---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-9743 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 18G 60G 23% / 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 713 10599 4 4676 14933 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:c5:5d:cd brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.104/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79356sec preferred_lft 79356sec inet6 fe80::f816:3eff:fec5:5dcd/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 12:59:6b:4c:ae:c0 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-16g-9743) 02/12/26 _x86_64_ (4 CPU) 12:51:38 LINUX RESTART (4 CPU) 13:00:16 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:10:16 82.55 23.48 55.87 3.20 326.07 6057.23 4277.73 13:20:01 15.07 0.12 14.20 0.76 5.00 374.31 1449.11 13:30:11 7.40 0.05 6.98 0.37 2.30 248.51 817.79 13:40:16 15.27 0.07 14.52 0.69 6.01 688.00 1354.09 13:50:01 14.54 0.02 13.83 0.70 0.81 451.40 394.43 14:00:00 5.48 0.02 5.26 0.21 0.41 145.14 59.55 14:10:00 5.29 0.01 5.08 0.20 1.05 154.17 67.07 14:20:01 5.42 0.01 5.24 0.16 0.45 155.57 63.42 14:30:16 5.41 0.00 5.24 0.17 0.13 150.73 47.46 14:40:16 9.65 0.03 9.23 0.39 0.73 564.84 219.29 Average: 16.57 2.38 13.51 0.68 34.29 898.35 873.10 13:00:16 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:10:16 2822820 6334044 9596592 58.61 268712 3204060 10821488 62.12 2135712 10807288 780 13:20:01 3335432 6870368 9060400 55.34 270672 3225856 9661704 55.46 2169796 10246888 364 13:30:11 6094988 9653376 6278628 38.35 271580 3248412 6973544 40.03 2176040 7512628 484 13:40:16 9821196 13508628 2427124 14.82 276864 3372092 3094868 17.76 2215024 3754960 40 13:50:01 7580752 11331932 4602492 28.11 278948 3433760 5303876 30.44 2219720 5984980 332 14:00:00 7616996 11386284 4548216 27.78 279560 3451256 5247936 30.12 2221012 5951592 208 14:10:00 6023992 9814228 6119304 37.37 279996 3471764 6842276 39.27 2222956 7541712 500 14:20:01 5905964 9717496 6215940 37.96 280588 3492472 6938584 39.83 2226180 7652644 216 14:30:16 7747012 11580584 4353832 26.59 281252 3513852 5122576 29.40 2228428 5813604 44 14:40:16 7311004 11272064 4662096 28.47 285108 3632476 5230704 30.02 2242920 6220192 428 Average: 6426016 10146900 5786462 35.34 277328 3404600 6523756 37.45 2205779 7148649 340 13:00:16 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:10:16 lo 25.01 25.01 19.74 19.74 0.00 0.00 0.00 0.00 13:10:16 ens3 2.26 2.50 0.65 1.57 0.00 0.00 0.00 0.00 13:10:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:20:01 lo 45.98 45.98 18.97 18.97 0.00 0.00 0.00 0.00 13:20:01 ens3 1.59 1.45 0.31 0.27 0.00 0.00 0.00 0.00 13:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:30:11 lo 18.01 18.01 8.65 8.65 0.00 0.00 0.00 0.00 13:30:11 ens3 0.63 0.34 0.10 0.06 0.00 0.00 0.00 0.00 13:30:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:40:16 lo 7.44 7.44 3.97 3.97 0.00 0.00 0.00 0.00 13:40:16 ens3 1.10 0.79 0.33 0.25 0.00 0.00 0.00 0.00 13:40:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:50:01 lo 19.69 19.69 10.23 10.23 0.00 0.00 0.00 0.00 13:50:01 ens3 1.02 0.74 0.27 0.20 0.00 0.00 0.00 0.00 13:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:00:00 lo 21.90 21.90 8.95 8.95 0.00 0.00 0.00 0.00 14:00:00 ens3 0.80 0.55 0.20 0.14 0.00 0.00 0.00 0.00 14:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:10:00 