.59 15.59 0.00 0.00 0.00 0.00 13:10:01 ens3 1.82 1.79 0.45 1.08 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 13:20:06 lo 22.27 22.27 11.41 11.41 0.00 0.00 0.00 0.00 13:20:06 ens3 1.07 1.03 0.22 0.51 0.00 0.00 0.00 0.00 13:20:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:30:06 lo 24.59 24.59 9.08 9.08 0.00 0.00 0.00 0.00 13:30:06 ens3 0.60 0.45 0.12 0.09 0.00 0.00 0.00 0.00 13:30:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:40:01 lo 18.16 18.16 8.54 8.54 0.00 0.00 0.00 0.00 13:40:01 ens3 0.63 0.49 0.15 0.10 0.00 0.00 0.00 0.00 13:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:50:06 lo 13.97 13.97 7.71 7.71 0.00 0.00 0.00 0.00 13:50:06 ens3 0.56 0.39 0.11 0.08 0.00 0.00 0.00 0.00 13:50:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:00:06 lo 14.52 14.52 7.89 7.89 0.00 0.00 0.00 0.00 14:00:06 ens3 0.90 0.73 0.27 0.22 0.00 0.00 0.00 0.00 14:00:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:10:01 lo 23.27 23.27 10.98 10.98 0.00 0.00 0.00 0.00 14:10:01 ens3 0.80 0.74 0.17 0.14 0.00 0.00 0.00 0.00 14:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 23.39 23.39 11.44 11.44 0.00 0.00 0.00 0.00 Average: ens3 1.02 0.89 0.24 0.32 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-16g-32646) 07/03/26 _x86_64_ (4 CPU) 12:41:23 LINUX RESTART (4 CPU) 12:50:06 CPU %user %nice %system %iowait %steal %idle 13:00:05 all 55.62 0.00 2.29 0.14 0.10 41.86 13:00:05 0 56.06 0.00 2.21 0.14 0.10 41.50 13:00:05 1 55.63 0.00 2.42 0.11 0.10 41.74 13:00:05 2 55.00 0.00 2.24 0.17 0.10 42.49 13:00:05 3 55.78 0.00 2.29 0.12 0.10 41.70 13:10:01 all 46.48 0.00 1.72 0.10 0.10 51.60 13:10:01 0 46.05 0.00 1.77 0.06 0.10 52.02 13:10:01 1 46.65 0.00 1.69 0.11 0.10 51.45 13:10:01 2 46.24 0.00 1.78 0.10 0.10 51.78 13:10:01 3 47.00 0.00 1.63 0.11 0.10 51.16 13:20:06 all 19.38 0.00 0.77 0.03 0.08 79.73 13:20:06 0 19.43 0.00 0.75 0.03 0.07 79.72 13:20:06 1 19.47 0.00 0.84 0.03 0.08 79.57 13:20:06 2 19.11 0.00 0.76 0.02 0.08 80.03 13:20:06 3 19.52 0.00 0.74 0.05 0.08 79.61 13:30:06 all 8.65 0.00 0.46 0.03 0.07 90.79 13:30:06 0 8.46 0.00 0.44 0.01 0.06 91.02 13:30:06 1 8.48 0.00 0.44 0.03 0.07 90.99 13:30:06 2 8.77 0.00 0.44 0.01 0.07 90.72 13:30:06 3 8.91 0.00 0.51 0.07 0.07 90.44 13:40:01 all 10.19 0.00 0.46 0.43 0.07 88.85 13:40:01 0 10.23 0.00 0.44 0.16 0.06 89.11 13:40:01 1 10.28 0.00 0.48 0.42 0.07 88.74 13:40:01 2 10.42 0.00 0.51 0.34 0.07 88.66 13:40:01 3 9.81 0.00 0.42 0.81 0.07 88.89 13:50:06 all 9.79 0.00 0.44 0.03 0.06 89.67 13:50:06 0 9.41 0.00 0.41 0.03 0.06 90.09 13:50:06 1 9.72 0.00 0.45 0.03 0.06 89.74 13:50:06 2 10.17 0.00 0.42 0.01 0.06 89.33 13:50:06 3 9.87 0.00 0.49 0.03 0.07 89.54 14:00:06 all 11.62 0.00 0.54 0.06 0.06 87.71 14:00:06 0 11.54 0.00 0.47 0.02 0.06 87.91 14:00:06 1 11.51 0.00 0.59 0.13 0.07 87.71 14:00:06 2 11.93 0.00 0.62 0.04 0.06 87.35 14:00:06 3 11.52 0.00 0.48 0.05 0.07 87.88 14:10:01 all 16.20 0.00 0.68 0.03 0.07 83.03 14:10:01 0 16.49 0.00 0.66 0.02 0.06 82.77 14:10:01 1 15.62 0.00 0.69 0.06 0.07 83.57 14:10:01 2 16.45 0.00 0.68 0.01 0.07 82.79 14:10:01 3 16.23 0.00 0.68 0.02 0.07 83.00 Average: all 22.19 0.00 0.92 0.10 0.08 76.71 Average: 0 22.15 0.00 0.89 0.06 0.07 76.83 Average: 1 22.12 0.00 0.95 0.11 0.08 76.74 Average: 2 22.20 0.00 0.93 0.09 0.08 76.71 Average: 3 22.28 0.00 0.90 0.16 0.08 76.58