lo 26.53 26.53 11.48 11.48 0.00 0.00 0.00 0.00 14:10:00 ens3 1.01 0.55 0.29 0.21 0.00 0.00 0.00 0.00 14:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:20:01 lo 16.52 16.52 10.02 10.02 0.00 0.00 0.00 0.00 14:20:01 ens3 0.71 0.63 0.14 0.11 0.00 0.00 0.00 0.00 14:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:30:16 lo 8.08 8.08 4.03 4.03 0.00 0.00 0.00 0.00 14:30:16 ens3 0.60 0.38 0.15 0.10 0.00 0.00 0.00 0.00 14:30:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:40:16 lo 22.77 22.77 10.80 10.80 0.00 0.00 0.00 0.00 14:40:16 ens3 1.06 0.87 0.30 0.24 0.00 0.00 0.00 0.00 14:40:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 21.09 21.09 10.64 10.64 0.00 0.00 0.00 0.00 Average: ens3 1.07 0.88 0.27 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-16g-9743) 02/12/26 _x86_64_ (4 CPU) 12:51:38 LINUX RESTART (4 CPU) 13:00:16 CPU %user %nice %system %iowait %steal %idle 13:10:16 all 60.29 0.00 2.54 0.15 0.12 36.90 13:10:16 0 59.93 0.00 2.57 0.18 0.12 37.21 13:10:16 1 60.80 0.00 2.61 0.14 0.11 36.34 13:10:16 2 60.28 0.00 2.53 0.11 0.12 36.96 13:10:16 3 60.16 0.00 2.48 0.16 0.11 37.09 13:20:01 all 34.11 0.00 1.48 0.04 0.11 64.27 13:20:01 0 33.71 0.00 1.55 0.04 0.10 64.59 13:20:01 1 34.02 0.00 1.41 0.03 0.11 64.43 13:20:01 2 34.41 0.00 1.48 0.04 0.11 63.97 13:20:01 3 34.28 0.00 1.50 0.04 0.11 64.08 13:30:11 all 16.44 0.00 0.71 0.03 0.09 82.73 13:30:11 0 16.19 0.00 0.69 0.01 0.09 83.02 13:30:11 1 17.07 0.00 0.74 0.05 0.09 82.05 13:30:11 2 16.51 0.00 0.74 0.02 0.09 82.64 13:30:11 3 15.99 0.00 0.66 0.02 0.09 83.23 13:40:16 all 20.87 0.00 0.78 0.05 0.09 78.21 13:40:16 0 20.25 0.00 0.81 0.05 0.08 78.81 13:40:16 1 21.97 0.00 0.82 0.03 0.09 77.08 13:40:16 2 21.08 0.00 0.74 0.03 0.09 78.06 13:40:16 3 20.19 0.00 0.74 0.09 0.09 78.90 13:50:01 all 26.55 0.00 0.92 0.04 0.10 72.39 13:50:01 0 26.59 0.00 0.92 0.02 0.10 72.38 13:50:01 1 26.38 0.00 0.99 0.07 0.09 72.46 13:50:01 2 27.08 0.00 0.85 0.03 0.10 71.95 13:50:01 3 26.17 0.00 0.93 0.03 0.09 72.78 14:00:00 all 8.47 0.00 0.44 0.02 0.09 90.99 14:00:00 0 8.29 0.00 0.42 0.00 0.08 91.20 14:00:00 1 8.29 0.00 0.42 0.01 0.09 91.20 14:00:00 2 8.71 0.00 0.46 0.05 0.09 90.68 14:00:00 3 8.57 0.00 0.45 0.02 0.08 90.87 14:10:00 all 10.47 0.00 0.49 0.02 0.09 88.94 14:10:00 0 10.37 0.00 0.45 0.01 0.08 89.08 14:10:00 1 10.87 0.00 0.48 0.01 0.09 88.55 14:10:00 2 10.71 0.00 0.53 0.03 0.09 88.64 14:10:00 3 9.93 0.00 0.48 0.02 0.09 89.48 14:20:01 all 9.62 0.00 0.42 0.02 0.08 89.86 14:20:01 0 9.77 0.00 0.39 0.02 0.08 89.74 14:20:01 1 9.62 0.00 0.35 0.02 0.08 89.92 14:20:01 2 9.45 0.00 0.46 0.01 0.09 89.98 14:20:01 3 9.61 0.00 0.47 0.02 0.09 89.81 14:30:16 all 6.78 0.00 0.42 0.02 0.08 92.70 14:30:16 0 7.03 0.00 0.35 0.01 0.08 92.53 14:30:16 1 6.16 0.00 0.42 0.03 0.08 93.30 14:30:16 2 6.98 0.00 0.50 0.00 0.09 92.43 14:30:16 3 6.96 0.00 0.40 0.03 0.07 92.54 14:40:16 all 14.25 0.00 0.64 0.03 0.09 84.98 14:40:16 0 14.88 0.00 0.71 0.06 0.09 84.26 14:40:16 1 13.85 0.00 0.64 0.02 0.09 85.40 14:40:16 2 14.48 0.00 0.63 0.01 0.10 84.79 14:40:16 3 13.80 0.00 0.60 0.04 0.09 85.47 Average: all 20.69 0.00 0.88 0.04 0.09 78.30 Average: 0 20.60 0.00 0.88 0.04 0.09 78.39 Average: 1 20.81 0.00 0.89 0.04 0.09 78.18 Average: 2 20.87 0.00 0.89 0.03 0.10 78.11 Average: 3 20.47 0.00 0.87 0.05 0.09 78.52